Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

19NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Wednesday
High: 84 °F
E 13kt
2ft
Wednesday Night
Low: 83 °F
E 16kt
2ft
Thursday
High: 84 °F
E 17kt
2ft
Thursday Night
Low: 83 °F
ENE 16kt
2ft
Friday
High: 84 °F
ENE 15kt
2ft
Friday Night
Low: 83 °F
NNE 14kt
2ft
Saturday
High: 84 °F
NNW 16kt
2ft
Saturday Night
Low: 83 °F
NW 14kt
2-3ft
Sunday
High: 84 °F
SSW 7kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:48 pm EDT Aug 12, 2025
Forecast Valid: 2am EDT Aug 13, 2025-6pm EDT Aug 19, 2025

View Nearby Observations

Detailed Forecast

Wednesday

E wind 11 to 13 kt. Scattered showers, mainly before 9am. Seas around 2 ft.

Wednesday Night

E wind 14 to 16 kt. Isolated showers after midnight. Seas around 2 ft.

Thursday

E wind 14 to 17 kt, with gusts as high as 24 kt. Scattered showers, mainly after noon. Seas around 2 ft.

Thursday Night

ENE wind around 16 kt, with gusts as high as 22 kt. Isolated showers after midnight. Seas around 2 ft.

Friday

ENE wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before noon. Seas around 2 ft.

Friday Night

NNE wind 11 to 14 kt. Scattered showers. Seas around 2 ft.

Saturday

NNW wind around 16 kt, with gusts as high as 22 kt. Scattered showers before noon. Seas around 2 ft.

Saturday Night

NW wind 12 to 14 kt becoming SW after midnight. Mostly clear. Seas 2 to 3 ft.

Sunday

SSW wind 5 to 7 kt. Sunny. Seas around 3 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.