Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until February 12, 05:00 PM EST

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Overnight
Low: 78 °F
ESE 8kt
6ft

Small Craft Advisory
Thursday
High: 79 °F
SE 10kt
5ft

Small Craft Advisory
Thursday Night
Low: 78 °F
SE 6kt⇓
4ft
Friday
High: 79 °F
⇑E 8kt
3-4ft
Friday Night
Low: 78 °F
ESE 6kt⇓
3ft
Saturday
High: 79 °F
⇑ENE 11kt
3ft
Saturday Night
Low: 78 °F
ENE 9kt
3ft
Sunday
High: 79 °F
E 12kt
4ft
Sunday Night
Low: 78 °F
E 11kt
5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:26 pm EST Feb 11, 2026
Forecast Valid: 11pm EST Feb 11, 2026-6pm EST Feb 18, 2026

View Nearby Observations

Detailed Forecast

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

Overnight

ESE wind 6 to 8 kt. Scattered showers. Seas around 6 ft.

Thursday

SE wind 5 to 10 kt. Showers likely, mainly between 11am and 5pm. Seas around 5 ft.

Thursday Night

SE wind around 6 kt becoming variable and less than 5 kt in the evening. Showers likely, mainly between 8pm and 11pm. Seas around 4 ft.

Friday

Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. Scattered showers. Seas 3 to 4 ft.

Friday Night

ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Isolated showers before 11pm. Seas around 3 ft.

Saturday

Variable winds less than 5 kt becoming ENE 6 to 11 kt in the morning. Isolated showers after 11am. Seas around 3 ft.

Saturday Night

ENE wind 7 to 9 kt. Mostly clear. Seas around 3 ft.

Sunday

E wind 9 to 12 kt. Showers likely. Seas around 4 ft.

Sunday Night

E wind 8 to 11 kt. Partly cloudy. Seas around 5 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.