330
FZUS52 KJAX 131254
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
854 AM EDT SAT SEP 13 2025
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.
AMZ400-140400-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
854 AM EDT SAT SEP 13 2025
SYNOPSIS
MODERATE TO STRONG NORTHEAST WINDS AND ROUGH SEAS EXPECTED THIS
WEEKEND AS AN AREA OF LOW PRESSURE DEVELOPS OVER THE WESTERN
ATLANTIC AND HIGH PRESSURE WEDGES DOWN THE SOUTHEASTERN SEABOARD.
SMALL CRAFT ADVISORY CONDITIONS EXPECTED TO CONTINUE THROUGH AT
LEAST SUNDAY EVENING. A FEW GALE FORCE GUSTS ARE EXPECTED OVER
AREA WATERS THROUGH TONIGHT. SHOWERS AND A FEW EMBEDDED THUNDERSTORMS
WILL ALSO INCREASE ACROSS OUR LOCAL WATERS THIS WEEKEND. THE WEAK
LOW PRESSURE SYSTEM WILL LIFT NORTHWARD ACROSS THE GULF STREAM
WATERS OFF THE SOUTHEASTERN SEABOARD EARLY NEXT WEEK, KEEPING
BREEZY NORTHEASTERLY WINDS, ELEVATED SEAS, AND CHANCES FOR SHOWERS
AND THUNDERSTORMS IN PLACE ACROSS OUR REGION.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 11, 2025 AT 1200 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
59 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
75 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
78 NAUTICAL MILES EAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-452-454-140400-
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-
854 AM EDT SAT SEP 13 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
NORTHEAST WINDS 20 TO 25 KNOTS WITH OCCASIONAL
GUSTS UP TO 35 KNOTS. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET.
WAVE DETAIL: NORTHEAST 7 FEET AT 7 SECONDS. INTRACOASTAL WATERS
ROUGH. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TONIGHT
NORTHEAST WINDS 20 TO 25 KNOTS WITH OCCASIONAL GUSTS
UP TO 35 KNOTS, DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS
5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 7
FEET AT 8 SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 8 SECONDS. INTRACOASTAL
WATERS ROUGH. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY
NORTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING. A SLIGHT CHANCE OF SHOWERS.
TUESDAY THROUGH WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A MODERATE
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-140400-
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-
854 AM EDT SAT SEP 13 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
NORTHEAST WINDS 20 TO 25 KNOTS WITH OCCASIONAL
GUSTS UP TO 35 KNOTS. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET.
WAVE DETAIL: NORTHEAST 8 FEET AT 8 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS THIS MORNING, THEN SHOWERS
LIKELY THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 20 TO 25 KNOTS WITH OCCASIONAL GUSTS
UP TO 35 KNOTS, DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS
6 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 8
FEET AT 8 SECONDS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS AROUND 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 8 SECONDS. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
MONDAY AND MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS
4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST
5 FEET AT 8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
TUESDAY THROUGH WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
9 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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