Author: Saint Lucia Met Office

Date: 26^th September, 2025

Forecaster: Webster Gajadhar

Present weather at Hewanorra Airport is partly cloudy.

Present temperature at Hewanorra Airport is 26°C or 79°F.

Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 85%.

Wind at Hewanorra Airport is blowing from the east-northeast at 6 mph or 9 km/h.

Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: nil.

Total rainfall for the month of September so far:
At Hewanorra Airport: 66.4 mm.

Sunset today: 5:56 pm.                          Sunrise tomorrow: 5:53 am.             

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the southeast and east-southeast near 12 mph or 19 km/h, becoming lighter and variable or calm at times.

Weather: Fair and warm, becoming cloudy at times with a few showers and a chance of isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 6:23 am…Low at 11:17 am.

Tides for Vieux Fort Bay:   High at 7:30 am…Low at 12:44 pm.

Seas: Slight with waves 2 to 4 feet or 0.6 to 1.2 metres.

FORECAST FOR THE LESSER ANTILLES
Fair to occasionally cloudy skies, with a few showers and a chance of isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Unstable conditions together with light winds and high daytime temperatures, will cause occasional cloudiness with a few showers and possibly isolated thunderstorms over the Lesser Antilles, during the forecast period.

An area of low pressure is expected to develop from a tropical wave located in the vicinity of the Greater Antilles today. This system is likely to become a tropical depression as it moves near or over the Bahamas within the next couple of days.

…HUMBERTO BECOMES A HURRICANE…At 5:00 am today, the eye of Hurricane Humberto was located near Latitude 22.2 degrees north…longitude 57.3 degrees west or about 639 miles or 1028 kilometres north-northeast of Saint Lucia. Humberto is moving toward the northwest near 3 mph or 6 km/h. Maximum sustained winds have increased to near 75 mph or 120 km/h with higher gusts. Significant strengthening is forecast, and Humberto is expected to become a major hurricane this weekend. On the forecast track, Humberto is not expected to affect the Lesser Antilles.

Two tropical waves located over the western and far eastern Tropical Atlantic, are moving westward near 10 mph or 17 km/h.

Date: 25^th September, 2025

Forecaster: Webster Gajadhar

Present weather at Hewanorra Airport is partly cloudy.

Present weather at GFL Charles Airport is fair.

Present temperature at Hewanorra Airport is 29°C or 84°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 79%.

Wind at Hewanorra Airport is blowing from the southeast at 9 mph or 15 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: nil.          At GFL Charles Airport: trace.  

Total rainfall for the month of September so far:
At Hewanorra Airport: 66.4 mm.      At GFL Charles Airport: 56.9 mm.  

Sunrise tomorrow: 5:53 am.          Sunset tomorrow: 5:56 pm.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from the southeast near 12 mph or 19 km/h, becoming lighter and variable or calm at times.

Weather: Fair skies becoming cloudy at times, with a few showers and a chance of isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at present…Low at 12:02 am…High at 6:23 am.

Tides for Vieux Fort Bay:   High at 6:17 pm…Low at 01:29 am…High at 7:30 am.

Seas: Slight with waves 2 to 4 feet or 0.6 to 1.2 metres.

FORECAST FOR THE LESSER ANTILLES
Fair to occasionally cloudy skies, with a few showers and isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Moist and unstable conditions will cause occasional cloudiness with a few showers and isolated thunderstorms over the Lesser Antilles, during the forecast period.

An area of low pressure is expected to develop from a tropical wave located in the vicinity of the Greater Antilles. This system is likely to become a tropical depression as it moves near or over the Bahamas within the next couple of days.

At 5:00 pm today, the centre of Tropical Storm Humberto was located near Latitude 21.9 degrees north…longitude 57.0 degrees west or about 626 miles or 1008 kilometres north-northeast of Saint Lucia. Humberto is moving toward the northwest near 6 mph or 9 km/h. Maximum sustained winds are near 60 mph or 95 km/h with higher gusts. Humberto is expected to become a hurricane on Friday and a major hurricane this weekend. This system is not expected to affect the Lesser Antilles.

Two tropical waves located over the central and far eastern Tropical Atlantic, are moving westward near 12 mph or 19 km/h.

12:00 Noon Weather Report

Date: 25^th September, 2025

Forecaster: Venantius Descartes

Present weather at Hewanorra Airport is cloudy.

Present weather at GFL Charles Airport is partly cloudy.

Present temperature at Hewanorra Airport is 31°C or 88°F.

Last night’s minimum temperature at Hewanorra Airport was 27°C or 81°F.
Relative humidity at Hewanorra Airport is 75%.

Wind at Hewanorra Airport is blowing from the east at 7 mph or 11 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 4.9 mm.   At GFL Charles Airport: nil.  

Total rainfall for the month of September so far:
At Hewanorra Airport: 66.4 mm.   At GFL Charles Airport: 56.9 mm.  

Sunset today: 5:57 pm.          Sunrise tomorrow: 5:53 am.             

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and southeast near 12 mph or 19 km/h, becoming lighter at times.

Weather: Fair skies, becoming cloudy at times with a few showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 5:10 pm… Low at 12:02 am.

Tides for Vieux Fort Bay:   Low at 12:21 pm… High at 6:17 pm.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Occasionally cloudy skies with widely scattered showers and isolated thunderstorms over the northern Windward and Leeward Islands. Elsewhere, fair to partly cloudy with a few showers.

TROPICAL WEATHER OUTLOOK

An area of low pressure is expected to develop from a tropical wave located in the vicinity of the Greater Antilles. This system is likely to become a tropical depression within the next couple of days.

At 11:00 am today, the centre of Tropical storm Humberto was located near Latitude 21.4 degrees north…longitude 56.8 degrees west or about 600 miles or 965 kilometres northeast of Saint Lucia. Humberto is moving toward the northwest near 8 mph or 13 km/h. Maximum sustained winds are near 50 mph or 85 km/h with higher gusts. Humberto is expected to become a hurricane in a day or so and a major hurricane this weekend. Tropical storm Humberto is not expected to affect the Lesser Antilles.

A tropical wave located over the central Tropical Atlantic, is moving westward near 15 mph or 24 km/h.

6:00 am Weather Report

Date: 25^th September, 2025

Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is fair.

Present temperature at Hewanorra Airport is 27°C or 81°F.

Last night’s minimum temperature at Hewanorra Airport was 27°C or 81°F.
Relative humidity at Hewanorra Airport is 82%.

Wind at Hewanorra Airport is calm.

Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: 4.9 mm.     

Total rainfall for the month of September so far:
At Hewanorra Airport: 66.4 mm.     

Sunset today: 5:57 pm.          Sunrise tomorrow: 5:53 am.             

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from the southeast near 15 mph or 24 km/h, becoming lighter at times.

Weather: Fair skies, becoming cloudy at times with a few showers and a chance of

         isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 10:54 am… High at 5:10 pm.

Tides for Vieux Fort Bay:   High at 6:51 am… Low at 12:21 pm.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Fair skies, occasionally becoming cloudy with widely scattered showers and isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Light winds coupled with a moist lower atmosphere over the region, is expected to cause occasional cloudiness with scattered showers and isolated thunderstorms to develop over portions of the Lesser Antilles during the forecast period.

…HUMBERTO FORECAST TO STRENGTHEN IN THE COMING DAYS…

At 5:00 am today, the centre of Tropical storm Humberto was located near Latitude 21.2 degrees north…longitude 56.4 degrees west or about 598 miles or 963 kilometres northeast of Saint Lucia. Humberto is moving toward the northwest near 10 mph or 17 km/h. Maximum sustained winds are near 45 mph or 75 km/h with higher gusts. Tropical storm Humberto is not expected to affect the Lesser Antilles.

A tropical wave located over the central Tropical Atlantic, is moving westward near 15 mph or 24 km/h.

6:00 PM Weather Report

Date: 24^th September, 2025

Forecaster: Emmanuel Descartes

Present weather at Hewanorra Airport is fair.

Present weather at GFL Charles Airport is fair.

Present temperature at Hewanorra Airport is 29°C or 84°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 79%.

Wind at Hewanorra Airport is blowing from the east-southeast at 12 mph or 19 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 4.9 mm.      At GFL Charles Airport: 24.6 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 66.4 mm.      At GFL Charles Airport: 56.9 mm.

Sunrise tomorrow: 5:53 am.              Sunset tomorrow: 5:57 pm.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and southeast near 15 mph or 24 km/h, becoming lighter at times.

Weather: Fair skies, becoming cloudy at times with a few showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 11:21 pm…High at 5:44 am.

Tides for Vieux Fort Bay:   High at present…Low at 12:48 am.

Seas: Moderate with waves 4 to 6 feet or 1.2 to 1.8 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy skies with scattered showers and isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Lingering moisture and instability in the wake of a tropical wave, will continue to produce occasional cloudiness, scattered showers and isolated thunderstorms over parts of the Lesser Antilles, during the next 24 hours.

…Tropical Storm Humberto forms in the Central tropical Atlantic….

At 5:00 pm today, the centre of Tropical storm Humberto was located near Latitude 20.1 degrees north…longitude 54.9 degrees west or about 550 miles or 885 kilometres east northeast of the northern Leeward Islands. Humberto is moving toward the west northwest near 15 mph or 24 km/h. A west northwest to northwestward motion is expected over the next several days.

Maximum sustained winds are near 40 mph or 65 km/h with higher gusts. This system is not expected to pose direct threat to St Lucia.

A second tropical wave located over the central Tropical Atlantic, is moving westward near 20 mph or 31 km/h.

Date: 24^th September, 2025

Forecaster: Webster Gajadhar

Present weather at Hewanorra Airport is cloudy with thunderstorms.

Present weather at GFL Charles Airport is cloudy.

Present temperature at Hewanorra Airport is 32°C or 90°F.

Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 69%.

Wind at Hewanorra Airport is blowing from the east-southeast at 17 mph or 28 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 20.2 mm.      At GFL Charles Airport: 24.6 mm.

Total rainfall for the month of September so far:
At Hewanorra Airport: 61.5 mm.      At GFL Charles Airport: 56.9 mm.

Sunset today: 5:58 pm.              Sunrise tomorrow: 5:53 am.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and southeast near 15 mph or 24 km/h, becoming lighter at times.

Weather: Partly cloudy to cloudy at times with scattered showers, some of which may be heavy, and isolated thunderstorms.

Residents and motorists in areas prone to flooding and landslides are advised to exercise caution and be vigilant.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 4:40 pm…Low at 11:21 pm.

Tides for Vieux Fort Bay:   High at 5:47 pm…Low at 12:48 am.

Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy skies with scattered showers, which may be heavy in some areas, and isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Lingering moisture and instability in the wake of a tropical wave, will continue to produce occasional cloudiness, scattered showers and isolated thunderstorms over the Lesser Antilles, during the next 24 hours.

A second tropical wave, located about 670 miles or 1078 kilometres east of Saint Lucia, is moving westward near 15 mph or 24 km/h. A low-pressure system located on the northern portion of this wave, could develop into a tropical depression later today or Thursday. This system is expected to pass well north of the Leeward Islands, during the next couple of days.

A third tropical wave located over the central Tropical Atlantic, is moving westward near 20 mph or 31 km/h.

6:00 am Weather Report

Date: 24^th September, 2025

Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is partly cloudy.

Present temperature at Hewanorra Airport is 27°C or 81°F.

Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 87%.

Wind at Hewanorra Airport is blowing from the east southeast at 14 mph or 22 km/h.

Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: 24.9 mm        

Total rainfall for the month of September so far:
At Hewanorra Airport: 61.5 mm

Sunset today: 5:58 pm           Sunrise tomorrow: 5:53 am                                    

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and southeast near 15 mph or 24 km/h, becoming lighter at times.

Weather: Partly cloudy to cloudy at times with scattered showers, a few of which may be heavy and a chance of isolated thunderstorms mainly during the afternoon.

Residents and motorists in areas prone to flooding and landslides are advised to exercise caution and be vigilant.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 10:30 am… High at 4:40 pm.

Tides for Vieux Fort Bay:   High at 6:15 am… Low at 11:57 am.

Seas: Moderate with waves 4 to 6 feet or 1.2 to 1.8 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy skies, with scattered showers which may be heavy in some areas and a chance of isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Lingering moisture and instability in the wake of a tropical wave will produce occasional cloudiness, scattered showers and isolated thunderstorms, over the region during the next 24 hours.

A second tropical wave, located about 700 miles or 1126 kilometres east of St. Lucia, is moving west northwestward near 15 mph or 24 km/h. Gradual development of this wave is possible and a tropical depression could form by tomorrow or Friday.

A third tropical wave located over the eastern Tropical Atlantic, is moving westward near 12 mph or 19 km/h.

6:00 pm Weather Report

Date: 23^rd September, 2025

Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is cloudy.

Present weather at Hewanorra Airport is cloudy and hazy.

Present temperature at Hewanorra Airport is 28°C or 82°F.

Today’s maximum temperature at Hewanorra Airport was 28°C or 82°F.
Relative humidity at Hewanorra Airport is 85%.

Wind at Hewanorra Airport is blowing from the east southeast at 21 mph or 33 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 25.2 mm    At GFL Charles Airport: 24.4 mm      

Total rainfall for the month of September so far:
At Hewanorra Airport: 61.5 mm    At GFL Charles Airport: 56.7 mm

Sunrise tomorrow: 5:53 am        Sunset tomorrow: 5:58 pm                       

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and southeast near 15 mph or 24 km/h, becoming lighter at times.

Weather: Generally cloudy to overcast with scattered showers, some of which may be heavy and isolated thunderstorms.

Residents and motorists in areas prone to flooding and landslides are advised to exercise caution and be vigilant.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 10:42 pm… High at 5:08 am.

Tides for Vieux Fort Bay:   Low at 12:09 am… High at 6:15 am.

Seas: Moderate with waves 4 to 6 feet or 1.2 to 1.8 metres.

FORECAST FOR THE LESSER ANTILLES
Generally cloudy with scattered showers which may be heavy in some areas and isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

A strong tropical wave will continue to produce cloudiness, scattered showers and isolated thunderstorms, as it moves over the region during the next 24 hours. Gradual development of this wave is possible over the next few days, as it moves west northwestward near 17 mph or 28 km/h.

A second tropical wave, located about 900 miles or 1448 kilometres east of St. Lucia, is moving west northwestward near 17 mph or 28 km/h. Gradual development of this wave is possible and a tropical depression could form by Thursday or Friday.

A third tropical wave located over the eastern Tropical Atlantic, is moving westward near 12 mph or 19 km/h.

12:00 Noon Weather Report

Date: 23^rd September, 2025

Forecaster: Emmanuel Descartes

Present weather at Hewanorra Airport is partly cloudy.

Present weather at Hewanorra Airport is cloudy with rain.

Present temperature at Hewanorra Airport is 26°C or 79°F.

Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 94%.

Wind at Hewanorra Airport is blowing from the east northeast at 12 mph or 19 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 5.0 mm.    At GFL Charles Airport: nil.         

Total rainfall for the month of September so far:
At Hewanorra Airport: 41.3 mm    At GFL Charles Airport: 36.3 mm.

Sunset today: 5:59 pm          Sunrise tomorrow: 5:53 am            

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 15 mph or 24 km/h.

Weather: Generally cloudy to overcast with scattered showers, some of which may be heavy and isolated thunderstorms.

Residents and motorists in areas prone to flooding and landslides are advised to exercise caution and be vigilant.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 4:14 pm…Low at 10:42 pm.

Tides for Vieux Fort Bay:   High at 5:21 pm…Low at 12:09 am.

Seas: Moderate with waves 4 to 6 feet or 1.2 to 1.8 metres.

FORECAST FOR THE LESSER ANTILLES
Generally cloudy with scattered showers which may be heavy in some areas and isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

A strong tropical wave will continue to produce cloudiness, scattered showers and isolated thunderstorms, as it moves over the region during the next 24 hours. Gradual development of this wave is possible as it moves west northwestward near 21 mph or 33 km/h, over the next few days.

A second tropical wave located a little less than 1000 miles or 1609 kilometres east of St Lucia, is moving west northwestward near 21 mph or 33 km/h. Gradual development of this wave is possible and a tropical depression could form by Thursday or Friday.

A third tropical wave located over the far eastern Tropical Atlantic, is moving westward near 9 mph or 15 km/h.

Date: 23rd September, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is partly cloudy with showers nearby.
Present temperature at Hewanorra Airport is 28°C or 82°F.
Last night’s minimum temperature at Hewanorra Airport was 27°C or 81°F.
Relative humidity at Hewanorra Airport is 79%.
Wind at Hewanorra Airport is blowing from the southeast at 9 mph or 15 km/h.
Rainfall in the 24-hour period that ended at 8:00 pm last night:
At Hewanorra Airport: 0.3 mm.
Total rainfall for the month of September so far:
At Hewanorra Airport: 36.6 mm

Sunset today: 5:59 pm Sunrise tomorrow: 5:53 am

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 16 mph or 26 km/h.
Weather: Partly cloudy to cloudy at times, with scattered showers and a chance of isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 10:04 am…High at 4:14 pm.
Tides for Vieux Fort Bay: Low at 11:31 am…High at 5:21 pm.
Seas: Moderate with waves 4 to 6 feet or 1.2 to 1.8 metres.

FORECAST FOR THE LESSER ANTILLES
Generally cloudy with scattered showers which may be heavy in some areas and isolated thunderstorms, over the Leeward and northern Windward Islands. Further south, partly cloudy to cloudy at times, with scattered showers and a chance of isolated thunderstorms.

TROPICAL WEATHER OUTLOOK
A strong tropical wave will continue to produce cloudiness, scattered showers and isolated thunderstorms, as it moves over the region during the next 24 hours. Gradual development of this wave is possible as it moves westward near 21 mph or 33 km/h, over the next few days.

A second tropical wave located about 1000 miles or 1609 kilometres east of St Lucia, is also moving westward near 21 mph or 33 km/h. Gradual development of this wave is possible and a tropical depression could form by Thursday or Friday.

A third tropical wave located over the far eastern Tropical Atlantic, is moving westward near 9 mph or 15 km/h.