National Weather Service Marine Forecast FZUS52 KJAX

FZUS52 KJAX 101428 CWFJAX

Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 928 AM EST Tue Dec 10 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.

AMZ400-102215 Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm 928 AM EST Tue Dec 10 2024

SYNOPSIS

High pressure will move off to the east of the region through Tonight. A cold front will sweep southeast across the area Wednesday. High pressure will build from the west northwest Wednesday night through Thursday. Strong high pressure will build to the north northeast Friday through the weekend, with an inverted trough developing over the coastal waters.

Small Craft Advisory conditions expected to develop ahead of the frontal passage Tonight, which will continue behind front into Thursday morning. A period of Gales will be possible.

GULF STREAM

The approximate location of the west wall of the Gulf Stream as of Dec 07, 2024 at 1200 UTC…

60 nautical miles east northeast of Flagler Beach. 66 nautical miles east of Saint Augustine Beach. 75 nautical miles east of Jacksonville Beach. 81 nautical miles east southeast of St Simons Island.

This data courtesy of the Naval Oceanographic Office.

AMZ450-452-454-102215 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 928 AM EST Tue Dec 10 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING

REST OF TODAY South winds 5 to 10 knots, increasing to 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters a moderate chop.

TONIGHT South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Intracoastal waters choppy. Showers after midnight.

WEDNESDAY South winds 15 to 20 knots, becoming west 20 to 25 knots with gusts up to 35 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds and west 4 feet at 4 seconds. Intracoastal waters rough. A slight chance of thunderstorms. Showers.

WEDNESDAY NIGHT Northwest winds 20 to 25 knots with gusts up to 35 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 5 seconds and north 3 feet at 5 seconds. Intracoastal waters rough.

THURSDAY North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds and southeast 2 feet at 8 seconds. Intracoastal waters choppy.

THURSDAY NIGHT Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters choppy.

FRIDAY Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 7 feet, occasionally to 9 feet. Intracoastal waters rough.

SATURDAY Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal waters choppy. A slight chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

AMZ470-472-474-102215 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 Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM 928 AM EST Tue Dec 10 2024

SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON

REST OF TODAY South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds and east 2 feet at 9 seconds.

TONIGHT South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 5 feet at 6 seconds and east 2 feet at 9 seconds. A chance of showers after midnight.

WEDNESDAY South winds 20 to 25 knots, becoming west 25 to 30 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: South 7 feet at 7 seconds and west 5 feet at 5 seconds. Showers with a slight chance of thunderstorms.

WEDNESDAY NIGHT Northwest winds 25 to 30 knots, becoming north 20 to 25 knots after midnight. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 8 feet at 6 seconds and southeast 4 feet at 8 seconds.

THURSDAY North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: North 7 feet at 7 seconds and southeast 2 feet at 8 seconds, becoming north 6 feet at 6 seconds and southeast 2 feet at 8 seconds.

THURSDAY NIGHT Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds.

FRIDAY THROUGH SATURDAY Northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.