143
FZUS52 KJAX 211510
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1110 AM EDT THU MAY 21 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.
AMZ400-220615-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
1110 AM EDT THU MAY 21 2026
SYNOPSIS
HIGH PRESSURE WILL BE CENTERED TO THE EAST NORTHEAST THIS WEEK AND
THROUGH THE WEEKEND. MAINLY SOUTHEAST FLOW WILL CONTINUE THROUGH THE
PERIOD WITH A DAILY SEA BREEZE NEAR THE ATLANTIC COAST. WINDS MAY
MEET SMALL CRAFT EXERCISE CAUTION CRITERIA IN THE LATE AFTERNOON
AND EVENING FROM FRIDAY THROUGH MONDAY.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
MAY 20, 2026 AT 0000 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
58 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
70 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-220615-
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-
1110 AM EDT THU MAY 21 2026
REST OF TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO
10 TO 15 KNOTS THIS AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 9 SECONDS. INTRACOASTAL
WATERS A MODERATE CHOP.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
9 SECONDS AND SOUTHEAST 3 FEET AT 5 SECONDS. INTRACOASTAL WATERS
A MODERATE CHOP.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 9 SECONDS AND SOUTHEAST
3 FEET AT 5 SECONDS. INTRACOASTAL WATERS CHOPPY.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 8 SECONDS AND SOUTHEAST
3 FEET AT 5 SECONDS. INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE
OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN
A CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS.
SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST
4 FEET AT 8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
5 SECONDS AND SOUTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL WATERS
CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE
DAY.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS CHOPPY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-220615-
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-
1110 AM EDT THU MAY 21 2026
REST OF TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
10 TO 15 KNOTS THIS AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 9 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE THIS MORNING.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
9 SECONDS AND SOUTHEAST 3 FEET AT 4 SECONDS.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
9 SECONDS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
8 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
8 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page