637
FZUS52 KJAX 220142
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
942 PM EDT MON JUL 21 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.
AMZ400-221645-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
942 PM EDT MON JUL 21 2025
SYNOPSIS
A TROUGH WILL PERSIST OVER THE AREA ON TUESDAY AS A COLD FRONT
SLOWLY APPROACHES FROM THE NORTH THROUGH THE DAY. WEAK LOW PRESSURE
MAY DEVELOP NEAR OUR LOCAL WATERS ON TUESDAY, WITH COVERAGE OF
SHOWERS AND THUNDERSTORMS INCREASING THROUGHOUT OUR LOCAL WATERS.
STRONG TO ISOLATED SEVERE THUNDERSTORMS MAY DEVELOP ON TUESDAY
AND WEDNESDAY, WITH STRONG WIND GUSTS, FREQUENT LIGHTNING STRIKES,
AND TORRENTIAL DOWNPOURS POSSIBLE. WEAK LOW PRESSURE SHOULD SHIFT
TO THE WEST OF OUR AREA BY LATE IN THE WEEK, ALLOWING FOR ATLANTIC
HIGH PRESSURE TO BUILD WESTWARD TOWARDS OUR LOCAL WATERS. COVERAGE
OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO DECREASE BY THE
WEEKEND AS SOUTH-SOUTHEASTERLY WINDS PREVAIL.
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.
AMZ450-452-454-221645-
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-
942 PM EDT MON JUL 21 2025
REST OF TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS AND SOUTHEAST 2
FEET AT 8 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH
2 FEET AT 4 SECONDS AND SOUTHEAST 2 FEET AT 8 SECONDS.
INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
MONDAY NIGHT
SOUTHWEST WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 8 SECONDS. INTRACOASTAL
WATERS LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY
IN THE EVENING.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS, MAINLY IN THE EVENING.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF SHOWERS IN THE
MORNING. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY IN THE
AFTERNOON, THEN A CHANCE OF SHOWERS IN THE EVENING. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-221645-
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-
942 PM EDT MON JUL 21 2025
REST OF TONIGHT
WEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS AND SOUTHEAST 2 FEET AT
8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
MONDAY
WEST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO 20 KNOTS
IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHWEST 2 FEET
AT 4 SECONDS AND SOUTHEAST 2 FEET AT 8 SECONDS. A SLIGHT CHANCE
OF THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
MONDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT 3 SECONDS AND SOUTHEAST
2 FEET AT 8 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT
CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
TUESDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: WEST 2 FEET AT
3 SECONDS AND EAST 2 FEET AT 8 SECONDS. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 8 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS AND SOUTHEAST 2 FEET AT
8 SECONDS. SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
THURSDAY THROUGH FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO
3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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