399
FZUS52 KJAX 132224
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
624 PM EDT SUN SEP 13 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.
AMZ400-141330-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
624 PM EDT SUN SEP 13 2026
SYNOPSIS
OFFSHORE WINDS WILL CONTINUE ACROSS THE AREA WATER ON MONDAY, EXCEPT
FOR A SEA BREEZE WHICH WILL SHIFT WINDS TO THE SOUTHEAST AND SOUTH
DURING THE AFTERNOON HOURS. ON MONDAY, LESS THUNDERSTORM ACTIVITY IS
EXPECTED AND LIKELY BE LIMITED TO NORTHEAST FLORIDA NEARSHORE
WATERS. FROM TUESDAY THROUGH THURSDAY, A STRONG NORTHEAST WIND SURGE
WILL BRING SMALL CRAFT ADVISORY CONDITIONS, ROUGH SEAS, AND NUMEROUS
SHOWERS AND A FEW THUNDERSTORMS OVER THE AREA WATERS. IMPROVING
CONDITIONS ARE EXPECTED BY FRIDAY AS ONSHORE WINDS WEAKEN AND SEAS
GRADUALLY LOWER.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
SEP 13, 2026 AT 0000 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
53 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
64 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-141330-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
624 PM EDT SUN SEP 13 2026
REST OF TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING WEST.
SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 8 SECONDS.
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY, THEN A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS THIS EVENING.
MONDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT
9 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING
NORTHEAST AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: EAST
2 FEET AT 9 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 25 TO
30 KNOTS 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 9 SECONDS, BECOMING
NORTHEAST 6 FEET AT 6 SECONDS. INTRACOASTAL WATERS VERY 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.
TUESDAY NIGHT
NORTHEAST WINDS 25 TO 30 KNOTS, DIMINISHING TO
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8 FEET, OCCASIONALLY TO
10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT 7 SECONDS. INTRACOASTAL
WATERS VERY ROUGH. A CHANCE OF SHOWERS IN THE EVENING.
WEDNESDAY AND WEDNESDAY NIGHT
NORTHEAST WINDS 25 TO 30 KNOTS.
SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST
8 FEET AT 7 SECONDS. INTRACOASTAL WATERS VERY ROUGH. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
NORTHEAST WINDS 20 TO 25 KNOTS, DIMINISHING TO 15 TO
20 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO
4 TO 5 FEET, OCCASIONALLY TO 6 FEET AFTER MIDNIGHT. 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. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST 5 TO
10 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL
WATERS A MODERATE CHOP. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-141330-
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-
624 PM EDT SUN SEP 13 2026
REST OF TONIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING WEST. SEAS
2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 9 SECONDS AND
SOUTHWEST 2 FEET AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST IN
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT
3 SECONDS AND SOUTHEAST 2 FEET AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
EAST WINDS AROUND 5 KNOTS, BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS 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 4 FEET AT 8 SECONDS, BECOMING
NORTHEAST 6 FEET AT 6 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
TUESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT
7 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING.
WEDNESDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET. A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET, OCCASIONALLY TO
6 FEET AFTER MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRIDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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