Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 10, 12:00 AM EDT

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
E 15kt
5ft

Small Craft Advisory
Tonight
Low: 82 °F
E 11kt
5ft

Small Craft Advisory
Tuesday
High: 83 °F
E 15kt
4-5ft
Tuesday Night
Low: 82 °F
E 12kt
4ft
Wednesday
High: 83 °F
E 15kt
4ft
Wednesday Night
Low: 82 °F
E 11kt
4ft
Thursday
High: 83 °F
E 15kt
4ft
Thursday Night
Low: 82 °F
E 9kt
3-4ft
Friday
High: 83 °F
E 14kt
3-4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:38 am EDT Mar 9, 2026
Forecast Valid: 5am EDT Mar 9, 2026-6pm EDT Mar 15, 2026

View Nearby Observations

Detailed Forecast

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

Today

E wind 11 to 15 kt, with gusts as high as 21 kt. Showers likely, mainly before 9am. Seas around 5 ft.

Tonight

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

Tuesday

E wind 11 to 15 kt. Scattered showers, with thunderstorms also possible after noon. Seas 4 to 5 ft.

Tuesday Night

E wind 9 to 12 kt. Scattered showers. Seas around 4 ft.

Wednesday

E wind 8 to 15 kt. Showers likely, mainly before noon. Seas around 4 ft.

Wednesday Night

E wind 8 to 11 kt. Scattered showers. Seas around 4 ft.

Thursday

E wind 8 to 15 kt. Scattered showers after noon. Seas around 4 ft.

Thursday Night

E wind 7 to 9 kt. Scattered showers. Seas 3 to 4 ft.

Friday

E wind 8 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 3 to 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.