Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through the day. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Hazardous Weather Conditions

Small Craft Advisory until February 5, 01:00 AM EST

For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
N 15kt
8ft
Tonight
Low: 80 °F
N 15kt
9-10ft
Tuesday
High: 81 °F
NNE 15kt
10ft
Tuesday Night
Low: 80 °F
NE 14kt
9ft
Wednesday
High: 81 °F
E 14kt
7ft
Wednesday Night
Low: 80 °F
ESE 10kt
6-7ft
Thursday
High: 81 °F
SE 8kt
5ft
Thursday Night
Low: 80 °F
SSE 6kt⇓
4-5ft
Friday
High: 81 °F
Light Wind
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:58 am EST Feb 2, 2026
Forecast Valid: 10am EST Feb 2, 2026-6pm EST Feb 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM AST THIS MORNING THROUGH

Today

N wind 9 to 15 kt, with gusts as high as 21 kt. Showers and possibly a thunderstorm. Seas 4 ft building to 8 ft.

Tonight

N wind around 15 kt. Showers and thunderstorms before 5am, then showers likely. Seas 9 to 10 ft.

Tuesday

NNE wind around 15 kt, with gusts as high as 21 kt. Showers likely, mainly after 11am. Seas around 10 ft.

Tuesday Night

NE wind 12 to 14 kt. Showers likely and possibly a thunderstorm. Seas around 9 ft.

Wednesday

E wind 11 to 14 kt. Showers likely and possibly a thunderstorm. Seas around 7 ft.

Wednesday Night

ESE wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas 6 to 7 ft.

Thursday

SE wind 5 to 8 kt. Scattered showers. Seas around 5 ft.

Thursday Night

SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Scattered showers. Seas 4 to 5 ft.

Friday

Variable winds 5 kt or less. 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.