Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 80 °F
⇑NW 10kt
3-4ft
Tonight
Low: 77 °F
N 8kt⇓
5ft

Small Craft Advisory
Sunday
High: 80 °F
N 11kt
5ft

Small Craft Advisory
Sunday Night
Low: 77 °F
N 9kt
5-6ft

Small Craft Advisory
Monday
High: 79 °F
NNE 14kt
8-9ft

Small Craft Advisory
Monday Night
Low: 77 °F
NNE 12kt
9ft

Small Craft Advisory
Tuesday
High: 80 °F
NNE 14kt
8ft
Tuesday Night
Low: 77 °F
NE 13kt
7-8ft
Wednesday
High: 81 °F
ENE 15kt
7ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:58 am EST Feb 7, 2026
Forecast Valid: 8am EST Feb 7, 2026-6pm EST Feb 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY

Today

Variable winds less than 5 kt becoming NW 5 to 10 kt in the morning. Showers likely, mainly after 2pm. Seas 3 to 4 ft.

Tonight

N wind 5 to 8 kt becoming variable and less than 5 kt. Showers likely. Seas around 5 ft.

Sunday

N wind 9 to 11 kt. Showers likely, mainly before 11am. Seas around 5 ft.

Sunday Night

N wind around 9 kt. Showers likely, mainly before 11pm. Seas 5 to 6 ft.

Monday

NNE wind 10 to 14 kt. Showers likely, mainly after 11am. Seas 8 to 9 ft.

Monday Night

NNE wind 8 to 12 kt. Scattered showers. Seas around 9 ft.

Tuesday

NNE wind 12 to 14 kt. Scattered showers. Seas around 8 ft.

Tuesday Night

NE wind around 13 kt. Scattered showers. Seas 7 to 8 ft.

Wednesday

ENE wind 12 to 15 kt. Scattered showers. Seas around 7 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.