457
FZUS52 KJAX 230108
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
908 PM EDT TUE JUL 22 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.
AMZ400-231615-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
908 PM EDT TUE JUL 22 2025
SYNOPSIS
WEAK LOW PRESSURE DEVELOPING ALONG A STATIONARY FRONTAL BOUNDARY
NEAR THE SAVANNAH RIVER ENTRANCE IN SOUTHEAST GEORGIA WILL SHIFT
SOUTHWESTWARD ACROSS OUR LOCAL WATERS ON WEDNESDAY MORNING,
EMERGING OVER THE NORTHEASTERN GULF BY WEDNESDAY NIGHT. SHOWERS
AND THUNDERSTORMS MAY DEVELOP OVER THE OFFSHORE WATERS TONIGHT
NEAR THIS FEATURE, WITH ACTIVITY POTENTIALLY PUSHING TOWARDS THE
NEARSHORE WATERS EARLY ON WEDNESDAY MORNING. MEANWHILE, ATLANTIC
HIGH PRESSURE CENTERED TO THE SOUTH OF BERMUDA WILL BEGIN TO BUILD
WESTWARD TOWARDS OUR REGION, WITH PREVAILING ONSHORE WINDS
EXPECTED FROM WEDNESDAY THROUGH FRIDAY. THE STATIONARY FRONTAL
BOUNDARY LOCATED TO THE NORTH OF OUR WATERS WILL DISSIPATE ON
THURSDAY, WITH DECREASING CHANCES FOR SHOWERS AND THUNDERSTORMS
EXPECTED BY FRIDAY AS HIGH PRESSURE BECOMES CENTERED DIRECTLY OVER
OUR LOCAL WATERS BY SATURDAY. PREVAILING OFFSHORE WINDS WILL
DEVELOP BY SATURDAY NIGHT AS THIS HIGH PRESSURE CENTER SHIFTS
WESTWARD INTO THE NORTHEASTERN GULF, ALLOWING FOR TROUGHING TO
REDEVELOP OVER THE SOUTHEASTERN STATES LATE IN THE WEEKEND.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
JUL 19, 2025 AT 1200 UTC...
64 NAUTICAL MILES EAST OF FLAGLER BEACH.
74 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
82 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
78 NAUTICAL MILES EAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-452-454-231615-
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-
908 PM EDT TUE JUL 22 2025
REST OF TONIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING
EAST NORTHEAST AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS MOSTLY SMOOTH.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
EAST NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST
SOUTHEAST AND INCREASING TO 10 TO 15 KNOTS IN THE AFTERNOON. SEAS
AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.
INTRACOASTAL WATERS BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS AND EAST
2 FEET AT 8 SECONDS. INTRACOASTAL WATERS A LIGHT CHOP. A CHANCE
OF SHOWERS AND THUNDERSTORMS, MAINLY IN THE EVENING.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS. INTRACOASTAL WATERS A
MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 4 SECONDS AND EAST 2 FEET AT 7 SECONDS.
INTRACOASTAL WATERS BECOMING MOSTLY SMOOTH. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
FRIDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 7 SECONDS. INTRACOASTAL WATERS A LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. INTRACOASTAL WATERS MOSTLY
SMOOTH.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
AROUND 10 KNOTS DURING THE AFTERNOON. SEAS AROUND 2 FEET.
INTRACOASTAL WATERS BECOMING A LIGHT CHOP.
SATURDAY NIGHT AND SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS
AROUND 2 FEET. INTRACOASTAL WATERS MOSTLY SMOOTH. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-231615-
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-
908 PM EDT TUE JUL 22 2025
REST OF TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS AND SOUTHEAST 2 FEET AT
8 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS AND EAST 2 FEET AT 8
SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY IN THE
EVENING.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS AND EAST 2 FEET AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 8 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY AND FRIDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS
2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY THROUGH SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 2
TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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