AMZ400-310945-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
145 PM EST Tue Dec 30 2025
.SYNOPSIS...
Strong high pressure building eastward from Texas will slowly
weaken as it pushes eastward across the Gulf on Wednesday night
and Thursday, becoming centered over south Florida by Friday.
Gusty westerly winds will keep Caution conditions in place across
most of our local waters through Thursday. Winds will then shift
to southwesterly while briefly diminishing on Friday afternoon and
evening. Weak low pressure developing over the lower Mississippi
Valley on Friday will shift eastward across the southeastern
states on Saturday, moving offshore on Saturday night. This storm
system will bring showers and a few embedded thunderstorms to our
area on Saturday and Saturday night, along with Small Craft
Advisory conditions for the offshore waters. Breezy northerly
winds are then forecast in the wake of this storm system on
Sunday and Sunday night.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Dec 30, 2025 at 0000 UTC...
54 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ472-474-310945- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 145 PM EST Tue Dec 30 2025 SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH WEDNESDAY AFTERNOON TONIGHT Northwest winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 7 seconds. WEDNESDAY Northwest winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 5 seconds and northeast 3 feet at 8 seconds. WEDNESDAY NIGHT West winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 5 seconds and northeast 2 feet at 8 seconds. THURSDAY West winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 5 seconds. THURSDAY NIGHT THROUGH FRIDAY NIGHT West southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 4 feet at 4 seconds. SATURDAY AND SATURDAY NIGHT Southwest winds 20 to 25 knots, m becoming northwest after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southwest 5 feet at 5 seconds. Showers likely with a slight chance of thunderstorms through around midnight. A chance of showers after midnight. SUNDAY North winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers in the morning. Winds and seas higher in and near thunderstorms. $$
AMZ472-474-310945- 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- 145 PM EST Tue Dec 30 2025 SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH WEDNESDAY AFTERNOON TONIGHT Northwest winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 7 seconds. WEDNESDAY Northwest winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 5 seconds and northeast 3 feet at 8 seconds. WEDNESDAY NIGHT West winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 5 seconds and northeast 2 feet at 8 seconds. THURSDAY West winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 5 seconds. THURSDAY NIGHT THROUGH FRIDAY NIGHT West southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 4 feet at 4 seconds. SATURDAY AND SATURDAY NIGHT Southwest winds 20 to 25 knots, m becoming northwest after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southwest 5 feet at 5 seconds. Showers likely with a slight chance of thunderstorms through around midnight. A chance of showers after midnight. SUNDAY North winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers in the morning. Winds and seas higher in and near thunderstorms. $$