Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 18, 06:00 PM EDT

For More Weather Information:

San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Tonight
Low: 79 °F
E 19kt
5ft

Small Craft Advisory
Wednesday
High: 81 °F
E 17kt
4ft

Small Craft Advisory
Wednesday Night
Low: 79 °F
E 15kt
4ft
Thursday
High: 81 °F
E 16kt
4ft
Thursday Night
Low: 79 °F
ESE 14kt
3ft
Friday
High: 81 °F
ESE 14kt
3ft
Friday Night
Low: 79 °F
SSE 11kt
3ft
Saturday
High: 81 °F
SSE 6kt⇓
2-3ft
Saturday Night
Low: 79 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:43 pm EDT Mar 17, 2026
Forecast Valid: 6pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind around 19 kt, with gusts as high as 26 kt. Scattered showers, mainly before 9pm. Seas around 5 ft.

Wednesday

E wind around 17 kt, with gusts as high as 23 kt. Scattered showers, mainly before 9am. Seas around 4 ft.

Wednesday Night

E wind around 15 kt, with gusts as high as 21 kt. Scattered showers, mainly between midnight and 3am. Seas around 4 ft.

Thursday

E wind 14 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 4 ft.

Thursday Night

ESE wind 12 to 14 kt. Scattered showers, mainly after midnight. Seas around 3 ft.

Friday

ESE wind 12 to 14 kt. Scattered showers. Seas around 3 ft.

Friday Night

SSE wind 6 to 11 kt. Partly cloudy. Seas around 3 ft.

Saturday

SSE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Scattered showers. Seas 2 to 3 ft.

Saturday Night

Variable winds 5 kt or less. Scattered showers. Seas around 2 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.