Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
E 12kt
4ft
Tonight
Low: 79 °F
E 9kt
4ft
Monday
High: 81 °F
E 15kt
4ft
Monday Night
Low: 79 °F
E 10kt
4ft
Tuesday
High: 81 °F
E 17kt
4-5ft
Tuesday Night
Low: 79 °F
E 12kt
5ft
Wednesday
High: 81 °F
E 18kt
5ft
Wednesday Night
Low: 79 °F
E 13kt
5ft
Thursday
High: 81 °F
E 17kt
5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:16 pm EST Mar 1, 2026
Forecast Valid: 4pm EST Mar 1, 2026-6pm EDT Mar 8, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 12 kt. Isolated showers after 5pm. Seas around 4 ft.

Tonight

E wind 7 to 9 kt. Scattered showers, mainly after 8pm. Seas around 4 ft.

Monday

E wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before 11am. Seas around 4 ft.

Monday Night

E wind 8 to 10 kt. Scattered showers, mainly after 8pm. Seas around 4 ft.

Tuesday

E wind 11 to 17 kt, with gusts as high as 23 kt. Scattered showers, mainly before 11am. Seas 4 to 5 ft.

Tuesday Night

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

Wednesday

E wind 13 to 18 kt, with gusts as high as 25 kt. Scattered showers before 11am. Seas around 5 ft.

Wednesday Night

E wind around 13 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.

*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.