AMZ450 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- 248 Am Edt Sun May 19 2024
Today..West winds 5 to 10 knots, becoming south this afternoon. Seas 2 to 3 feet. Wave detail: southwest 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of Thunderstorms this morning, then a chance of Thunderstorms this afternoon.
Tonight..North winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. Showers and Thunderstorms likely, mainly in the evening.
Monday..Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 5 seconds. Intracoastal waters a moderate chop. Scattered showers with a slight chance of Thunderstorms.
Monday night..Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of Thunderstorms in the evening. Isolated showers.
Tuesday..Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers, mainly in the morning.
Tuesday night..Northeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: northeast 4 feet at 8 seconds. Intracoastal waters light chop.
Wednesday through Thursday..South winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop.
winds and waves higher in and near Thunderstorms.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 248 Am Edt Sun May 19 2024
Synopsis..
a slow moving cold front will stall over the coastal waters today with numerous showers and Thunderstorms late this afternoon into the early evening hours. Some of these storms may contain strong gusty winds and heavy downpours. Westerly winds will turn southerly this afternoon due to the atlantic seabreeze and then become breezy from the north and northeast overnight into Monday as a secondary cold front pushes south of the waters and high pressure Wedges down from the mid atlantic coast against a low pressure over the western atlantic waters through early next week. High pressure builds directly over the waters during the middle part of next week.

Gulf stream..
the approximate location of the west wall of the gulf stream as of may 18, 2024 at 1200 utc...
64 nautical miles east of flagler beach. 73 nautical miles east of saint augustine beach. 82 nautical miles east of jacksonville beach. 101 nautical miles east southeast of st simons island.
this data courtesy of the naval oceanographic office.