293
FZUS52 KJAX 150156
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
956 PM EDT MON SEP 14 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.
AMZ400-151700-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
956 PM EDT MON SEP 14 2026
SYNOPSIS
STRENGTHENING HIGH PRESSURE SITUATED OVER THE EASTERN GREAT LAKES
AND MID-ATLANTIC STATES TONIGHT WILL SHIFT EASTWARD TOWARDS COASTAL
NEW ENGLAND BY TUESDAY AFTERNOON. THIS STRONG HIGH PRESSURE CENTER
WILL WEDGE DOWN THE SOUTHEASTERN SEABOARD BEGINNING ON TUESDAY,
PUSHING A COLD FRONT SOUTHWARD ACROSS OUR LOCAL WATERS DURING THE
MORNING AND EARLY AFTERNOON HOURS. A SURGE OF NORTHEASTERLY WINDS
WILL ACCOMPANY THIS FRONTAL PASSAGE, WITH SMALL CRAFT ADVISORY
CONDITIONS INITIALLY OVERSPREADING THE GEORGIA WATERS BY THE MID TO
LATE MORNING HOURS ON TUESDAY, WITH THESE CONDITIONS THEN REACHING
THE NORTHEAST FLORIDA WATERS DURING THE MID TO LATE AFTERNOON HOURS.
WAVES OF SHOWERS AND A FEW EMBEDDED THUNDERSTORMS ARE EXPECTED TO
TRAVERSE OUR LOCAL WATERS THROUGH TUESDAY EVENING. HIGH PRESSURE
WILL SHIFT OFF THE NEW ENGLAND AND MID-ATLANTIC COASTS BY WEDNESDAY
NIGHT, WITH BREEZY ONSHORE WINDS AND ELEVATED SEAS LIKELY KEEPING
SMALL CRAFT ADVISORY CONDITIONS IN PLACE THROUGH THURSDAY FOR MOST
OF OUR LOCAL WATERS. HIGH PRESSURE WILL THEN WEAKEN AS IT SHIFTS
SOUTHWARD OFF THE SOUTHEASTERN SEABOARD, ALLOWING THE FRONTAL
BOUNDARY TO RETURN NORTHWARD TOWARDS OUR AREA AS A WARM FRONT.
SHOWERS AND THUNDERSTORMS WILL INCREASE BEGINNING ON THURSDAY AND
CONTINUING INTO AT LEAST SATURDAY.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 14, 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.
AMZ452-472-151700-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-
956 PM EDT MON SEP 14 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...
REST OF TONIGHT
EAST SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING
NORTHEAST LATE. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT 9
SECONDS. INTRACOASTAL WATERS MOSTLY SMOOTH. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
EAST NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20
TO 25 KNOTS WITH OCCASIONAL GUSTS TO GALE FORCE POSSIBLE LATE IN
THE AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET,
BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET IN THE AFTERNOON.
WAVE DETAIL: NORTHEAST 3 FEET AT 4 SECONDS AND EAST 2 FEET AT 9
SECONDS, BECOMING NORTHEAST 5 FEET AT 5 SECONDS AND EAST 2 FEET AT
9 SECONDS. INTRACOASTAL WATERS BECOMING ROUGH. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. OCCASIONAL GUSTS
UP TO GALE FORCE DURING THE EVENING. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 8 SECONDS
AND NORTHEAST 5 FEET AT 5 SECONDS. INTRACOASTAL WATERS ROUGH. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. INTRACOASTAL WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. INTRACOASTAL WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS
IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS,
BECOMING EAST AND DIMINISHING TO 10 TO 15 KNOTS AFTER MIDNIGHT.
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS
CHOPPY. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
FRIDAY
EAST SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A LIGHT CHOP. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT AND SATURDAY
SOUTHEAST WINDS AROUND 10 KNOTS.
SEAS 2 TO 3 FEET. INTRACOASTAL WATERS A LIGHT CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ454-474-151700-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-
956 PM EDT MON SEP 14 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
LATE WEDNESDAY NIGHT...
REST OF TONIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST
NORTHEAST 5 TO 10 KNOTS LATE. SEAS AROUND 2 FEET. WAVE DETAIL:
EAST 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS MOSTLY SMOOTH. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
TUESDAY
EAST NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO 15
TO 20 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6
FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 4 SECONDS AND EAST 2 FEET
AT 9 SECONDS. INTRACOASTAL WATERS BECOMING CHOPPY. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7
FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 6
SECONDS AND EAST 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS ROUGH.
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. INTRACOASTAL WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS
IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
EAST NORTHEAST WINDS 20 TO 25
KNOTS. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL:
NORTHEAST 7 FEET AT 7 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS
WITH A CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
EAST WINDS AROUND 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 8
SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS.
FRIDAY
EAST SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A LIGHT CHOP. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT AND SATURDAY
SOUTHEAST WINDS AROUND 10 KNOTS.
SEAS 2 TO 3 FEET. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ450-470-151700-
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-
956 PM EDT MON SEP 14 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF TONIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST
AND INCREASING TO 10 TO 15 KNOTS LATE. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS
BECOMING A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS, BECOMING EAST NORTHEAST
20 TO 25 KNOTS WITH OCCASIONAL GUSTS TO GALE FORCE POSSIBLE IN
THE AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET, BUILDING
TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET IN THE AFTERNOON. WAVE
DETAIL: EAST 3 FEET AT 4 SECONDS AND EAST 2 FEET AT 9 SECONDS,
BECOMING EAST 6 FEET AT 5 SECONDS AND NORTHEAST 6 FEET AT 9
SECONDS. INTRACOASTAL WATERS BECOMING ROUGH. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. OCCASIONAL GUSTS
TO GALE FORCE POSSIBLE DURING THE EVENING. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: EAST 7 FEET AT 6 SECONDS.
INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS.
WEDNESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8
FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT 7
SECONDS. INTRACOASTAL WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS.
THURSDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 6 FEET AT 8 SECONDS.
INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
EAST NORTHEAST WINDS 15 TO 20 KNOTS, BECOMING
EAST AND DIMINISHING TO AROUND 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS BECOMING A
MODERATE CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
FRIDAY
EAST SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS LIGHT CHOP. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT AND SATURDAY
EAST SOUTHEAST WINDS AROUND 10 KNOTS,
BECOMING SOUTHEAST DURING THE AFTERNOON. SEAS 2 TO 3 FEET.
INTRACOASTAL WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
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