Saint Lucia Meteorological Services

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.

Date: 22nd September, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is partly cloudy.
Present weather at GFL Charles Airport is partly cloudy.
Present temperature at Hewanorra Airport is 30°C or 86°F.
Today’s maximum temperature at Hewanorra Airport was 33°C or 91°F.
Relative humidity at Hewanorra Airport is 70%.
Wind at Hewanorra Airport is blowing from the east at 17 mph or 28 km/h.
Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: nil At GFL Charles Airport: 4.4 mm
Total rainfall for the month of September so far:
At Hewanorra Airport: 36.3 mm At GFL Charles Airport: 32.3 mm

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

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east-northeast and east-southeast near 17 mph or 28 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 10:03 pm…High at 4:32 am.
Tides for Vieux Fort Bay: Low at 11:30 pm…High at 5:39 am.
Seas: Slight to moderate with waves 3 to 6 feet or 0.9 to 1.8 metres.

FORECAST FOR THE LESSER ANTILLES
Generally cloudy with scattered showers which may be heavy in some areas and isolated thunderstorms, mainly 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 is expected to produce increased cloudiness, scattered showers and isolated thunderstorms, as it moves over the region during the next 24 hours. This wave is moving westward near 18 mph or 30 km/h.

A second tropical wave located over the central Tropical Atlantic, is also moving westward near 18 mph or 30 km/h. Gradual development of this wave is possible and a tropical depression could form by Wednesday.

A third tropical wave located over the far eastern Tropical Atlantic, is moving slowly westward near 6 mph or 9 km/h.

12:00 noon Weather Report
Date: 22^nd September, 2025
Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is fair.
Present weather at GFL Charles Airport is fair.
Present temperature at Hewanorra Airport is 32°C or 90°F.
Last night’s minimum temperature at Hewanorra Airport was 28°C or 82°F.
Relative humidity at Hewanorra Airport is 62%.
Wind at Hewanorra Airport is blowing from the east at 18 mph or 30 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: trace      At GFL Charles Airport: 4.4 mm    

Total rainfall for the month of September so far:
At Hewanorra Airport: 36.3 mm    At GFL Charles Airport: 32.3 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: Fair to partly cloudy with a few showers at first. An increase in cloudiness, showers and a chance of isolated thunderstorms is expected from tonight into tomorrow.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 3:51 pm… Low at 10:03 pm.
Tides for Vieux Fort Bay:   High at 4:58 pm… Low at 11:30 pm.
Seas: 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 a few showers at first. An increase in cloudiness and showers with isolated thunderstorms is expected mainly over the Leeward and northern Windward Islands from tonight into tomorrow.

TROPICAL WEATHER OUTLOOK
An approaching tropical wave is expected to produce cloudiness, scattered showers and isolated thunderstorms, over the region during the forecast period.

A second tropical wave located over the central tropical Atlantic, is moving westward near 12 mph or 19 km/h. Gradual development of this wave is possible and a tropical depression could form by the middle to latter part of this week.

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

6:00 am Weather Report

Date: 22^nd September, 2025

Forecaster: Emmanuel Descartes

Present weather at Hewanorra Airport is partly cloudy.

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

Last night’s minimum temperature at Hewanorra Airport was 28°C or 82°F.
Relative humidity at Hewanorra Airport is 78%.

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

Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: 3.2 mm    

Total rainfall for the month of September so far:
At Hewanorra Airport: 36.3 mm   

Sunset today: 5:59 pm      Sunrise tomorrow: 5:33 am                     

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 14 mph or 22 km/h, becoming lighter at times.

Weather: Fair to partly cloudy with a few showers at first. An increase in cloudiness, showers and a chance of isolated thunderstorms is expected later tonight.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 09:39 am…High at 3:51 pm.

Tides for Vieux Fort Bay:   Low at 10:48 am…High at 4:42 pm.

Seas: 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 a few showers at first. An increase in cloudiness, showers and a chance of isolated thunderstorms is expected from tonight.

TROPICAL WEATHER OUTLOOK

An approaching tropical wave, is expected to produce an increase in cloudiness and shower activity, over the region during the forecast period.

Another tropical wave located over the central tropical Atlantic, is moving westward near 15 mph or 24 km/h.  Some slow development of this system is possible within the next 7 days.

At 5:00 am today hurricane Gabrielle continues to move away from our region.

6:00 pm Weather Report

Date: 21^st September, 2025

Forecaster: Vigil Saltibus

Present weather at Hewanorra Airport is fair.

Present weather at GFL Charles Airport is fair.

Present temperature at Hewanorra Airport is 30°C or 86°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 77%.

Wind at Hewanorra Airport is blowing from the east at 15 mph or 24 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 3.2 mm     At GFL Charles Airport: Trace

Total rainfall for the month of September so far:
At Hewanorra Airport: 36.3 mm    At GFL Charles Airport: 27.9 mm.

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

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 14 mph or 22 km/h, becoming lighter at times.

Weather: Generally fair and warm, with brief occasional showers. Cloudiness and showers are forecast to increase slowly beginning tomorrow afternoon.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 09:23 pm…High at 3:57 am…Low at 09:39 am

Tides for Vieux Fort Bay:   Low at 10:50 pm…High at 5:04 am…Low at 11:06 am

Seas: 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 a few showers tonight. An increase in cloudiness, showers and a chance of isolated thunderstorms is expected from tomorrow.

TROPICAL WEATHER OUTLOOK

An approaching tropical wave, is positioned a few hundred miles east of the Windward Islands. Although this system has a very low probability of further development, it is forecast to impact the Lesser Antilles beginning Monday night and continuing into Tuesday, with an increase in periods of scattered showers and isolated thunderstorms.

Another tropical wave located over the eastern Tropical Atlantic, is also moving westward near 15 mph or 24 km/h.  Some slow development of this system is possible within the next 7 days. At 5:00 pm today Gabrielle developed into a hurricane as it continues to move away from our region.