Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from March 4, 11:00 AM EST until March 6, 05:00 AM EST

For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Tuesday
High: 81 °F
E 16kt
4-5ft
Tuesday Night
Low: 80 °F
E 11kt
4ft
Wednesday
High: 81 °F
E 15kt
5ft
Wednesday Night
Low: 80 °F
E 12kt
5ft
Thursday
High: 81 °F
E 17kt
5ft
Thursday Night
Low: 80 °F
E 11kt
5ft
Friday
High: 81 °F
E 17kt
5ft
Friday Night
Low: 80 °F
E 13kt
5ft
Saturday
High: 81 °F
E 17kt
6ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:45 am EST Mar 3, 2026
Forecast Valid: 3am EST Mar 3, 2026-6pm EDT Mar 9, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH WEDNESDAY

Tuesday

E wind 11 to 16 kt, with gusts as high as 22 kt. Scattered showers. Seas 4 to 5 ft.

Tuesday Night

E wind around 11 kt. Showers likely, mainly after 2am. Seas around 4 ft.

Wednesday

E wind 12 to 15 kt. Showers likely, mainly before 11am. Seas around 5 ft.

Wednesday Night

E wind 9 to 12 kt. Scattered showers. Seas around 5 ft.

Thursday

E wind 13 to 17 kt, with gusts as high as 23 kt. Scattered showers. Seas around 5 ft.

Thursday Night

E wind around 11 kt. Scattered showers. Seas around 5 ft.

Friday

E wind 12 to 17 kt. Showers likely, mainly before 11am. Seas around 5 ft.

Friday Night

E wind 11 to 13 kt. Scattered showers. Seas around 5 ft.

Saturday

E wind 14 to 17 kt, with gusts as high as 24 kt. Scattered showers. Seas around 6 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.