


Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
298 FZUS52 KJAX 060651 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 251 AM EDT Sun Apr 6 2025 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. AMZ400-062200- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 251 AM EDT Sun Apr 6 2025 .SYNOPSIS... Increased south to southeast winds and building seas are expected to bring Small Craft Advisory conditions to portions of the coastal waters later today into this evening. Showers and thunderstorms will then traverse our local waters from late Monday afternoon through early Tuesday morning as a cold front moves through area waters. A few strong storms will be possible on Monday evening along this front. Winds will then shift to northwest late Monday night, north on Tuesday afternoon, and northeast on Tuesday night and Wednesday. Small Craft Advisory conditions are possible over our local waters by midweek as onshore winds strengthen. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Apr 05, 2025 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. 90 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ452-454-062200- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 251 AM EDT Sun Apr 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING... .TODAY...South winds 15 to 20 knots, increasing to 20 knots and gusty this afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. .TONIGHT...South winds 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters choppy. .MONDAY...South winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds and east 2 feet at 9 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon. .MONDAY NIGHT...West winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds and northwest 3 feet at 4 seconds. Intracoastal waters choppy. A chance of thunderstorms in the evening. Showers likely. .TUESDAY...North winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest 3 feet at 4 seconds and southeast 3 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters choppy. .WEDNESDAY THROUGH THURSDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters choppy. A slight chance of showers. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-062200- 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- 251 AM EDT Sun Apr 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...South winds 15 to 20 knots, increasing to 20 knots and gusty in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds and southeast 5 feet at 9 seconds. .TONIGHT...South winds 20 knots, becoming 15 to 20 knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 5 feet at 6 seconds and east 2 feet at 9 seconds. .MONDAY...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds and southeast 3 feet at 9 seconds. A slight chance of showers in the afternoon. .MONDAY NIGHT...West winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds and west 3 feet at 4 seconds. Showers likely. A chance of thunderstorms, mainly in the evening. .TUESDAY...Northwest winds 15 to 20 knots, becoming north 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 5 seconds and southeast 3 feet at 7 seconds. A chance of showers, mainly in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 4 seconds and east 2 feet at 8 seconds. A slight chance of showers after midnight. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 8 feet, occasionally to 10 feet. A slight chance of showers in the morning, then a chance of showers. A slight chance of thunderstorms in the evening. .THURSDAY...East winds 10 to 15 knots, becoming southeast. Seas 5 to 8 feet, occasionally to 10 feet, subsiding to 4 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ AMZ450-062200- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 251 AM EDT Sun Apr 6 2025 ...SMALL CRAFT EXERCISE CAUTION... .TODAY...South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 8 seconds. Intracoastal waters choppy. .TONIGHT...South winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds and southeast 2 feet at 10 seconds. Intracoastal waters choppy. .MONDAY...South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Intracoastal waters choppy. A chance of showers in the afternoon. .MONDAY NIGHT...Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds and west 2 feet at 3 seconds. Intracoastal waters choppy. A chance of thunderstorms in the evening. Showers. .TUESDAY AND TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at 6 seconds. Intracoastal waters a moderate chop. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. Intracoastal waters choppy. A slight chance of showers in the evening. .THURSDAY...East winds 5 to 10 knots, becoming south. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$