Marine Weather for GM 055

Active Advisory: (US Severe Weather)
Forecast as of 4:17 PM EST on December 20, 2018
Gale Warning in effect
Straits Of Florida From Halfmoon Shoal To 20 Nm West Of Dry
Tortugas Out 20 Nm-
Straits Of Florida From West End Of Seven Mile Bridge To South Of
Halfmoon Shoal 20 To 60 Nm Out-
Straits Of Florida From Halfmoon Shoal To 20 Nm West Of Dry
Tortugas 20 To 60 Nm Out-
Tonight
Southwest winds 25 to 30 knots, becoming southwest to west and increasing to 30 to 35 knots. Seas 8 to 12 feet building to 10 to 15 feet after midnight. Widespread showers and scattered thunderstorms in the evening, then scattered showers after midnight. Some thunderstorms may be severe in the evening.
Friday
West winds 30 to 40 knots. Seas 13 to 18 feet building to 15 to 19 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.
Friday Night
West to northwest winds 30 to 35 knots early, decreasing to 20 to 25 knots overnight. Seas 13 to 18 feet subsiding to 10 to 15 feet after midnight.
Saturday
Northwest winds near 15 knots early, becoming northwest to north and decreasing to 10 to 15 knots in the afternoon. Seas 8 to 12 feet subsiding to 5 to 9 feet in the afternoon.
Saturday Night
Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Sunday
Northeast to east winds 10 to 15 knots. Seas 3 to 4 feet.
Sunday Night And Monday
Northeast to east winds near 15 knots. Seas 3 to 4 feet. Isolated showers.
Monday Night
East winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
Tuesday And Tuesday Night
East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.

Watches & Warnings

Marine Warning, Small Craft Advisory
Issued: . , – National Weather Service


422 am EST sun Jan 20 2019

... Small Craft Advisory now in effect until 5 am EST Monday...

* winds... shifting to northwest and increasing to near 25 knots
this morning, as a cold front moves through Keys waters.

* Waves/seas... seas will build to 7 to 11 feet across The Straits
of Florida and deep waters of the southeastern Gulf of Mexico.

Precautionary/preparedness actions...

A Small Craft Advisory means that wind speeds of 20 to 33 knots,
or seas of 7 feet or greater, are expected to produce hazardous
conditions for small craft. Inexperienced boaters, especially
those with smaller vessels, should avoid operating in these
conditions.





Marine Weather

Marine Weather Links

Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to 60 nm and Gulf coastal waters from East Cape Sable to Chokoloskee out 20 nm and Chokoloskee to Bonita Beach out 60 nm...including the waters of Biscayne Bay and Lake Okeechobee.

Gulf coastal waters from Bonita Beach to the mouth of the Suwannee River out to 60 nm.

Atlantic waters from Ocean Reef to 20 nm west of Dry Tortugas out 60 nm...Florida Bay...Gulf waters from 20 nm to 60 nm west of Chokoloskee to 20 nm west of Dry Tortugas...including the Florida Keys National Marine Sanctuary

Fornia waters from 60 nm to 250 nm offshore.

Atlantic coastal waters from Altamaha Sound GA to Flagler Beach FL out to 60 nm

Gulf coastal waters from the mouth of the Suwannee River to Destin out to 60 nm

Pascagoula to Atchafalaya River out 60 nm

Coastal waters from lower Atchafalaya to High Island TX out 60 nm

South Santee River SC to Savannah GA out 20 nm and Savannah GA to Altamaha Sound GA out 60 nm...including Charleston Harbor and Grays Reef National marine Sanctuary

Gulf coastal waters Destin to Pascagoula out 60 nm

Atlc coastal waters from Flagler Beach to Jupiter Inlet out 60 nm

Marine & Boating Location Search

Enter a coastal zip code for marine weather.

Coastal Water Temperatures

Place Temperature
Vaca Key, FL 71.1 °F

Open Sea Buoy Information

Place ID Sea Temp Wave Height
No Stations Reporting

C-MAN Station Information

Place ID Water Temp Wave Height
Dry Tortugas, FL
-
-
Pulaski Shoals Light, FL PLSF1
-
-
Sand Key, FL SANF1
-
-

Tide Heights

2019-01-20 2019-01-21
3 AM 9 AM 3 PM 9 PM 3 AM 9 AM 3 PM 9 PM

Tide Information

Date Time Tide Type Height
Garden Key, Dry Tortugas, Florida:  
2019-01-20 03:33 AM EST Low Tide -0.92
2019-01-20 10:18 AM EST High Tide 0.91
2019-01-20 02:44 PM EST Low Tide 0.19
2019-01-20 09:30 PM EST High Tide 1.93
2019-01-21 04:20 AM EST Low Tide -0.96
2019-01-21 11:01 AM EST High Tide 0.95
Loggerhead Key, Dry Tortugas, Florida:  
2019-01-20 03:49 AM EST Low Tide -0.96
2019-01-20 10:32 AM EST High Tide 0.50
2019-01-20 02:12 PM EST Low Tide 0.13
2019-01-20 09:09 PM EST High Tide 1.69
2019-01-21 04:33 AM EST Low Tide -0.97
2019-01-21 11:11 AM EST High Tide 0.50