Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 18, 05:00 PM EST

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Sunday
High: 82 °F
E 16kt
6ft

Small Craft Advisory
Sunday Night
Low: 75 °F
E 10kt
5ft
M.L.King Day
High: 82 °F
E 15kt
5ft
Monday Night
Low: 80 °F
E 10kt
5ft
Tuesday
High: 82 °F
E 15kt
5ft
Tuesday Night
Low: 80 °F
E 11kt
5ft
Wednesday
High: 82 °F
E 17kt
5-6ft
Wednesday Night
Low: 80 °F
E 14kt
6ft
Thursday
High: 82 °F
E 15kt
6ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:15 am EST Jan 18, 2026
Forecast Valid: 4am EST Jan 18, 2026-6pm EST Jan 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

Sunday

E wind 8 to 16 kt. Scattered showers, mainly before 8am. Seas around 6 ft.

Sunday Night

E wind 8 to 10 kt. Scattered showers, mainly between 11pm and 5am. Seas around 5 ft.

M.L.King Day

E wind 7 to 15 kt. Scattered showers, mainly after 2pm. Seas around 5 ft.

Monday Night

E wind around 10 kt. Scattered showers, mainly before 11pm. Seas around 5 ft.

Tuesday

E wind 11 to 15 kt. Scattered showers, mainly after 11am. Seas around 5 ft.

Tuesday Night

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

Wednesday

E wind 11 to 17 kt. Showers likely, mainly before 11am. Seas 5 to 6 ft.

Wednesday Night

E wind 12 to 14 kt. Scattered showers. Seas around 6 ft.

Thursday

E wind 12 to 15 kt, with gusts as high as 21 kt. Showers likely. 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.