Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

16NM SSE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Today
High: 85 °F
SSE 8kt
4ft
Tonight
Low: 83 °F
ESE 9kt
3-4ft
Sunday
High: 85 °F
ESE 11kt
3ft
Sunday Night
Low: 83 °F
E 11kt
2ft
Monday
High: 85 °F
E 12kt
2ft
Monday Night
Low: 83 °F
E 15kt
2-3ft
Tuesday
High: 85 °F
E 12kt
3ft
Tuesday Night
Low: 83 °F
E 18kt
3ft
Wednesday
High: 85 °F
ESE 14kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:06 am EDT Sep 20, 2025
Forecast Valid: 7am EDT Sep 20, 2025-6pm EDT Sep 26, 2025

View Nearby Observations

Detailed Forecast

Today

SSE wind around 8 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 4 ft.

Tonight

ESE wind around 9 kt. Scattered showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then scattered showers and thunderstorms after 3am. Seas 3 to 4 ft.

Sunday

ESE wind around 11 kt. Isolated showers. Seas around 3 ft.

Sunday Night

E wind around 11 kt. Scattered showers, mainly after midnight. Seas around 2 ft.

Monday

E wind around 12 kt. Scattered showers before noon. Seas around 2 ft.

Monday Night

E wind 13 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after midnight. Seas 2 to 3 ft.

Tuesday

E wind 10 to 12 kt. Mostly sunny. Seas around 3 ft.

Tuesday Night

E wind 13 to 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 3 ft.

Wednesday

ESE wind 12 to 14 kt. Showers likely. Seas around 3 ft.

Winds and seas higher in and near thunderstorms.

*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.