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. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 20, 04:00 AM CDT

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

Overnight
Low: 68 °F
NNE 20kt
3ft

Small Craft Advisory
Friday
High: 74 °F
NNE 20kt
2-3ft
Friday Night
Low: 69 °F
NNE 15kt
2ft
Saturday
High: 76 °F
NNE 15kt
1-2ft
Saturday Night
Low: 71 °F
NNE 10kt
1ft
Sunday
High: 77 °F
Light Wind
1ft
Sunday Night
Low: 72 °F
ENE 10kt
1ft
Monday
High: 77 °F
ENE 10kt
1ft
Monday Night
Low: 72 °F
NNE 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:15 pm CDT Mar 19, 2026
Forecast Valid: 11pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026

View Nearby Observations

Detailed Forecast

Overnight

NNE wind around 20 kt. A slight chance of showers. Seas around 3 ft.

Friday

NNE wind 15 to 20 kt. A slight chance of showers. Seas 2 to 3 ft.

Friday Night

NNE wind around 15 kt. Mostly clear. Seas around 2 ft.

Saturday

NNE wind 10 to 15 kt. Sunny. Seas 1 to 2 ft.

Saturday Night

NNE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Sunday Night

ENE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

Monday

ENE wind 5 to 10 kt. Sunny. Seas around 1 ft.

Monday Night

NNE wind 5 to 10 kt. Mostly clear. Seas around 1 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.