Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

Sunday
High: 84 °F
NE 25kt
2-4ft

Small Craft Advisory
Sunday Night
Low: 78 °F
NE 25kt
4ft

Small Craft Advisory
Monday
High: 85 °F
ENE 25kt
5ft
Monday Night
Low: 78 °F
NE 25kt
4-5ft
Tuesday
High: 85 °F
NE 25kt
4ft
Tuesday Night
Low: 77 °F
NE 20kt
4ft
Wednesday
High: 84 °F
NE 25kt
3-4ft
Wednesday Night
Low: 77 °F
NE 20kt
3ft
Thursday
High: 83 °F
NE 20kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:15 am CDT Oct 18, 2026
Forecast Valid: 2am CDT Oct 18, 2026-6pm CDT Oct 24, 2026

View Nearby Observations

Detailed Forecast

Sunday

NE wind 20 to 25 kt. Showers and possibly a thunderstorm. Seas 2 to 4 ft.

Sunday Night

NE wind around 25 kt. A chance of showers and thunderstorms. Seas around 4 ft.

Monday

ENE wind around 25 kt. A chance of showers and thunderstorms. Seas around 5 ft.

Monday Night

NE wind 20 to 25 kt. A slight chance of showers. Seas 4 to 5 ft.

Tuesday

NE wind 20 to 25 kt. A slight chance of showers. Seas around 4 ft.

Tuesday Night

NE wind around 20 kt. A slight chance of showers. Seas around 4 ft.

Wednesday

NE wind 15 to 25 kt. A slight chance of showers. Seas 3 to 4 ft.

Wednesday Night

NE wind 15 to 20 kt. A slight chance of showers. Seas around 3 ft.

Thursday

NE wind 10 to 20 kt. A slight chance of showers and thunderstorms. Seas 2 to 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.