Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Hazardous Weather Conditions

Small Craft Advisory until November 30, 07:00 AM EST

For More Weather Information:

Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 78 °F
ENE 25kt

Small Craft Advisory
Tonight
Low: 74 °F
E 25kt

Small Craft Advisory
Sunday
High: 80 °F
E 18kt
Sunday Night
Low: 75 °F
ENE 14kt
Monday
High: 81 °F
E 14kt
Monday Night
Low: 76 °F
E 15kt
Tuesday
High: 82 °F
SSE 15kt
Tuesday Night
Low: 74 °F
SW 11kt
Wednesday
High: 81 °F
NW 6kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:46 pm EST Nov 29, 2025
Forecast Valid: 5pm EST Nov 29, 2025-6pm EST Dec 6, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

Late Afternoon

ENE wind around 25 kt. A chance of showers. Bay waters rough in exposed areas.

Tonight

E wind 19 to 25 kt. A chance of showers, mainly after 11pm. Bay waters rough in exposed areas.

Sunday

E wind 15 to 18 kt. A chance of showers, mainly before 9am. Bay waters choppy in exposed areas becoming a moderate chop.

Sunday Night

ENE wind 12 to 14 kt. Partly cloudy. Bay waters a moderate chop becoming a light chop.

Monday

E wind 11 to 14 kt. Sunny. Bay waters a moderate chop.

Monday Night

E wind around 15 kt becoming SE after midnight. Partly cloudy. Bay waters a moderate chop.

Tuesday

SSE wind 13 to 15 kt. Mostly sunny. Bay waters a light chop.

Tuesday Night

SW wind 6 to 11 kt becoming W after midnight. Partly cloudy. Bay waters a light chop becoming smooth.

Wednesday

NW wind around 6 kt becoming ENE in the afternoon. Mostly sunny. Bay waters smooth.

*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.