Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 23, 05:00 AM EST

For More Weather Information:

San Juan, PR Local Forecast Office

5NM E Fajardo PR

Marine Point Forecast

[NOTICE]

Thursday
High: 82 °F
E 19kt
5ft

Small Craft Advisory
Thursday Night
Low: 80 °F
E 16kt
4-5ft

Small Craft Advisory
Friday
High: 82 °F
E 14kt
4ft
Friday Night
Low: 80 °F
E 13kt
4ft
Saturday
High: 82 °F
E 13kt
3ft
Saturday Night
Low: 80 °F
E 16kt
3-4ft
Sunday
High: 82 °F
E 15kt
4ft
Sunday Night
Low: 80 °F
E 14kt
3ft
Monday
High: 82 °F
E 14kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:56 am EST Jan 22, 2026
Forecast Valid: 4am EST Jan 22, 2026-6pm EST Jan 28, 2026

View Nearby Observations

Detailed Forecast

Thursday

E wind 17 to 19 kt, with gusts as high as 26 kt. Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers likely after 5pm. Seas around 5 ft.

Thursday Night

E wind 13 to 16 kt. Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Seas 4 to 5 ft.

Friday

E wind around 14 kt. Showers likely, mainly before 2pm. Seas around 4 ft.

Friday Night

E wind around 13 kt. Scattered showers. Seas around 4 ft.

Saturday

E wind around 13 kt. Scattered showers. Seas around 3 ft.

Saturday Night

E wind 13 to 16 kt. Scattered showers. Seas 3 to 4 ft.

Sunday

E wind around 15 kt, with gusts as high as 21 kt. Scattered showers after 11am. Seas around 4 ft.

Sunday Night

E wind around 14 kt. Partly cloudy. Seas around 3 ft.

Monday

E wind 11 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas around 3 ft.

Winds and seas higher in and near thunderstorms.

*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.