Hazardous marine condition(s):
Small Craft Advisory
AMZ400-190530-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1028 AM EDT Wed Mar 18 2026
.SYNOPSIS...
Winds become north-northeast this morning as high pressure shifts
northeastward towards the Mid-Atlantic coast. This strengthening
high pressure center will wedge down the southeastern seaboard,
creating another round of Small Craft Advisory conditions over the
Northeast Florida waters later tonight and Thursday. Winds and seas
are expected to diminish by Friday as high pressure center builds
into the region and settles over the local waters this weekend.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Mar 17, 2026 at 0000 UTC...
46 nautical miles east of Flagler Beach.
53 nautical miles east of Saint Augustine Beach.
64 nautical miles east southeast of Jacksonville Beach.
76 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ452-454-472-474-190530- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 1028 AM EDT Wed Mar 18 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON REST OF TODAY North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 4 feet at 5 seconds and east 3 feet at 9 seconds. Intracoastal waters choppy. TONIGHT North winds 15 to 20 knots, becoming 20 to 25 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:North 5 feet at 5 seconds and east 4 feet at 9 seconds. Intracoastal waters choppy. A slight chance of showers after midnight. THURSDAY North winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 6 seconds and east 6 feet at 10 seconds. Intracoastal waters choppy. A slight chance of showers in the morning. THURSDAY NIGHT North winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 9 seconds and northeast 4 feet at 7 seconds. Intracoastal waters a moderate chop. FRIDAY North winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 9 seconds and north 3 feet at 8 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT East winds 5 to 10 knots, becoming west after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 9 seconds and north 2 feet at 8 seconds. Intracoastal waters light chop. SATURDAY THROUGH SUNDAY Southwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. $$
AMZ452-454-472-474-190530- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 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- 1028 AM EDT Wed Mar 18 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON REST OF TODAY North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 4 feet at 5 seconds and east 3 feet at 9 seconds. Intracoastal waters choppy. TONIGHT North winds 15 to 20 knots, becoming 20 to 25 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:North 5 feet at 5 seconds and east 4 feet at 9 seconds. Intracoastal waters choppy. A slight chance of showers after midnight. THURSDAY North winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 6 seconds and east 6 feet at 10 seconds. Intracoastal waters choppy. A slight chance of showers in the morning. THURSDAY NIGHT North winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 9 seconds and northeast 4 feet at 7 seconds. Intracoastal waters a moderate chop. FRIDAY North winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 9 seconds and north 3 feet at 8 seconds. Intracoastal waters a moderate chop. FRIDAY NIGHT East winds 5 to 10 knots, becoming west after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 9 seconds and north 2 feet at 8 seconds. Intracoastal waters light chop. SATURDAY THROUGH SUNDAY Southwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. $$