Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
ESE 16kt
4ft
Tonight
Low: 75 °F
SE 7kt
4ft
Friday
High: 85 °F
SE 12kt
4ft
Friday Night
Low: 76 °F
Light Wind
4ft
Saturday
High: 84 °F
SSE 7kt
4ft
Saturday Night
Low: 75 °F
Light Wind
3ft
Sunday
High: 82 °F
⇑N 9kt
3ft
Sunday Night
Low: 74 °F
Light Wind
3ft
Monday
High: 82 °F
⇑NE 8kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:00 pm EDT Mar 19, 2026
Forecast Valid: 2pm EDT Mar 19, 2026-6pm EDT Mar 25, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

ESE wind around 16 kt. Scattered showers. Seas around 4 ft.

Tonight

SE wind around 7 kt. Mostly clear. Seas around 4 ft.

Friday

SE wind 5 to 12 kt. Scattered showers, mainly after 3pm. Seas around 4 ft.

Friday Night

Variable winds 5 kt or less. Isolated showers before midnight, then isolated showers after 3am. Seas around 4 ft.

Saturday

SSE wind 5 to 7 kt. Isolated showers, then showers likely and possibly a thunderstorm after noon. Seas around 4 ft.

Saturday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Sunday

Variable winds less than 5 kt becoming N 5 to 9 kt in the morning. Showers likely after noon. Seas around 3 ft.

Sunday Night

Variable winds 5 kt or less. Scattered showers. Seas around 3 ft.

Monday

Variable winds less than 5 kt becoming NE 5 to 8 kt in the afternoon. 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.