National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 210214
CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
914 PM EST Wed Nov 20 2024

Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach FL out to 60 nm.

Seas are provided as a range of the average height of the highest 1/3 of the waves, along with the occasional height of the average highest 1/10 of the waves.

AMZ400-211015
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm
914 PM EST Wed Nov 20 2024

SYNOPSIS

Behind a cold front tonight, strong northwest winds are forecast. Small Craft Advisory and Gale Warning headlines are in place beginning this evening. There is high potential for wind gusts to gale force mainly offshore waters at 20 nm to 60 nm between Saint Augustine and Altamaha Sound. Winds will remain at least near 20 knots Thursday into Friday so small craft advisory headlines will likely stay in effect during this period. High pressure will build into the area over the weekend.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of Nov 19, 2024 at 1200 UTC...

50 nautical miles east of Flagler Beach. 59 nautical miles east of Saint Augustine Beach. 75 nautical miles east of Jacksonville Beach. 87 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

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AMZ450-452-454-211015
Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM
Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM
914 PM EST Wed Nov 20 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING

REST OF TONIGHT
Northwest winds 20 to 25 knots. Occasional gusts up to 35 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 4 feet at 5 seconds, becoming northwest 5 feet at 5 seconds. Intracoastal waters rough.

THURSDAY
Northwest winds 20 to 25 knots, becoming west 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 5 feet at 5 seconds and northeast 2 feet at 11 seconds. Intracoastal waters rough.

THURSDAY NIGHT
West winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 4 seconds and northeast 2 feet at 8 seconds. Intracoastal waters rough.

FRIDAY
West winds near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 5 seconds. Intracoastal waters choppy.

FRIDAY NIGHT AND SATURDAY
Northwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest 4 feet at 4 seconds. Intracoastal waters choppy.

SATURDAY NIGHT
West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds. Intracoastal waters light chop.

SUNDAY THROUGH MONDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop.

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AMZ474-211015
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM
914 PM EST Wed Nov 20 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT

REST OF TONIGHT
Northwest winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet. Wave Detail: West 4 feet at 5 seconds and northeast 2 feet at 11 seconds, becoming northwest 7 feet at 6 seconds and northeast 2 feet at 11 seconds.

THURSDAY
Northwest winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 8 feet at 7 seconds.

THURSDAY NIGHT
Northwest winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 7 feet at 6 seconds.

FRIDAY
Northwest winds 20 to 25 knots. Gusts up to 35 knots in the morning possible. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 7 feet at 7 seconds.

FRIDAY NIGHT AND SATURDAY
Northwest winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 6 feet at 6 seconds.

SATURDAY NIGHT
Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 3 feet at 6 seconds.

SUNDAY THROUGH MONDAY
Southwest winds 5 to 10 knots. Seas around 2 feet.

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AMZ470-472-211015
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM
914 PM EST Wed Nov 20 2024

GALE WARNING IN EFFECT UNTIL 8 AM EST THURSDAY

SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EST THURSDAY THROUGH LATE FRIDAY NIGHT

REST OF TONIGHT
Northwest winds 20 to 25 knots, increasing to 25 to 30 knots. Gusts near 35 knots tonight. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 8 feet, occasionally to 10 feet. Wave Detail: West 5 feet at 5 seconds and east 2 feet at 11 seconds, becoming northwest 7 feet at 6 seconds and east 2 feet at 11 seconds.

THURSDAY
Northwest winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 7 feet at 6 seconds and northeast 2 feet at 10 seconds.

THURSDAY NIGHT
Northwest winds around 25 knots with gusts up to 35 knots possible. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 7 feet at 6 seconds and northeast 2 feet at 10 seconds.

FRIDAY
Northwest winds 20 to 25 knots. Gusts up to 35 knots in the morning possible. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 7 feet at 6 seconds.

FRIDAY NIGHT
Northwest winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 6 feet at 6 seconds.

SATURDAY
Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 6 seconds.

SATURDAY NIGHT
Northwest winds 10 to 15 knots. Seas 2 to 3 feet.

SUNDAY THROUGH MONDAY
Southwest winds 10 to 15 knots. Seas around 2 feet.