Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

58NM N Hatillo PR

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
E 16kt
4ft
Tonight
Low: 82 °F
E 16kt
4ft
Sunday
High: 83 °F
E 14kt
3-4ft
Sunday Night
Low: 82 °F
E 15kt
3-4ft
Monday
High: 83 °F
E 16kt
4ft
Monday Night
Low: 82 °F
E 18kt
4ft
Tuesday
High: 83 °F
E 17kt
4-5ft
Tuesday Night
Low: 82 °F
ESE 18kt
5ft
Wednesday
High: 83 °F
E 16kt
5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:27 am EDT Jun 21, 2025
Forecast Valid: 9am EDT Jun 21, 2025-6pm EDT Jun 27, 2025

View Nearby Observations

Detailed Forecast

Today

E wind around 16 kt, with gusts as high as 22 kt. Isolated showers between noon and 3pm. Seas around 4 ft.

Tonight

E wind 13 to 16 kt, with gusts as high as 22 kt. Clear. Seas around 4 ft.

Sunday

E wind 12 to 14 kt. Scattered showers before noon. Seas 3 to 4 ft.

Sunday Night

E wind around 15 kt, with gusts as high as 21 kt. Isolated showers before midnight. Seas 3 to 4 ft.

Monday

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

Monday Night

E wind around 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 4 ft.

Tuesday

E wind around 17 kt, with gusts as high as 23 kt. Sunny. Seas 4 to 5 ft.

Tuesday Night

ESE wind around 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 5 ft.

Wednesday

E wind around 16 kt, with gusts as high as 22 kt. Sunny. Seas around 5 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.