417
FZUS52 KJAX 091727
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
126 PM EDT TUE SEP 9 2025
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.
AMZ400-100800-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
126 PM EDT TUE SEP 9 2025
SYNOPSIS
THE REGION WILL BE BETWEEN HIGH PRESSURE TO THE NORTH-NORTHEAST AND
A FRONTAL ZONE TO THE SOUTH FOR THE REST OF THE WEEK AND INTO THE
WEEKEND. ELEVATED NORTHEASTERLY WINDS WILL CONTINUE TODAY, BUT WILL
BEGIN TO WEAKEN TONIGHT AND THROUGH MIDWEEK. AN INVERTED TROUGH IS
EXPECTED TO DEVELOP ALONG THE COAST FRIDAY INTO THE WEEKEND, LEADING
TO ANOTHER ROUND OF ELEVATED WINDS.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 06, 2025 AT 1200 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
60 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
61 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-470-100800-
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-
126 PM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF TODAY
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
35 KNOTS. SEAS 7 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL:
NORTHEAST 8 FEET AT 7 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS
AND THUNDERSTORMS LIKELY.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
9 SECONDS AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
6 SECONDS AND EAST 4 FEET AT 9 SECONDS. INTRACOASTAL WATERS A
MODERATE CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
THURSDAY AND THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS.
SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST
4 FEET AT 5 SECONDS AND EAST 4 FEET AT 9 SECONDS. INTRACOASTAL
WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 5 FEET AT 9 SECONDS AND
NORTHEAST 4 FEET AT 5 SECONDS. INTRACOASTAL WATERS CHOPPY. A
SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS.
SATURDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A SLIGHT
CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS
THROUGH THE NIGHT. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ452-472-100800-
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-
126 PM EDT TUE SEP 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF TODAY
NORTHEAST WINDS 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS THIS AFTERNOON. SEAS 6 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 9 SECONDS. INTRACOASTAL
WATERS ROUGH. SHOWERS, THUNDERSTORMS.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY.
THUNDERSTORMS LIKELY, MAINLY IN THE EVENING.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 5 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 10 SECONDS AND NORTHEAST
5 FEET AT 6 SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.
WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
6 SECONDS AND NORTHEAST 5 FEET AT 9 SECONDS. INTRACOASTAL WATERS
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY AND THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS.
SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST
4 FEET AT 5 SECONDS AND EAST 4 FEET AT 9 SECONDS. INTRACOASTAL
WATERS CHOPPY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
FRIDAY THROUGH SATURDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST
6 FEET AT 7 SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ454-474-100800-
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-
126 PM EDT TUE SEP 9 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO
6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
9 SECONDS AND NORTH 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS
CHOPPY. SHOWERS. A CHANCE OF THUNDERSTORMS LATE THIS MORNING,
THEN THUNDERSTORMS THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9 SECONDS AND NORTH
2 FEET AT 9 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS.
THUNDERSTORMS LIKELY, MAINLY IN THE EVENING.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
9 SECONDS AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS
CHOPPY. SHOWERS. A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
THUNDERSTORMS LIKELY IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING NORTH
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 9 SECONDS AND NORTH
4 FEET AT 7 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY.
THUNDERSTORMS LIKELY, MAINLY IN THE EVENING.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
5 SECONDS AND NORTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL WATERS
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
5 SECONDS AND NORTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL WATERS
CHOPPY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
FRIDAY THROUGH SATURDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS ROUGH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
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