437
FZUS52 KJAX 120626
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
226 AM EDT SAT SEP 12 2026
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.
AMZ400-122100-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
226 AM EDT SAT SEP 12 2026
SYNOPSIS
WEAKENING HIGH PRESSURE SOUTH OF THE AREA WILL MAINTAIN SOUTH TO
SOUTHWEST WINDS AND AFTERNOON SEA BREEZES THROUGH THE WEEKEND. DAILY
MID TO LATE AFTERNOON THUNDERSTORMS WILL MOVE OFFSHORE, BRINGING
LOCALLY STRONG WIND GUSTS AND FREQUENT LIGHTNING AT TIMES. ON
TUESDAY, HIGH PRESSURE RIDGE WILL PUSH SOUTH ALONG THE EAST COAST
AND PUSH A COLD FRONT SOUTH THROUGH THE AREA WATERS, CREATING
STRENGTHENING NORTHEAST WINDS AND BUILDING SEAS. THIS MAY LEAD TO A
SMALL CRAFT ADVISORY FOR PORTIONS OF THE COASTAL WATERS STARTING
TUESDAY AND MAY CONTINUE INTO WEDNESDAY AND THURSDAY.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 11, 2026 AT 0000 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
53 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
64 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
76 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-122100-
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-
226 AM EDT SAT SEP 12 2026
REST OF TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
10 TO 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 5 SECONDS AND EAST 2 FEET AT 8 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 4 SECONDS AND EAST 2 FEET AT 8 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT
8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING WEST AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
9 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
MONDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
9 SECONDS. INTRACOASTAL WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
MONDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST
AFTER MIDNIGHT. SEAS AROUND 2 FEET. INTRACOASTAL WATERS LIGHT
CHOP.
TUESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 2 TO 3 FEET,
BUILDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. INTRACOASTAL
WATERS ROUGH. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. A
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON,
THEN A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT.
WEDNESDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 5 TO 8 FEET,
OCCASIONALLY TO 10 FEET. INTRACOASTAL WATERS VERY ROUGH. A SLIGHT
CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-122100-
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-
226 AM EDT SAT SEP 12 2026
REST OF TONIGHT
SOUTH 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.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
8 SECONDS AND SOUTH 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS AROUND 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET
AT 8 SECONDS AND SOUTH 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
8 SECONDS.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET
AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST IN
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
9 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST
AFTER MIDNIGHT. SEAS AROUND 2 FEET. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 2 TO 3 FEET,
BUILDING TO 5 TO 8 FEET, OCCASIONALLY TO 10 FEET. A CHANCE OF
SHOWERS. A CHANCE OF THUNDERSTORMS .
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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