AMZ454 Expires:202404202200;;055814 Fzus52 Kjax 200646 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 246 am edt Sat apr 20 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.
amz450-452-454-202200- 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- 246 am edt Sat apr 20 2024
Today..West winds 5 to 10 knots, becoming south near 10 knots in the afternoon. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters light chop.
Tonight..Southwest winds around 10 knots. Seas 2 to 3 feet with a dominant period 11 seconds. Intracoastal waters light chop. A slight chance of showers and Thunderstorms in the evening.
Sunday..Southwest winds 5 to 10 knots, becoming west 10 to 15 knots in the afternoon. Seas 2 to 3 feet with a dominant period 10 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of Thunderstorms in the afternoon.
Sunday night..North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet with a dominant period 4 seconds. Intracoastal waters choppy. Showers likely with a chance of Thunderstorms in the evening, then a chance of showers with a slight chance of Thunderstorms after midnight.
Monday..North winds 15 to 20 knots. Seas 3 to 5 feet with a dominant period 5 seconds. Intracoastal waters choppy. A chance of showers. A slight chance of Thunderstorms in the afternoon.
Monday night..North winds 15 to 20 knots. Seas 4 to 6 feet with a dominant period 6 seconds. Intracoastal waters choppy. A slight chance of showers and Thunderstorms in the evening.
Tuesday..Northeast winds 10 to 15 knots. Seas 4 to 6 feet.
Tuesday night..East winds 5 to 10 knots. Seas 3 to 5 feet.
Wednesday..Northwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas 3 to 4 feet.
Wednesday night..South winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet.
winds and waves higher in and near Thunderstorms.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 246 Am Edt Sat Apr 20 2024
Synopsis..
a weak cold front will approach from the north today and tonight. The front will move into area waters by early Sunday. The front will begin to accelerate southward Sunday through Monday. Scattered Thunderstorms will accompany the frontal passage late this weekend. A surge of north to northeast winds will follow behind the front by Sunday night and continue Monday, then weaken and turn onshore Tuesday and Wednesday as high pressure then builds across area waters once again.
a period of small craft advisory conditions will be possible beginning as early as Sunday night.
Gulf stream..
the approximate location of the west wall of the gulf stream as of apr 13, 2024 at 1200 utc...
69 nautical miles east northeast of flagler beach. 73 nautical miles east of saint augustine beach. 85 nautical miles east southeast of jacksonville beach. 103 nautical miles east southeast of st simons island.
this data courtesy of the naval oceanographic office.