6:00 pm weather report for 18th May 2026

6:00 PM Weather Report

Date: 18th May, 2026

Forecaster: Emmanuel Descartes

Present weather at Hewanorra Airport is partly cloudy and hazy.

Present weather at GFL Charles Airport is partly cloudy and hazy.

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

Today’s maximum temperature at Hewanorra Airport was 30°C or 86°F.

Relative humidity at Hewanorra Airport is 73%.

Wind at Hewanorra Airport is blowing from the east at 24 mph or 39 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:

At Hewanorra Airport: 19.5 mm.    At GFL Charles Airport: 5.8 mm.  

Total rainfall for the month of May so far:

At Hewanorra Airport: 44.2 mm.    At GFL Charles Airport: 16.4 mm. 

Sunrise tomorrow: 5:36 am                  Sunset tomorrow: 6:24 pm             

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS

Winds will be blowing from the east near 23 mph or 37 km/h.

Weather: Partly cloudy skies, becoming cloudy at times, with some light to moderate showers.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA

Tides for Castries Harbour: High at Present… Low at 10:04 pm.

Tides for Vieux Fort Bay:   High at 07:03 pm… Low at 11:31 pm.

Seas: Locally rough with waves and easterly swells 6 to 9 feet or 1.8

      to 2.7 metres.

Small craft operators and sea bathers should exercise caution due to locally rough seas.

FORECAST FOR THE LESSER ANTILLES

Partly cloudy skies, becoming cloudy at times, with some light to moderate showers.

TROPICAL WEATHER OUTLOOK

The Atlantic High-Pressure System will maintain moderate to brisk easterly winds and locally rough seas over and around the region, during the next few days.

Weak unstable conditions associated with a mid to upper-level trough will cause some showers to develop over the region, during the next 24 hours.

A tropical wave located a few hundred miles east of the Southern Windward Islands is moving westward near 12 mph or 19 km/h.

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

Tropical cyclone formation is not expected over the tropical Atlantic during the next 7 days.