843
FZUS52 KJAX 181445
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1045 AM EDT FRI JUL 18 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.
AMZ400-190545-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
1045 AM EDT FRI JUL 18 2025
SYNOPSIS
HIGH PRESSURE CENTERED OFF THE SOUTHEASTERN SEABOARD WILL SHIFT
SLOWLY WESTWARD TOWARDS OUR LOCAL WATERS TONIGHT AND SATURDAY.
ONLY ISOLATED LATE AFTERNOON AND EVENING THUNDERSTORMS ARE
POSSIBLE ACROSS THE NEAR SHORE WATERS THROUGH SATURDAY. TROUGHING
WILL THEN DEVELOP ON SUNDAY OVER THE SOUTHEASTERN STATES, WITH
THIS FEATURE POTENTIALLY SHARPENING NEAR OUR LOCAL WATERS EARLY
NEXT WEEK. CHANCES FOR SHOWERS AND THUNDERSTORMS WILL INCREASE
BEGINNING LATE SUNDAY AFTERNOON, WITH STRONG TO ISOLATED SEVERE
AFTERNOON AND EVENING THUNDERSTORMS POTENTIALLY IMPACTING OUR
LOCAL WATERS EACH DAY NEXT WEEK.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
JUL 17, 2025 AT 1200 UTC...
64 NAUTICAL MILES EAST OF FLAGLER BEACH.
73 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
82 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
68 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-452-454-190545-
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-
1045 AM EDT FRI JUL 18 2025
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
EARLY THIS AFTERNOON AND INCREASING TO AROUND 15 KNOTS LATE THIS
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 7
SECONDS. INTRACOASTAL WATERS A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON.
TONIGHT
SOUTH WINDS AROUND 15 KNOTS THIS EVENING, BECOMING
SOUTHWEST AND DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT. SEAS
2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS.
INTRACOASTAL WATERS BECOMING MOSTLY SMOOTH.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10
TO 15 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS BECOMING A
LIGHT CHOP.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 8 SECONDS AND SOUTH 2 FEET AT 4 SECONDS.
INTRACOASTAL WATERS BECOMING MOSTLY SMOOTH.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST AROUND 10
KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS BECOMING A
LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS AND SOUTHEAST 2 FEET AT
8 SECONDS. INTRACOASTAL WATERS A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST AROUND
10 KNOTS DURING THE AFTERNOON. SEAS AROUND 2 FEET. INTRACOASTAL
WATERS BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS DURING THE AFTERNOON AND EVENING.
MONDAY NIGHT AND TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS,
BECOMING EAST AROUND 10 KNOTS DURING THE AFTERNOON. SEAS AROUND 2
FEET. INTRACOASTAL WATERS BECOMING A LIGHT CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND
THUNDERSTORMS LIKELY IN THE AFTERNOON.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-190545-
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-
1045 AM EDT FRI JUL 18 2025
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 8 SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS AND SOUTH 2 FEET
AT 3 SECONDS.
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 AND SOUTHWEST 2 FEET AT 4 SECONDS.
SUNDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. 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.
MONDAY THROUGH TUESDAY
SOUTH SOUTHWEST WINDS 10 TO 15 KNOTS.
SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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