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 Monday. 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 in effect from February 2, 05:00 AM EST until February 5, 01:00 AM EST

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Monday
High: 81 °F
⇑N 15kt
8ft

Small Craft Advisory
Monday Night
Low: 80 °F
N 15kt
9-10ft

Small Craft Advisory
Tuesday
High: 81 °F
NNE 15kt
10ft

Small Craft Advisory
Tuesday Night
Low: 80 °F
NE 14kt
9ft

Small Craft Advisory
Wednesday
High: 81 °F
E 14kt
7-8ft

Small Craft Advisory
Wednesday Night
Low: 80 °F
ESE 10kt
6-7ft

Small Craft Advisory
Thursday
High: 81 °F
ESE 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: 3am 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

Monday

Variable winds less than 5 kt becoming N 10 to 15 kt in the morning. Winds could gust as high as 21 kt. Showers and possibly a thunderstorm. Seas 4 ft building to 8 ft.

Monday Night

N wind around 15 kt. Showers and thunderstorms 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 around 14 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm. Seas around 9 ft.

Wednesday

E wind 11 to 14 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm. Seas 7 to 8 ft.

Wednesday Night

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

Thursday

ESE 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.