Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 18, 06:00 PM EDT

For More Weather Information:

San Juan, PR Local Forecast Office

22NM SSW Fajardo PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 79 °F
E 16kt
5ft

Small Craft Advisory
Wednesday
High: 81 °F
E 15kt
5ft

Small Craft Advisory
Wednesday Night
Low: 79 °F
E 12kt
4ft
Thursday
High: 81 °F
ESE 12kt
3ft
Thursday Night
Low: 79 °F
E 10kt
3ft
Friday
High: 81 °F
SSE 10kt
3ft
Friday Night
Low: 79 °F
Light Wind
2ft
Saturday
High: 81 °F
⇑S 6kt
2ft
Saturday Night
Low: 79 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:43 pm EDT Mar 17, 2026
Forecast Valid: 7pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026

View Nearby Observations

Detailed Forecast

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

Tonight

E wind 14 to 16 kt. Scattered showers. Seas around 5 ft.

Wednesday

E wind 12 to 15 kt, with gusts as high as 21 kt. Scattered showers. Seas around 5 ft.

Wednesday Night

E wind around 12 kt. Isolated showers before midnight, then isolated showers after 3am. Seas around 4 ft.

Thursday

ESE wind 10 to 12 kt. Showers likely, mainly before noon. Seas around 3 ft.

Thursday Night

E wind around 10 kt. Scattered showers. Seas around 3 ft.

Friday

SSE wind 8 to 10 kt. Showers likely and possibly a thunderstorm before noon, then isolated showers. Seas around 3 ft.

Friday Night

Variable winds 5 kt or less. Scattered showers. Seas around 2 ft.

Saturday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Scattered showers. Seas around 2 ft.

Saturday Night

Variable winds 5 kt or less. Showers likely. Seas around 2 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.