623
FZUS52 KJAX 240130
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
930 PM EDT WED SEP 23 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.
AMZ400-241630-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
930 PM EDT WED SEP 23 2026
SYNOPSIS
LOW PRESSURE WILL STRENGTHEN WELL TO THE NORTHEAST OF THE REGION
THROUGH THE END OF THE WEEK, TRACKING FURTHER TO THE NORTH OF THE
AREA THROUGH THE WEEKEND. HIGH PRESSURE WILL BUILD DOWN THE EASTERN
US COASTAL STATES WEDNESDAY CAUSING A BACKDOOR COLD FRONT TO SWEEP
SOUTHWARD. THE GRADIENT BETWEEN THE HIGH, AND THE FRONT TRAILING
FROM THE LOW TO THE NORTHEAST, WILL RESULT IN ENHANCED NORTHEASTERLY
WINDS AND WAVES BEGINNING LATER TODAY AND LASTING THROUGH AT LEAST
FRIDAY. A PROLONGED PERIOD OF SMALL CRAFT CONDITIONS WILL CONTINUE
THROUGH AT LEAST FRIDAY NIGHT. THERE IS ALSO THE POTENTIAL FOR GALE
CONDITIONS THURSDAY INTO THURSDAY NIGHT WITH AT LEAST OCCASIONAL
GUSTS TO GALE FORCE. THESE CONDITIONS EASE THIS WEEKEND AS HIGH
PRESSURE WEAKENS AND THE AFOREMENTIONED LOW PULLS FURTHER AWAY FROM
THE AREA.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 23, 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.
AMZ450-470-241630-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO
60 NM-
930 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF TONIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT
7 SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY
NORTH WINDS 20 TO 25 KNOTS, INCREASING TO 25 TO
30 KNOTS IN THE AFTERNOON. SEAS 6 TO 9 FEET, OCCASIONALLY TO
11 FEET, BUILDING TO 8 TO 11 FEET, OCCASIONALLY TO 14 FEET IN THE
AFTERNOON. WAVE DETAIL: NORTHEAST 9 FEET AT 8 SECONDS, BECOMING
NORTHEAST 10 FEET AT 8 SECONDS AND EAST 2 FEET AT 11 SECONDS.
INTRACOASTAL WATERS VERY ROUGH. A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
NORTH WINDS 25 TO 30 KNOTS, DIMINISHING TO
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 9 TO 12 FEET, OCCASIONALLY TO
15 FEET. WAVE DETAIL: NORTHEAST 11 FEET AT 8 SECONDS AND
NORTHEAST 11 FEET AT 11 SECONDS. INTRACOASTAL WATERS VERY ROUGH.
A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN
THE EVENING.
FRIDAY
NORTH WINDS 20 TO 25 KNOTS, DIMINISHING TO 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 8 TO 11 FEET, OCCASIONALLY TO
14 FEET. WAVE DETAIL: NORTHEAST 10 FEET AT 12 SECONDS AND
NORTHEAST 5 FEET AT 8 SECONDS. INTRACOASTAL WATERS ROUGH.
FRIDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT
12 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.
SATURDAY AND SATURDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS.
SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST
7 FEET AT 12 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.
SUNDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS
3 TO 5 FEET, OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS LIGHT
CHOP.
MONDAY
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS LIGHT CHOP. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ452-454-472-474-241630-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 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-
930 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
REST OF TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
20 TO 25 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE
DETAIL: NORTHEAST 7 FEET AT 7 SECONDS. INTRACOASTAL WATERS ROUGH.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
THURSDAY
NORTH WINDS 20 TO 25 KNOTS, INCREASING TO 25 TO
30 KNOTS IN THE AFTERNOON. SEAS 6 TO 8 FEET, OCCASIONALLY TO
10 FEET, BUILDING TO 7 TO 10 FEET, OCCASIONALLY TO 13 FEET IN THE
AFTERNOON. WAVE DETAIL: NORTHEAST 8 FEET AT 7 SECONDS, BECOMING
NORTHEAST 10 FEET AT 8 SECONDS AND NORTHEAST 2 FEET AT
11 SECONDS. INTRACOASTAL WATERS VERY ROUGH. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.
THURSDAY NIGHT
NORTH WINDS 25 TO 30 KNOTS. SEAS 9 TO 11 FEET,
OCCASIONALLY TO 14 FEET. WAVE DETAIL: NORTHEAST 11 FEET AT
8 SECONDS AND NORTHEAST 11 FEET AT 11 SECONDS. INTRACOASTAL
WATERS VERY ROUGH. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
FRIDAY
NORTH WINDS 20 TO 25 KNOTS. SEAS 8 TO 11 FEET,
OCCASIONALLY TO 14 FEET. WAVE DETAIL: NORTHEAST 11 FEET AT
12 SECONDS AND NORTHEAST 10 FEET AT 9 SECONDS. INTRACOASTAL
WATERS ROUGH. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. A
CHANCE OF SHOWERS.
FRIDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS. SEAS 7 TO 10 FEET,
OCCASIONALLY TO 13 FEET. WAVE DETAIL: NORTHEAST 10 FEET AT
12 SECONDS. INTRACOASTAL WATERS CHOPPY.
SATURDAY AND SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS.
SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST
8 FEET AT 12 SECONDS. INTRACOASTAL WATERS CHOPPY.
SUNDAY
NORTH WINDS 5 TO 10 KNOTS, BECOMING EAST. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS LIGHT CHOP.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS
3 TO 4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
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