Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

22NM SSW Fajardo PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 79 °F
ENE 15kt
3ft
Sunday
High: 80 °F
E 18kt
4ft
Sunday Night
Low: 79 °F
E 19kt
4-5ft
Monday
High: 80 °F
E 18kt
5ft
Monday Night
Low: 79 °F
E 18kt
5ft
Tuesday
High: 80 °F
E 17kt
5ft
Tuesday Night
Low: 79 °F
E 15kt
5ft
Wednesday
High: 80 °F
E 15kt
4-5ft
Wednesday Night
Low: 79 °F
E 14kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:43 pm EDT Mar 14, 2026
Forecast Valid: 7pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Tonight

ENE wind around 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after 3am. Seas around 3 ft.

Sunday

E wind 15 to 18 kt, with gusts as high as 25 kt. Showers likely, mainly between 9am and noon. Seas around 4 ft.

Sunday Night

E wind 16 to 19 kt, with gusts as high as 25 kt. Scattered showers, mainly after 9pm. Seas 4 to 5 ft.

Monday

E wind around 18 kt, with gusts as high as 25 kt. Scattered showers. Seas around 5 ft.

Monday Night

E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly after midnight. Seas around 5 ft.

Tuesday

E wind 14 to 17 kt, with gusts as high as 24 kt. Scattered showers. Seas around 5 ft.

Tuesday Night

E wind around 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 5 ft.

Wednesday

E wind around 15 kt, with gusts as high as 21 kt. Scattered showers. Seas 4 to 5 ft.

Wednesday Night

E wind 11 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.