939
FZUS52 KJAX 062148
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
548 PM EDT TUE OCT 6 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.
AMZ400-071300-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
548 PM EDT TUE OCT 6 2026
SYNOPSIS
SMALL CRAFT ADVISORY CONDITIONS WILL OVERSPREAD THE NORTHEAST
FLORIDA WATERS THIS EVENING AS A NORTHEASTERLY WIND SURGE EXPANDS
SOUTHWARD. OCCASIONAL GUSTS TO GALE FORCE WILL BE POSSIBLE THROUGH
TONIGHT, ESPECIALLY FOR THE WATERS FROM ST. AUGUSTINE NORTHWARD.
PROLONGED ONSHORE WINDS CONTINUE AS WEAK LOW PRESSURE DEVELOPS
OFFSHORE OF THE EAST CENTRAL FLORIDA COAST AND MOVES SLOWLY EASTWARD
ON WEDNESDAY AND THURSDAY. ONSHORE WINDS MAY BRIEFLY DECREASE TO
CAUTION SPEEDS ON THURSDAY BEFORE STRENGTHENING BACK TO SMALL CRAFT
ADVISORY LEVELS BY LATE FRIDAY AS HIGH PRESSURE BUILDS OVER THE MID-
ATLANTIC STATES AND WEDGES DOWN THE SOUTHEASTERN SEABOARD. THE
NATIONAL HURRICANE CENTER IS MONITORING THE POTENTIAL DEVELOPMENT OF
A TROPICAL CYCLONE IN THE GULF. THIS SYSTEM IS EXPECTED TO MOVE
NORTHWARD TOWARDS THE CENTRAL GULF COAST REGION ON SATURDAY. SHOWERS
AND THUNDERSTORMS WILL INCREASE IN COVERAGE THROUGHOUT OUR LOCAL
WATERS DURING THE WEEKEND AS TROPICAL MOISTURE SURGES NORTHWARD ON
THE EASTERN PERIPHERY OF THIS POTENTIAL TROPICAL CYCLONE.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
OCT 06, 2026 AT 0000 UTC...
62 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.
AMZ450-452-071300-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
548 PM EDT TUE OCT 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT
TONIGHT
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
35 KNOTS, BECOMING EAST 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. INTRACOASTAL WATERS ROUGH. A SLIGHT CHANCE OF
THUNDERSTORMS. SHOWERS.
WEDNESDAY
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 SLIGHT CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.
WEDNESDAY NIGHT
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 SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS. INTRACOASTAL
WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
EAST WINDS 25 TO 30 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 7 FEET AT
7 SECONDS. INTRACOASTAL WATERS VERY ROUGH. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS.
SATURDAY
EAST WINDS 25 TO 30 KNOTS. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET. INTRACOASTAL WATERS VERY ROUGH. A CHANCE
OF THUNDERSTORMS. SHOWERS.
SUNDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET, SUBSIDING TO 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. SHOWERS LIKELY THROUGH THE DAY. A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON, THEN A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS THROUGH THE
NIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ454-071300-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
548 PM EDT TUE OCT 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 7 SECONDS. INTRACOASTAL
WATERS CHOPPY. SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS AROUND
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
8 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
EAST WINDS 25 TO 30 KNOTS WITH GUSTS
UP TO 40 KNOTS. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: EAST 8 FEET AT 7 SECONDS. INTRACOASTAL WATERS VERY ROUGH.
SHOWERS WITH A CHANCE OF THUNDERSTORMS.
SATURDAY
EAST WINDS 25 TO 30 KNOTS, BECOMING SOUTHEAST 20 TO
25 KNOTS. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. INTRACOASTAL
WATERS VERY ROUGH. A CHANCE OF THUNDERSTORMS. SHOWERS.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH 5 TO
10 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL
WATERS A MODERATE CHOP. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. SHOWERS LIKELY THROUGH THE DAY. A CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. A CHANCE OF SHOWERS IN THE
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-071300-
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-
548 PM EDT TUE OCT 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT
TONIGHT
EAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS,
DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT
7 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS, MAINLY IN
THE MORNING.
WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
EAST WINDS 20 TO 25 KNOTS WITH GUSTS
UP TO 35 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE
DETAIL: EAST 7 FEET AT 7 SECONDS. SHOWERS WITH A CHANCE OF
THUNDERSTORMS.
SATURDAY
EAST WINDS 25 TO 30 KNOTS. SEAS 7 TO 8 FEET,
OCCASIONALLY TO 10 FEET, BUILDING TO 7 TO 10 FEET, OCCASIONALLY
TO 13 FEET. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO
4 TO 5 FEET, OCCASIONALLY TO 6 FEET AFTER MIDNIGHT. SHOWERS
LIKELY THROUGH THE DAY. A CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS THROUGH THE NIGHT. A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
AMZ474-071300-
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-
548 PM EDT TUE OCT 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7 SECONDS. SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS.
WEDNESDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
8 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
8 SECONDS. SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING, THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
EAST WINDS 20 TO 25 KNOTS
WITH GUSTS UP TO 35 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: EAST 7 FEET AT 7 SECONDS. SHOWERS WITH A
CHANCE OF THUNDERSTORMS.
SATURDAY
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: EAST 7 FEET AT 7 SECONDS.
SHOWERS WITH A CHANCE OF THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY THROUGH THE DAY, THEN A CHANCE OF
SHOWERS THROUGH THE NIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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