675
FZUS52 KJAX 171322
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
922 AM EDT THU JUL 17 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.
AMZ400-180430-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
922 AM EDT THU JUL 17 2025
SYNOPSIS
ATLANTIC HIGH PRESSURE CENTERED NEAR BERMUDA WILL CONTINUE TO
EXTEND ITS AXIS WESTWARD ACROSS THE FLORIDA PENINSULA AS WEAK LOW
PRESSURE MOVES ONSHORE ALONG COASTAL LOUISIANA TODAY. THIS HIGH
PRESSURE CENTER WILL THEN SHIFT WESTWARD TOWARDS THE SOUTHEASTERN
SEABOARD ON FRIDAY 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 ON SUNDAY, WITH THIS FEATURE POTENTIALLY
SHARPENING NEAR OUR LOCAL WATERS EARLY NEXT WEEK. CHANCES FOR
SHOWERS AND THUNDERSTORMS WILL INCREASE BEGINNING LATE SUNDAY
AFTERNOON.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
JUL 15, 2025 AT 1200 UTC...
60 NAUTICAL MILES EAST NORTHEAST OF FLAGLER BEACH.
59 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
61 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
66 NAUTICAL MILES EAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-452-454-180430-
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-
922 AM EDT THU JUL 17 2025
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
AROUND 15 KNOTS THIS AFTERNOON. SEAS AROUND 3 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 6 SECONDS. INTRACOASTAL WATERS BECOMING A
MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE
THIS AFTERNOON.
TONIGHT
SOUTH WINDS AROUND 15 KNOTS, DIMINISHING TO AROUND 10
KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3
FEET AT 6 SECONDS. INTRACOASTAL WATERS BECOMING A LIGHT CHOP. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST AROUND 15
KNOTS DURING THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 7 SECONDS. INTRACOASTAL WATERS BECOMING A
MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS AROUND 15 KNOTS, BECOMING SOUTHWEST 5
TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS BECOMING MOSTLY
SMOOTH. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING.
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. A SLIGHT 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 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS BECOMING MOSTLY
SMOOTH.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS DURING THE AFTERNOON. SEAS 2 TO 3 FEET. INTRACOASTAL
WATERS BECOMING A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON.
SUNDAY NIGHT AND MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING
SOUTHEAST 10 TO 15 KNOTS DURING THE AFTERNOON. SEAS AROUND 2
FEET. INTRACOASTAL WATERS BECOMING A LIGHT CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-180430-
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-
922 AM EDT THU JUL 17 2025
REST OF TODAY
SOUTH SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
AROUND 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS AND SOUTH 2 FEET AT 4
SECONDS.
FRIDAY AND FRIDAY NIGHT
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 IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 8
SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS AROUND 10 KNOTS. SEAS 2 TO 3
FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS AND SOUTH 2 FEET
AT 3 SECONDS.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH SOUTHWEST
AND INCREASING TO 10 TO 15 KNOTS DURING THE EVENING. SEAS 2 TO 3
FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN A
CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE AFTERNOON AND
EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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