Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

15NM SSE Mayaguez PR

Marine Point Forecast

[NOTICE]

Overnight
Low: 82 °F
E 10kt
2ft
Wednesday
High: 83 °F
⇑ESE 18kt
2ft
Wednesday Night
Low: 82 °F
E 13kt
2ft
Thursday
High: 83 °F
ESE 18kt
2ft
Thursday Night
Low: 82 °F
E 13kt
2ft
Friday
High: 83 °F
ESE 13kt
2ft
Friday Night
Low: 82 °F
E 7kt⇓
2ft
Saturday
High: 83 °F
SE 12kt
2ft
Saturday Night
Low: 82 °F
E 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:02 am EDT Jul 15, 2025
Forecast Valid: 12am EDT Jul 16, 2025-6pm EDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Overnight

E wind 7 to 10 kt. Isolated showers after 3am. Seas around 2 ft.

Wednesday

Variable winds less than 5 kt becoming ESE 13 to 18 kt in the morning. Isolated showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Seas around 2 ft.

Wednesday Night

E wind 9 to 13 kt. Scattered showers before 9pm, then isolated showers after midnight. Seas around 2 ft.

Thursday

ESE wind 9 to 18 kt. Isolated showers, then scattered showers and thunderstorms after noon. Widespread haze before noon. Seas around 2 ft.

Thursday Night

E wind 9 to 13 kt. Isolated showers. Widespread haze. Seas around 2 ft.

Friday

ESE wind 7 to 13 kt. Showers likely and possibly a thunderstorm after noon. Seas around 2 ft.

Friday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

Saturday

SE wind 6 to 12 kt. Sunny. Seas around 2 ft.

Saturday Night

E wind around 10 kt. Mostly clear. 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.