Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 84 °F
SE 13kt
4ft
Tonight
Low: 76 °F
SSE 7kt
4ft
Saturday
High: 84 °F
SSE 10kt
4ft
Saturday Night
Low: 75 °F
Light Wind
4ft
Sunday
High: 82 °F
⇑N 10kt
4ft
Sunday Night
Low: 74 °F
NE 8kt
3-4ft
Monday
High: 81 °F
NE 10kt
3ft
Monday Night
Low: 74 °F
ENE 8kt
3ft
Tuesday
High: 81 °F
ENE 10kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:07 am EDT Mar 20, 2026
Forecast Valid: 10am EDT Mar 20, 2026-6pm EDT Mar 26, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind 8 to 13 kt. Scattered showers, mainly after noon. Seas around 4 ft.

Tonight

SSE wind 5 to 7 kt. Isolated showers before 9pm, then isolated showers after midnight. Seas around 4 ft.

Saturday

SSE wind 6 to 10 kt. Showers likely and possibly a thunderstorm, mainly after noon. Seas around 4 ft.

Saturday Night

Variable winds 5 kt or less. Scattered showers. Seas around 4 ft.

Sunday

Variable winds less than 5 kt becoming N 5 to 10 kt in the morning. Scattered showers, then showers likely and possibly a thunderstorm after noon. Seas around 4 ft.

Sunday Night

NE wind around 8 kt. Showers likely and possibly a thunderstorm. Seas 3 to 4 ft.

Monday

NE wind around 10 kt. Showers likely. Seas around 3 ft.

Monday Night

ENE wind around 8 kt. Showers likely. Seas around 3 ft.

Tuesday

ENE wind around 10 kt. Showers likely. Seas around 3 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.