Severe Thunderstorms and Heavy Rain from the Southern Plains to the Ohio Valley; Wintry Mix in the Northeast

Numerous showers and thunderstorms, some severe, are expected from the southern Plains to the Ohio Valley. The repeating nature of some showers and thunderstorms may lead to isolated flash flooding across the Ohio Valley. An area of freezing rain, with some snow on the northern edge, will cause hazardous travel conditions over portions of New England. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from March 4, 05:00 AM EST until March 6, 05:00 AM EST

For More Weather Information:

San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Wednesday
High: 81 °F
E 15kt
4ft

Small Craft Advisory
Wednesday Night
Low: 80 °F
ENE 11kt
4ft

Small Craft Advisory
Thursday
High: 81 °F
ENE 16kt
4ft

Small Craft Advisory
Thursday Night
Low: 80 °F
NE 11kt
4ft

Small Craft Advisory
Friday
High: 81 °F
ENE 15kt
4ft
Friday Night
Low: 80 °F
ENE 12kt
4ft
Saturday
High: 81 °F
ENE 15kt
4ft
Saturday Night
Low: 80 °F
ENE 12kt
4ft
Sunday
High: 81 °F
E 14kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:01 pm EST Mar 3, 2026
Forecast Valid: 1am EST Mar 4, 2026-6pm EDT Mar 10, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Wednesday

E wind 9 to 15 kt. Showers likely, mainly before 2pm. Seas around 4 ft.

Wednesday Night

ENE wind 9 to 11 kt. Isolated showers after 8pm. Seas around 4 ft.

Thursday

ENE wind 10 to 16 kt. Isolated showers. Seas around 4 ft.

Thursday Night

NE wind around 11 kt. Scattered showers. Seas around 4 ft.

Friday

ENE wind 12 to 15 kt. Scattered showers, mainly after 11am. Seas around 4 ft.

Friday Night

ENE wind 10 to 12 kt. Scattered showers. Seas around 4 ft.

Saturday

ENE wind 13 to 15 kt. Showers likely, mainly before 11am. Seas around 4 ft.

Saturday Night

ENE wind around 12 kt. Scattered showers. Seas around 4 ft.

Sunday

E wind 12 to 14 kt. Scattered showers. Seas around 4 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.