Marine Weather for GM 657

Forecast as of 4:59 PM EST on December 20, 2018
Gale Warning in effect through late Friday night
Severe Thunderstorm Watch 440 in effect until 9 PM EST this evening
Coastal Waters From East Cape Sable To Chokoloskee Fl Out 20 Nm-
Tonight
West southwest winds 20 to 30 knots. Nearshore, gusts up to 40 knots in the evening...then 45 knots after midnight, seas 3 to 5 feet with occasional seas to 6 feet. Offshore, gusts up to 45 knots, seas 6 to 8 feet with occasional seas to 10 feet building to 9 to 11 feet with occasional seas to 14 feet after midnight. Period 6 seconds. West southwest swell 3 feet after midnight. Bay and inland waters very rough in exposed areas. Showers with thunderstorms likely in the evening...then a chance of showers after midnight.
Friday
West winds 25 to 30 knots with gusts to around 50 knots. Seas 3 to 5 feet with occasional seas to 6 feet nearshore and 10 to 12 feet with occasional to 15 feet offshore. Period 11 seconds. West southwest swell 5 feet increasing to 3 to 5 feet in the afternoon. Bay and inland waters very rough in exposed areas. A chance of showers in the morning...then a slight chance of showers in the afternoon.
Friday Night
Nearshore, west northwest winds 15 to 25 knots, gusts up to 40 knots in the evening, seas 3 to 5 feet with occasional seas to 6 feet. Offshore, west northwest winds 20 to 30 knots with gusts to around 40 knots becoming northwest 15 to 20 knots after midnight, seas 10 to 12 feet with occasional seas to 15 feet subsiding to 8 to 10 feet with occasional seas to 13 feet after midnight. Period 12 seconds. West swell 5 feet. Bay and inland waters very rough in exposed areas.
Saturday
North winds 10 to 15 knots. Seas around 2 feet nearshore and 5 to 7 feet with occasional to 9 feet offshore. Period 11 seconds. West swell 3 feet. Bay and inland waters light chop.
Saturday Night Through Monday
East northeast winds 5 to 10 knots nearshore and east northeast 10 to 15 knots offshore. Seas less than 2 feet nearshore and 2 to 3 feet with occasional to 5 feet offshore. Bay and inland waters a light chop.
Monday Night
Northeast winds around 10 knots nearshore and east northeast 10 to 15 knots offshore. Seas around 2 feet. Bay and inland waters a light chop.
Tuesday
East northeast winds around 10 knots nearshore and east northeast 10 to 15 knots offshore. Seas around 2 feet. Bay and inland waters a light chop.

Watches & Warnings

There are currently no watches in effect.

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
No Stations Reporting

Open Sea Buoy Information

Place ID Sea Temp Wave Height
No Stations Reporting

C-MAN Station Information

Place ID Water Temp Wave Height
Long Key, FL LONF1 67 °F
-
Alligator Reef
-
-
Sombrero Key, FL SMKF1
-
-
Molasses Reef, FL MLRF1 75 °F
-

Tide Information

Date Time Tide Type Height
Cape Romano, Florida:  
2019-01-17 04:04 PM EST Low Tide 1.31
2019-01-17 09:33 PM EST High Tide 3.30
2019-01-18 05:08 AM EST Low Tide -0.75
2019-01-18 11:44 AM EST High Tide 2.56
2019-01-18 04:58 PM EST Low Tide 1.30
2019-01-18 10:19 PM EST High Tide 3.54
Cape Sable, East Cape, Florida:  
2019-01-17 04:50 PM EST Low Tide 1.31
2019-01-17 10:23 PM EST High Tide 3.61
2019-01-18 05:54 AM EST Low Tide -0.75
2019-01-18 12:34 PM EST High Tide 2.80
2019-01-18 05:44 PM EST Low Tide 1.30
2019-01-18 11:09 PM EST High Tide 3.87
Chatham River entrance, Florida:  
2019-01-17 04:53 PM EST Low Tide 0.88
2019-01-17 09:49 PM EST High Tide 3.97
2019-01-18 05:57 AM EST Low Tide -0.50
2019-01-18 12:00 PM EST High Tide 3.08
2019-01-18 05:47 PM EST Low Tide 0.87
2019-01-18 10:35 PM EST High Tide 4.26
Chokoloskee, Florida:  
2019-01-17 06:14 PM EST Low Tide 0.83
2019-01-17 11:05 PM EST High Tide 3.08
2019-01-18 07:18 AM EST Low Tide -0.47
2019-01-18 01:16 PM EST High Tide 2.39
2019-01-18 07:08 PM EST Low Tide 0.82
2019-01-18 11:51 PM EST High Tide 3.31
Coon Key, Florida:  
2019-01-17 04:31 PM EST Low Tide 1.31
2019-01-17 10:05 PM EST High Tide 3.30
2019-01-18 05:35 AM EST Low Tide -0.75
2019-01-18 12:16 PM EST High Tide 2.56
2019-01-18 05:25 PM EST Low Tide 1.30
2019-01-18 10:51 PM EST High Tide 3.54
Everglades City, Barron River, Florida:  
2019-01-17 06:26 PM EST Low Tide 0.76
2019-01-17 11:15 PM EST High Tide 2.75
2019-01-18 07:30 AM EST Low Tide -0.43
2019-01-18 01:26 PM EST High Tide 2.13
2019-01-18 07:20 PM EST Low Tide 0.75
2019-01-19 12:01 AM EST High Tide 2.95
Flamingo, Florida Bay, Florida:  
2019-01-17 06:57 PM EST Low Tide 0.41
2019-01-17 11:47 PM EST High Tide 2.42
2019-01-18 08:39 AM EST Low Tide -0.47
2019-01-18 01:44 PM EST High Tide 1.33
2019-01-18 07:49 PM EST Low Tide 0.35
2019-01-19 12:42 AM EST High Tide 2.65
Indian Key, Florida:  
2019-01-17 04:19 PM EST Low Tide 1.31
2019-01-17 09:45 PM EST High Tide 4.11
2019-01-18 05:23 AM EST Low Tide -0.75
2019-01-18 11:56 AM EST High Tide 3.18
2019-01-18 05:13 PM EST Low Tide 1.30
2019-01-18 10:31 PM EST High Tide 4.41
Lostmans River entrance, Florida:  
2019-01-17 04:59 PM EST Low Tide 1.31
2019-01-17 09:59 PM EST High Tide 3.69
2019-01-18 06:03 AM EST Low Tide -0.75
2019-01-18 12:10 PM EST High Tide 2.86
2019-01-18 05:53 PM EST Low Tide 1.30
2019-01-18 10:45 PM EST High Tide 3.96
Onion Key, Lostmans River, Florida:  
2019-01-17 07:53 PM EST Low Tide 0.21
2019-01-17 11:59 PM EST High Tide 0.72
2019-01-18 08:57 AM EST Low Tide -0.12
2019-01-18 02:10 PM EST High Tide 0.56
2019-01-18 08:47 PM EST Low Tide 0.21
2019-01-19 12:45 AM EST High Tide 0.77
Pumpkin Bay, Florida:  
2019-01-17 06:07 PM EST Low Tide 0.66
2019-01-17 11:29 PM EST High Tide 2.47
2019-01-18 07:11 AM EST Low Tide -0.37
2019-01-18 01:40 PM EST High Tide 1.92
2019-01-18 07:01 PM EST Low Tide 0.65
2019-01-19 12:15 AM EST High Tide 2.65
Round Key, Florida:  
2019-01-17 04:12 PM EST Low Tide 1.31
2019-01-17 09:44 PM EST High Tide 4.11
2019-01-18 05:16 AM EST Low Tide -0.75
2019-01-18 11:55 AM EST High Tide 3.18
2019-01-18 05:06 PM EST Low Tide 1.30
2019-01-18 10:30 PM EST High Tide 4.41
Shark River entrance, Florida:  
2019-01-17 04:45 PM EST Low Tide 1.31
2019-01-17 09:47 PM EST High Tide 3.97
2019-01-18 05:49 AM EST Low Tide -0.75
2019-01-18 11:58 AM EST High Tide 3.08
2019-01-18 05:39 PM EST Low Tide 1.30
2019-01-18 10:33 PM EST High Tide 4.26
Whitewater Bay, Florida:  
2019-01-17 02:03 PM EST High Tide 0.52
2019-01-17 07:38 PM EST Low Tide 0.44
2019-01-18 12:43 AM EST High Tide 0.72
2019-01-18 08:42 AM EST Low Tide -0.25
2019-01-18 02:54 PM EST High Tide 0.56
2019-01-18 08:32 PM EST Low Tide 0.44