AMZ400-272100-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
227 AM EDT Mon Apr 27 2026
.SYNOPSIS...
A cold front will pass south of the coastal waters this morning as a
brief surge of northeasterly winds develops in its wake. Exercise
Caution to marginal Small Craft Advisory conditions expected this
morning into evening. Winds subside and shift to easterly on Tuesday
as weak high pressure builds across the eastern seaboard. Winds
shift to south-southwesterly for mid to late week with the next
frontal passage.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Apr 26, 2026 at 0000 UTC...
50 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.
$$
AMZ454-272100- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 227 AM EDT Mon Apr 27 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS AFTERNOON REST OF TONIGHT Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters a moderate chop. MONDAY Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds. Intracoastal waters choppy. MONDAY NIGHT Northeast winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 8 seconds. Intracoastal waters a moderate chop. TUESDAY East winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. Intracoastal waters light chop. TUESDAY NIGHT AND WEDNESDAY Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 9 seconds and southeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at 11 seconds. Intracoastal waters a moderate chop. THURSDAY West winds 5 to 10 knots, becoming northeast 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. FRIDAY East winds 10 to 15 knots, becoming south 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$
AMZ454-272100- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 227 AM EDT Mon Apr 27 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS AFTERNOON REST OF TONIGHT Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters a moderate chop. MONDAY Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds. Intracoastal waters choppy. MONDAY NIGHT Northeast winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 8 seconds. Intracoastal waters a moderate chop. TUESDAY East winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. Intracoastal waters light chop. TUESDAY NIGHT AND WEDNESDAY Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 9 seconds and southeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. WEDNESDAY NIGHT Southwest winds 10 to 15 knots, becoming west after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at 11 seconds. Intracoastal waters a moderate chop. THURSDAY West winds 5 to 10 knots, becoming northeast 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. FRIDAY East winds 10 to 15 knots, becoming south 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$