Saint Lucia Meteorological Services

Date: 13^th August, 2025

Forecaster: Webster Gajadhar

Present weather at Hewanorra Airport is partly 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 26°C or 79°F.
Relative humidity at Hewanorra Airport is 66%.

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

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 2.4 mm.       At GFL Charles Airport: nil.

Total rainfall for the month of August thus far:
At Hewanorra Airport: 47.3 mm.      At GFL Charles Airport: 22.3 mm.

Sunset today: 6:26 pm.              Sunrise tomorrow: 5:50 am.   

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east-northeast and east near 18 mph or 30 km/h.
Weather: Partly cloudy becoming cloudy at times, with some scattered showers and a chance of isolated thunderstorms this evening.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 12:04 pm…High at 6:33 pm.    
Tides for Vieux Fort Bay: Low at 1:31 pm…High at 7:40 pm.

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

FORECAST FOR THE LESSER ANTILLES
Partly cloudy becoming cloudy at times, with some scattered showers and a chance of isolated thunderstorms over the Windward Islands and areas further south. Over the Leeward Islands, fair to partly cloudy with a few showers.

TROPICAL WEATHER OUTLOOK

A low-level trough will cause periods of cloudiness, showers and possibly isolated thunderstorms over the southern half of the Lesser Antilles, during the next 24 hours. Low-level clouds moving with the wind flow, will cause a few showers over the northern portion of the region, during the forecast period.

At 11:00 am today, the center of Tropical Storm Erin was located near latitude 16.3 North, longitude 43.4 West or about 1156 miles or 1860 km east-northeast of St. Lucia. Erin is moving toward the west near 17 mph or 28 km/h. This general motion is expected into Thursday, with a west-northwestward motion beginning Thursday night and continuing into the weekend. On the forecast track, the center of Erin is likely to move near or just north of the northern Leeward Islands over the weekend. Maximum sustained winds are near 45 mph or 75 km/h with higher gusts. Gradual strengthening is forecast to begin later today or tonight, and Erin is expected to become a hurricane by Friday.

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

Date: 13^th August, 2025

Forecaster: Lucious Frederick

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 77%.

Wind at Hewanorra Airport is blowing from the east at 16 mph or 26 km/h.

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

Total rainfall for the month of August thus far:
At Hewanorra Airport: 44.9 mm 

Sunset today: 6:26 pm.       Sunrise tomorrow: 5:50 am.      

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from East-northeast near 14 mph or 22 km/h.
Weather: Partly cloudy 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 6:26 am. Low at 12:04 pm.   
Tides for Vieux Fort Bay:   High at 7:33 am.  Low at 1:31 pm.                    
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy skies, becoming cloudy at times with a few showers.

TROPICAL WEATHER OUTLOOK

The Atlantic High-Pressure System will generate light to moderate, easterly to northeasterly winds over the region during the next couple of days. Patches of clouds moving with the wind will cause a few showers over the region during the next 24 hours.

At 500 AM today, the center of Tropical Storm Erin was located near latitude 16.5 North, longitude 41.9 West or about 1256 miles East Northeast of St. Lucia. Erin is moving toward the west near 20 mph (31 km/h). This general motion is expected into Thursday, with a west-northwestward motion beginning Thursday night and continuing into the weekend.

On the forecast track, the center of Erin is likely to move near or just north of the northern Leeward Islands over the weekend.

Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Gradual strengthening is forecast to begin today, and Erin will likely become a hurricane by late Thursday or early Friday.

6:00 pm Weather Report
Date: 12^th August, 2025
Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is fair and hazy.
Present weather at GFL Charles Airport is partly cloudy and hazy.
Present temperature at Hewanorra Airport is 29°C or 84°F.
Today’s maximum temperature at Hewanorra Airport was 31°C or 88°F.
Relative humidity at Hewanorra Airport is 78%.
Wind at Hewanorra Airport is blowing from the east at 16 mph or 26 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm:
At Hewanorra Airport: 1.7 mm     At GFL Charles Airport: 0.7 mm

Total rainfall for the month of August thus far:
At Hewanorra Airport: 44.9 mm    At GFL Charles Airport: 22.3 mm

Sunrise tomorrow: 5:50 am.       Sunset tomorrow: 6:27 pm.       

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from northeast near 18 mph or 30 km/h.
Weather: Fair and hazy, becoming cloudy at times with a few showers.

Persons with respiratory ailments and dust allergies are advised to take the necessary precautions, due to reduced air quality.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at present… Low at 11:58 pm… High at 6:26 am.   
Tides for Vieux Fort Bay:   High at 7:05 pm… Low at 01:25 am… High at 7:33 am.                     
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Fair and hazy, becoming cloudy at times with a few showers.

TROPICAL WEATHER OUTLOOK
The Atlantic High-Pressure System will generate light to moderate, easterly to northeasterly winds over the region during the next couple of days. Patches of clouds moving with the wind will cause a few showers over the region during the next 24 hours.

A plume of Saharan dust haze will continue to reduce visibility and air quality over the region during the forecast period.

At 5:00 pm today, the centre of Tropical Storm Erin was located near latitude 17.0 North, longitude 38.3 West or about 1496 miles east-northeast of Saint Lucia. Maximum sustained winds are near 45 mph or 75 km/h with higher gusts. Erin is moving towards the west near at 22 mph or 35 km/h and will likely become a hurricane by late Thursday. On the forecast track, the centre of Erin is expected to pass near the northern Leeward Islands over the weekend. Residents in the northern Leeward Islands should monitor the progress of Erin.

12:00 noon Weather Report

Date: 12^th August, 2025

Forecaster: Vigil Saltibus

Present weather at Hewanorra Airport is fair and hazy.

Present weather at GFL Charles Airport is cloudy and hazy.

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

Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 71%.

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

Rainfall in the 24-hour period that ended at 8:00 am:
At Hewanorra Airport: 2.1 mm     At GFL Charles Airport: 3.2 mm

Total rainfall for the month of August thus far:
At Hewanorra Airport: 44.9 mm    At GFL Charles Airport: 22.3 mm

Sunset today: 6:27 pm.     Sunrise tomorrow: 5:50 am.     

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-northeast near 18 mph or 30 km/h.
Weather: Fair and hazy, becoming cloudy at times with a few brief showers.

Persons with respiratory ailments and dust allergies are advised to take the necessary precautions, due to reduced air quality.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 5:58 pm…Low at 11:58 pm.   
Tides for Vieux Fort Bay:   Low at 12:59 pm…High at 7:05 pm.                 
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

Small craft operators are advised to exercise caution due to reduced visibility.

FORECAST FOR THE LESSER ANTILLES
Fair and hazy, becoming cloudy at times with a few light showers.

TROPICAL WEATHER OUTLOOK

Light to moderate easterly winds from the Atlantic High-Pressure System will bring a few showers to the Eastern Caribbean over the next couple of days.

Visibility and air quality in the region will be reduced over the next few days due to Saharan dust haze.

At 11:00 am today, Tropical Storm Erin was located about latitude 17.2 North, longitude 36.3 West over the far eastern Tropical Atlantic or about 1663 miles east-northeast of Saint Lucia. Erin has maximum sustained winds of 45 mph and is moving west at 23 mph. On Erin’s current track, residents in the northern Leeward Islands should monitor the progress of system, as it could become a hurricane later this week.

Date: 12th August, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is fair with thick haze.
Present temperature at Hewanorra Airport is 28°C or 82°F.
Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 79%.
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 8:00 pm last night:
At Hewanorra Airport: 2.1 mm.
Total rainfall for the month of August thus far:
At Hewanorra Airport: 44.9 mm.

Sunset tomorrow: 6:27 pm. Sunrise tomorrow: 5:50 am.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-northeast near 18 mph or 30 km/h.
Weather: Fair and hazy, becoming cloudy at times with a few brief showers.
Persons with respiratory ailments and dust allergies are advised to take the necessary precautions, due to reduced air quality.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 11:32 am…High at 5:58 pm.
Tides for Vieux Fort Bay: High at 6:41 am…Low at 12:59 pm.
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

Small craft operators are advised to exercise caution due to reduced visibility.

FORECAST FOR THE LESSER ANTILLES
Fair and hazy, becoming cloudy at times with a few light showers.

TROPICAL WEATHER OUTLOOK
The Atlantic High-Pressure System will maintain light to moderate easterly winds across the Eastern Caribbean, over the next couple of days. Low level clouds drifting with the wind flow, will cause a few showers across the islands during the forecast period.
A plume of Saharan dust haze is expected to cause a reduction in visibility and air quality across the region during the next few days.

At 5:00 am today, the center of Tropical Storm Erin was located near latitude 17.4 North, longitude 34.3 West or about 1762 miles east-northeast of Saint Lucia. Maximum sustained winds are near 45 mph or 75 km/h, with higher gusts. Gradual strengthening is forecast and Erin could become a hurricane later this week. Erin is moving toward the west near 22 mph or 35 km/h, and this motion is expected to continue for the next several days.

Date: 11th August, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is fair.
Present weather at GFL Charles Airport is partly cloudy.
Present temperature at Hewanorra Airport is 29°C or 84°F.
Today’s maximum temperature at Hewanorra Airport was 31°C or 88°F.
Relative humidity at Hewanorra Airport is 78%.
Wind at Hewanorra Airport is blowing from the east at 20 mph or 31 km/h.
Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 28.4 mm. At GFL Charles Airport: 3.6 mm.
Total rainfall for the month of August thus far:
At Hewanorra Airport: 43.2 mm. At GFL Charles Airport: 21.6 mm.

Sunrise tomorrow: 5:50 am. Sunset tomorrow: 6:27 pm.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-northeast near 20 mph or 31 km/h.
Weather: Fair and hazy, becoming cloudy at times with a few showers.
Persons with respiratory ailments and dust allergies are advised to take the necessary precautions, due to reduced air quality.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 11:02 pm…High at 5:34 am.
Tides for Vieux Fort Bay: High at 6:34 pm…Low at 12:29 am.
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Fair and hazy, becoming cloudy at times with a few light showers.

TROPICAL WEATHER OUTLOOK
The Atlantic High-Pressure System will maintain moderate easterly winds across the Eastern Caribbean, over the next couple of days. Low level clouds drifting with the wind flow, may cause a few showers across the islands during the forecast period.
A plume of Saharan dust haze is expected to cause a reduction in visibility and air quality across the region during the next few days.

At 5:00 pm today, the center of Tropical Storm Erin was located near latitude 17.4 North, longitude 30.3 West or about 2024 miles east-northeast of Saint Lucia. Maximum sustained winds are near 45 mph or 75 km/h, with higher gusts. Gradual strengthening is forecast and Erin could become a hurricane later this week. Erin is moving toward the west near 21 mph or 33 km/h, and this motion is expected to continue for the next several days.

12:00 noon Weather Report

Date: 11^th August, 2025

Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is partly cloudy with showers nearby.

Present weather at GFL Charles Airport is cloudy with showers.

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

Last night’s minimum temperature at Hewanorra Airport was 25°C or 77°F.
Relative humidity at Hewanorra Airport is 74%.

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 8:00 am today:
At Hewanorra Airport: 30.5 mm.     At GFL Charles Airport: 1.1 mm.

Total rainfall for the month of August thus far:
At Hewanorra Airport: 42.8 mm.     At GFL Charles Airport: 19.1 mm.

Sunset today: 6:27 pm.             Sunrise tomorrow: 5:50 am.         

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from the east near 20 mph or 31 km/h.
Weather: Partly cloudy skies becoming cloudy at times with some light to moderate 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 5:27 pm… Low at 11:02 pm.   
Tides for Vieux Fort Bay:   Low at 12:28 pm… High at 6:34 pm.                  
Seas: Slight to moderate with waves 2 to 5 feet or 0.6 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy skies with some light to moderate showers and a chance of isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

A weak tropical wave will cause occasional cloudiness, scattered showers and isolated thunderstorms over the Lesser Antilles today.

At 11:00 am today, the center of Tropical Storm Erin was located near latitude 17.4 North, longitude 28.0 West or about 3080 miles east northeast of Saint Lucia. Maximum sustained winds are near 45 mph or 75 km/h with higher gusts. Erin is moving toward the west near 20 mph or 31 km/h, and this motion is expected to continue for the next several days.

A plume of Saharan dust haze is expected to cause a reduction in visibility and air quality across the region during the next few days.

Date: 11^th August, 2025

Forecaster: Lucious Frederick

Present weather at Hewanorra Airport is Fair.

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 79%.

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

Rainfall in the 24-hour period that ended at 8:00 pm last night:
At Hewanorra Airport: 32.4 mm     

Total rainfall for the month of August thus far:
At Hewanorra Airport: 42.8 mm    

Sunset today: 6:27 pm   Sunrise tomorrow: 5:50 am          

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 becoming light or calm at times.
Weather: Cloudy skies with some light to moderate 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 11:01 am…High at 5:27 pm   
Tides for Vieux Fort Bay:   High at present, Low at 12:28 pm. Next high: 6:34 pm.                  
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Cloudy skies with some light to moderate showers and a chance of isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

A weak tropical wave will cause some showers and isolated thunderstorms over the Lesser Antilles today.

A second tropical wave located over the far eastern Tropical Atlantic, is associated with a broad area of low pressure. Gradual development of this system is expected and a tropical depression could form during the next seven (7) days, while it moves west-northwestward near 12 mph or 19 km/h.

6:00 pm Weather Report

Date: 10^th August, 2025

Forecaster: Vigil Saltibus

Present weather at Hewanorra Airport is cloudy.

Present weather at GFL Charles Airport is partly cloudy.

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

Today’s maximum temperature at Hewanorra Airport was 31°C or 88°F.
Relative humidity at Hewanorra Airport is 80%.

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

Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: 4.4 mm      At GFL Charles Airport: 3.5 mm

Total rainfall for the month of August thus far:
At Hewanorra Airport: 14.8 mm     At GFL Charles Airport: 18.0 mm

Sunrise tomorrow: 5:50 am        Sunset tomorrow: 6:27 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 becoming light or calm at times.
Weather: Cloudy tonight with scattered showers and a chance of isolated thunderstorms. Conditions will gradually improve overnight becoming, fair with occasional cloudiness and showers, and a chance of isolated thunderstorms by tomorrow.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 10:09 pm…High at 4:46 am   
Tides for Vieux Fort Bay:   Low at 11:36 pm…High at 5:53 am                  
Seas: Slight to moderate with waves 3 to 6 feet or 0.9 to 1.8 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy at times with scattered showers and isolated thunderstorms over the southern Windward Islands and areas further south. Elsewhere, fair to partly cloudy skies, with a few showers.

TROPICAL WEATHER OUTLOOK

The Inter-Tropical Convergence Zone is active over the southern portion of the Lesser Antilles. Low-level clouds drifting with the wind flow, will produce a few showers over the remainder of the region, during the next 24 hours.

A tropical wave located over the western Tropical Atlantic is moving westward near 15 mph or 24 km/h. This wave is expected to affect the region by tomorrow.

A second tropical wave located over the far eastern Tropical Atlantic, is associated with a broad area of low pressure. Gradual development of this system is expected and a tropical depression could form during the next seven (7)days, while it moves west-northwestward near 12 mph or 19 km/h.

Date: 10th August, 2025
Forecaster: Maclean Jn Baptiste

Present weather at Hewanorra Airport is cloudy with light showers.
Present weather at GFL Charles Airport is cloudy.
Present temperature at Hewanorra Airport is 28°C or 82°F.
Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 86%.
Wind at Hewanorra Airport is blowing from the east-southeast at 13 mph or 20 km/h.
Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 1.9 mm At GFL Charles Airport: 3.5 mm
Total rainfall for the month of August thus far:
At Hewanorra Airport: 12.3 mm At GFL Charles Airport: 18.0 mm

Sunset today: 6:28 pm Sunrise tomorrow: 5:50 am

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 18 mph or 30 km/h.
Weather: Partly cloudy skies, occasionally becoming cloudy with some light to moderate showers and a chance of thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 4:57 pm…Low at 10:09 pm.
Tides for Vieux Fort Bay: High at 6:04 pm…Low at 11:36 pm.
Seas: Slight to moderate with waves 2 to 5 feet or 0.6 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy to cloudy at times with scattered showers and isolated thunderstorms over the southern Windward Islands and areas further south. Elsewhere, fair to partly cloudy skies, with a few showers.

TROPICAL WEATHER OUTLOOK
The Inter-Tropical Convergence Zone is active over the southern portion of the Lesser Antilles. Low-level clouds drifting with the wind flow, will produce a few showers over the remainder of the region, during the next 24 hours.
A tropical wave located over the western Tropical Atlantic is moving westward near 15 mph or 24 km/h. This wave is expected to affect the region by tomorrow.
A second tropical wave located over the far eastern Tropical Atlantic, is associated with a broad area of low pressure. Gradual development of this system is expected and a tropical depression could form by the middle to latter portion of the week, while it moves west-northwestward near 12 mph or 19 km/h.