397
FZUS52 KJAX 221830
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
230 PM EDT WED JUL 22 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.
AMZ400-230900-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
230 PM EDT WED JUL 22 2026
SYNOPSIS
SOUTHERLY WINDS WILL SHIFT TO SOUTHEASTERLY THIS AFTERNOON, WITH
SPEEDS AGAIN INCREASING TO CAUTION LEVELS BOTH NEAR SHORE AND
OFFSHORE TOWARDS SUNSET. SOUTHERLY WINDS WILL LIKELY REMAIN
SUSTAINED AT CAUTION LEVELS THROUGH AROUND MIDNIGHT TONIGHT. WINDS
WILL THEN GRADUALLY DIMINISH OVERNIGHT AND THURSDAY AS HIGH PRESSURE
BUILDS DIRECTLY OVER OUR LOCAL WATERS. UNSEASONABLY DRY CONDITIONS
WILL PREVAIL THROUGH FRIDAY NIGHT. A FRONTAL BOUNDARY WILL THEN
STALL JUST NORTH OF THE GEORGIA WATERS THIS WEEKEND, WITH THIS
FEATURE POTENTIALLY INCREASING CHANCES FOR SHOWERS AND THUNDERSTORMS
THROUGH EARLY NEXT WEEK. PREVAILING WESTERLY WINDS ARE EXPECTED BY
SUNDAY AND MONDAY, WITH THE AFTERNOON SEA BREEZE SHIFTING WINDS
ACROSS THE NEAR SHORE WATERS TO SOUTHEASTERLY DURING THE AFTERNOON
HOURS.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
JUL 22, 2026 AT 0000 UTC...
42 NAUTICAL MILES EAST OF FLAGLER BEACH.
49 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
60 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-230900-
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-
230 PM EDT WED JUL 22 2026
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 2 AM EDT
THURSDAY...
REST OF TODAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
7 SECONDS. INTRACOASTAL WATERS CHOPPY.
TONIGHT
SOUTH WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS. INTRACOASTAL
WATERS CHOPPY.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 7 SECONDS. INTRACOASTAL WATERS A MODERATE
CHOP.
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 5 SECONDS AND SOUTHEAST 2 FEET AT 8 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS LIGHT
CHOP.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS LIGHT
CHOP.
SATURDAY THROUGH SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS
2 TO 3 FEET. INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-230900-
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-
230 PM EDT WED JUL 22 2026
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 2 AM EDT
THURSDAY...
REST OF TODAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
7 SECONDS.
TONIGHT
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTH 4 FEET AT 5 SECONDS
AND EAST 2 FEET AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 8 SECONDS.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 3 FEET.
WAVE DETAIL: EAST 3 FEET AT 8 SECONDS.
SATURDAY THROUGH SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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