AMZ400-180015-
 Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
 510 AM EDT Sat Oct 17 2026
 
 
 .SYNOPSIS...
 
 A cold front will move southeast across the area waters early this
 morning, with strong high pressure building behind it. An area of
 low pressure is expected to develop to the northeast of the region
 over the weekend. The gradient between high pressure, and the low
 will produce moderately strong flow across area waters beginning
 around 6 AM today and strengthen with rapidly building seas also
 expected. Gale Force winds will develop this afternoon, and continue
 into early next week.
 
 .GULF STREAM...
 
 The approximate location of the west wall of the Gulf Stream as of
 Oct 16, 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.
 68 nautical miles east southeast of St Simons Island.
 
 This data derived from NCEP Global RTOFS model.
 
 $$




 
 AMZ470-472-474-180015-
 Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
 60 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-
 510 AM EDT Sat Oct 17 2026
 
 SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
 GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
 LATE MONDAY NIGHT
 

 TODAY
 Northwest winds 20 to 25 knots, becoming north 25 to
 30 knots with gusts up to 40 knots this afternoon. Seas 4 to
 6 feet, occasionally to 8 feet, building to 6 to 9 feet,
 occasionally to 11 feet this afternoon. Wave Detail: Northwest
 6 feet at 5 seconds and southeast 2 feet at 4 seconds, becoming
 north 9 feet at 7 seconds and east 2 feet at 9 seconds. A slight
 chance of thunderstorms this morning. A chance of showers.

 TONIGHT
 Northeast winds 30 to 35 knots. Seas 9 to 12 feet,
 occasionally to 15 feet, building to 12 to 13 feet, occasionally
 to 17 feet after midnight. Wave Detail: North 12 feet at
 8 seconds and east 10 feet at 9 seconds, becoming northeast
 13 feet at 8 seconds. A slight chance of showers.

 SUNDAY
 Northeast winds 30 to 35 knots. Seas 11 to 14 feet,
 occasionally to 18 feet. Wave Detail: Northeast 14 feet at
 9 seconds. A chance of showers.

 SUNDAY NIGHT
 Northeast winds 30 to 35 knots. Seas 13 to
 15 feet, occasionally to 19 feet. Wave Detail: Northeast 14 feet
 at 11 seconds. A chance of showers, mainly in the evening.

 MONDAY
 North winds 25 to 30 knots. Seas 12 to 15 feet,
 occasionally to 19 feet. Wave Detail: Northeast 14 feet at
 11 seconds. A chance of showers.

 MONDAY NIGHT
 North winds 25 to 30 knots, diminishing to 20 to
 25 knots after midnight. Seas 10 to 14 feet, occasionally to
 18 feet. Wave Detail: Northeast 14 feet at 14 seconds and
 northeast 3 feet at 8 seconds. A slight chance of showers in the
 evening.

 TUESDAY
 North winds 20 to 25 knots. Seas 8 to 11 feet,
 occasionally to 14 feet, subsiding to 7 to 9 feet, occasionally
 to 11 feet after midnight.

 WEDNESDAY
 North winds 20 to 25 knots. Seas 7 to 9 feet,
 occasionally to 11 feet. A slight chance of showers through the
 day.
 
 Winds and seas higher in and near thunderstorms.
 
 $$