AMZ400-132045-
 Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
 135 AM EDT Tue Oct 13 2026
 
 
 .SYNOPSIS...
 
 A high pressure system over the southeast states will slowly move
 east, and push well offshore by Thursday night and Friday. A strong
 cold front will cross the local waters late Friday night through
 Saturday morning, followed by building high pressure well to the
 north. Lighter winds and seas will continue through at least
 Thursday. Deteriorating marine conditions expected Friday night and
 into the weekend with Small Craft Advisories likely and potential
 for Gale conditions.
 
 
 .GULF STREAM...
 
 The approximate location of the west wall of the Gulf Stream as of
 Oct 12, 2026 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.
 81 nautical miles east southeast of St Simons Island.
 
 This data derived from NCEP Global RTOFS model.
 
 
 $$




 
 AMZ450-452-454-132045-
 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-
 135 AM EDT Tue Oct 13 2026
 

 TODAY
 Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
 Detail: North 2 feet at 6 seconds. Intracoastal waters light
 chop.

 TONIGHT
 Northeast winds 5 to 10 knots, diminishing to around
 5 knots after midnight. Seas around 2 feet. Wave Detail:
 Northeast 2 feet at 6 seconds. Intracoastal waters light chop.

 WEDNESDAY
 Northeast winds 5 to 10 knots. Seas around 2 feet.
 Wave Detail: East 2 feet at 7 seconds. Intracoastal waters light
 chop.

 WEDNESDAY NIGHT
 East winds around 5 knots. Seas around 2 feet.
 Wave Detail: East 2 feet at 7 seconds. Intracoastal waters
 smooth.

 THURSDAY
 East winds 5 to 10 knots. Seas around 2 feet. Wave
 Detail: East 2 feet at 7 seconds. Intracoastal waters light chop.

 THURSDAY NIGHT
 Southeast winds 5 to 10 knots, becoming south
 after midnight. Seas around 2 feet. Wave Detail: East 2 feet at
 7 seconds. Intracoastal waters light chop.

 FRIDAY
 Northwest winds around 5 knots, becoming west 25 to
 30 knots. Seas 2 to 3 feet. Intracoastal waters very rough.

 SATURDAY
 Northeast winds 25 to 35 knots. Seas 4 to 6 feet,
 occasionally to 8 feet, building to 9 to 13 feet, occasionally to
 17 feet. Intracoastal waters extremely rough. A slight chance of
 showers in the morning. A chance of showers. A slight chance of
 thunderstorms in the evening.
 
 Winds and waves higher in and near thunderstorms.
 
 $$