Unsettled Weather Across the Northwest; Much Cooler for the East

A frontal system will bring rain and mountain snow from northern California into Washington today, before advancing into the Rockies and Intermountain West on Monday. Strong and gusty winds are also expected over parts of California and Nevada. Meanwhile, much cooler and more seasonable weather will return to the East Coast today as temperatures rebound from the southern Plains into the Midwest.
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Hazardous Weather Conditions

For More Weather Information:

Miami - South Florida Local Forecast Office

10NM E Virginia Key FL

Marine Point Forecast

[NOTICE]

Today

NNE 21km/h
1m
High: 29 °C

Small Craft Advisory
Tonight

NNE 34km/h
1-2m
Low: 26 °C

Small Craft Advisory
Monday

NE 34km/h
2m
High: 28 °C

Small Craft Advisory
Monday
Night
ENE 29km/h
2m
Low: 26 °C
Tuesday

ENE 32km/h
1-2m
High: 28 °C
Tuesday
Night
E 32km/h
1m
Low: 27 °C
Wednesday

E 29km/h
1m
High: 28 °C
Wednesday
Night
E 32km/h
1m
Low: 27 °C
Thursday

E 26km/h
1m
High: 28 °C

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:01 am EDT Oct 17, 2021
Forecast Valid: 10am EDT Oct 17, 2021-6pm EDT Oct 23, 2021

View Nearby Observations

Detailed Forecast

Synopsis: A cold front will move across the Atlantic and Gulf coastal waters on Sunday. Behind this front, winds will quickly increase out of the north northeast as the day progresses leading to deteriorating marine conditions during this time frame. Wave heights across the local waters will increase as well especially across the Atlantic waters later in the day on Sunday and into Monday. The elevated winds and seas will gradually diminsh as the middle of the week approaches.

.GULF STREAM HAZARDS...Winds and seas will increase as Sunday progresses and could reach 7 feet Sunday Night into Monday.

The approximate location of the west wall of the Gulf Stream as of Oct 16, 2021 at 1200 UTC...

12 nautical miles southeast of Fowey Rocks. 20 nautical miles east southeast of Port Everglades. 13 nautical miles east northeast of Lake Worth. 12 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Today

NNW wind 16 to 21 km/h becoming NNE in the afternoon. A slight chance of showers after 3pm. Seas around 1 m. Dominant period 3 to 4 seconds. Intracoastal waters a light chop becoming a moderate chop.

Tonight

NNE wind 32 to 34 km/h, with gusts as high as 45 km/h. A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Seas 1 to 2 m. Dominant period 4 to 6 seconds. Intracoastal waters rough.

Monday

NE wind 32 to 34 km/h, with gusts as high as 45 km/h. Mostly sunny. Seas around 2 m. Dominant period 6 to 7 seconds. Intracoastal waters extremely rough in exposed areas becoming very rough in exposed areas.

Monday Night

ENE wind 27 to 29 km/h, with gusts as high as 39 km/h. Partly cloudy. Seas around 2 m. Dominant period 7 seconds. Intracoastal waters very rough in exposed areas.

Tuesday

ENE wind 29 to 32 km/h, with gusts as high as 40 km/h. A slight chance of showers after 2pm. Seas 1 to 2 m. Intracoastal waters very rough in exposed areas.

Tuesday Night

E wind 29 to 32 km/h, with gusts as high as 42 km/h. A slight chance of showers before 8pm. Seas around 1 m. Intracoastal waters very rough in exposed areas.

Wednesday

E wind around 29 km/h, with gusts as high as 39 km/h. A slight chance of showers after 2pm. Seas around 1 m. Intracoastal waters very rough in exposed areas.

Wednesday Night

E wind 29 to 32 km/h, with gusts as high as 42 km/h. A slight chance of showers. Seas around 1 m. Intracoastal waters very rough in exposed areas.

Thursday

E wind 24 to 26 km/h, with gusts as high as 34 km/h. A chance of showers. Seas around 1 m. Intracoastal waters rough in exposed areas.

*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.