359
FZUS52 KJAX 220922
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
522 AM EDT THU OCT 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.
AMZ400-230030-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
522 AM EDT THU OCT 22 2026
SYNOPSIS
THROUGH THE WEEKEND, HIGH PRESSURE RIDGE LOCATED TO THE NORTH OF THE
AREA WILL BUILD WHILE A TROUGH OF LOW PRESSURE DEVELOPS JUST SOUTH
OF THE BAHAMAS. THIS WILL CONTINUE TO SUPPORT HAZARDOUS MARINE
CONDITIONS ACROSS MOST OF THE AREA WATERS THROUGH TONIGHT. AS THE
PRESSURE GRADIENT TIGHTENS FURTHER ON FRIDAY, STRENGTHENING
NORTHEAST WINDS AND BUILDING SEAS ARE EXPECTED AND WILL CONTINUE
INTO THE WEEKEND AND EARLY NEXT WEEK. NORTHEAST WINDS TO GALE FORCE
MAY DEVELOP AS EARLY AS FRIDAY NIGHT AND BECOME LIKELY FOR THE
WEEKEND INTO EARLY NEXT WEEK. A SURGE OF MOISTURE THIS WEEKEND WILL
ALSO SUPPORT ELEVATED CHANCES FOR MODERATE TO HEAVY SHOWERS WHICH
LASTS FROM SATURDAY THROUGH MONDAY.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
OCT 21, 2026 AT 0000 UTC...
58 NAUTICAL MILES EAST OF FLAGLER BEACH.
62 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
74 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
80 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-230030-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
522 AM EDT THU OCT 22 2026
TODAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT 12 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: EAST 5 FEET AT 13 SECONDS. INTRACOASTAL
WATERS A MODERATE CHOP.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET, BUILDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET IN THE
AFTERNOON. WAVE DETAIL: NORTHEAST 5 FEET AT 12 SECONDS, BECOMING
NORTHEAST 6 FEET AT 8 SECONDS. INTRACOASTAL WATERS ROUGH.
FRIDAY NIGHT
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET. WAVE DETAIL: NORTHEAST 9 FEET AT
7 SECONDS. INTRACOASTAL WATERS VERY ROUGH. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS WITH GUSTS UP TO
45 KNOTS. SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET. WAVE
DETAIL: NORTHEAST 11 FEET AT 8 SECONDS. INTRACOASTAL WATERS VERY
ROUGH. SHOWERS LIKELY.
SATURDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS WITH GUSTS UP
TO 45 KNOTS. SEAS 9 TO 12 FEET, OCCASIONALLY TO 15 FEET. WAVE
DETAIL: NORTHEAST 12 FEET AT 9 SECONDS. INTRACOASTAL WATERS VERY
ROUGH. A CHANCE OF SHOWERS IN THE EVENING.
SUNDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO 12 FEET,
OCCASIONALLY TO 15 FEET. INTRACOASTAL WATERS VERY ROUGH. A CHANCE
OF SHOWERS THROUGH THE DAY, THEN A SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
MONDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO 12 FEET,
OCCASIONALLY TO 15 FEET, SUBSIDING TO 7 TO 10 FEET, OCCASIONALLY
TO 13 FEET AFTER MIDNIGHT. INTRACOASTAL WATERS VERY ROUGH. A
SLIGHT CHANCE OF SHOWERS.
AMZ452-454-230030-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
522 AM EDT THU OCT 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
TODAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET, OCCASIONALLY
TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 12 SECONDS.
INTRACOASTAL WATERS CHOPPY.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
12 SECONDS. INTRACOASTAL WATERS CHOPPY.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 6 TO 8 FEET, OCCASIONALLY TO
10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT 8 SECONDS. INTRACOASTAL
WATERS ROUGH.
FRIDAY NIGHT
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 7 TO
10 FEET, OCCASIONALLY TO 13 FEET. WAVE DETAIL: NORTHEAST 10 FEET
AT 8 SECONDS. INTRACOASTAL WATERS VERY ROUGH. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 8 TO 10 FEET, OCCASIONALLY TO 13 FEET, BUILDING TO
9 TO 12 FEET, OCCASIONALLY TO 15 FEET IN THE AFTERNOON. WAVE
DETAIL: NORTHEAST 10 FEET AT 8 SECONDS, BECOMING NORTHEAST
12 FEET AT 8 SECONDS. INTRACOASTAL WATERS VERY ROUGH. SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS WITH GUSTS UP
TO 40 KNOTS. SEAS 11 TO 14 FEET, OCCASIONALLY TO 18 FEET. WAVE
DETAIL: NORTHEAST 14 FEET AT 10 SECONDS. INTRACOASTAL WATERS VERY
ROUGH. SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS AROUND 30 KNOTS. SEAS 12 TO 14 FEET,
OCCASIONALLY TO 18 FEET. INTRACOASTAL WATERS VERY ROUGH. A CHANCE
OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
A CHANCE OF SHOWERS IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
MONDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 10 TO 13 FEET,
OCCASIONALLY TO 17 FEET. INTRACOASTAL WATERS VERY ROUGH. A CHANCE
OF SHOWERS THROUGH THE DAY, THEN A SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-230030-
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-
522 AM EDT THU OCT 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
TODAY
NORTH WINDS AROUND 15 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
12 SECONDS.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
12 SECONDS.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 6 TO 8 FEET, OCCASIONALLY TO
10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT 8 SECONDS.
FRIDAY NIGHT
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 7 TO
10 FEET, OCCASIONALLY TO 13 FEET. WAVE DETAIL: NORTHEAST 10 FEET
AT 8 SECONDS. SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS. GUSTS UP TO 45 KNOTS
IN THE AFTERNOON. SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET,
BUILDING TO 9 TO 13 FEET, OCCASIONALLY TO 17 FEET IN THE
AFTERNOON. WAVE DETAIL: NORTHEAST 11 FEET AT 8 SECONDS, BECOMING
NORTHEAST 13 FEET AT 8 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SATURDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS WITH GUSTS UP
TO 45 KNOTS. SEAS 12 TO 15 FEET, OCCASIONALLY TO 19 FEET. WAVE
DETAIL: NORTHEAST 14 FEET AT 9 SECONDS. SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 12 TO 14 FEET,
OCCASIONALLY TO 18 FEET. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
MONDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 11 TO 14 FEET,
OCCASIONALLY TO 18 FEET, SUBSIDING TO 10 TO 12 FEET, OCCASIONALLY
TO 15 FEET AFTER MIDNIGHT. A CHANCE OF SHOWERS .
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page