418
FZUS52 KJAX 031203
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
803 AM EDT SAT OCT 3 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.
AMZ400-040315-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
803 AM EDT SAT OCT 3 2026
SYNOPSIS
SOUTHEASTERLY WIND CONTINUES OVER THE WEEKEND WITH WAVES OF SHOWERS
AND THUNDERSTORMS MOVING FROM SOUTH TO NORTH. OUTSIDE OF
THUNDERSTORM ACTIVITY, WINDS AND SEAS ARE EXPECTED TO REMAIN BELOW
CAUTION LEVELS THROUGH AT LEAST MONDAY AFTERNOON.
DETERIORATING CONDITIONS ARE EXPECTED TUESDAY AS COLD FRONT ENTERS
AND STALLS OVER THE AREA WATERS. FOLLOWING THE FRONT, A STRONG HIGH
PRESSURE BUILDING WILL WEDGE DOWN THE SOUTHEASTERN SEABOARD,
INITIATING A PROLONGED SURGE OF STRONG NORTHEASTERLY WINDS AND HIGH
SEAS ACROSS OUR LOCAL WATERS. SMALL CRAFT ADVISORY CONDITIONS ARE
LIKELY BY TUESDAY, WITH THE POTENTIAL FOR WIND GUSTS NEAR GALE FORCE
THROUGH THURSDAY. NORTHEASTERLY WINDS ARE EXPECTED TO GRADUALLY
DECREASE THROUGH FRIDAY, ALLOWING SEAS TO LOWER THEREAFTER.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
OCT 02, 2026 AT 0000 UTC...
54 NAUTICAL MILES EAST OF FLAGLER BEACH.
62 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
74 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-040315-
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-
803 AM EDT SAT OCT 3 2026
REST OF TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
THIS MORNING, THEN A CHANCE OF THUNDERSTORMS THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. INTRACOASTAL WATERS LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. INTRACOASTAL WATERS LIGHT
CHOP. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 6 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. SHOWERS WITH A
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH
A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
MONDAY AND MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS
2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.
INTRACOASTAL WATERS A MODERATE CHOP. SHOWERS WITH A CHANCE OF
THUNDERSTORMS.
TUESDAY
NORTH WINDS 25 TO 35 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET, BUILDING TO 8 TO 11 FEET, OCCASIONALLY TO
14 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5 SECONDS, BECOMING
NORTHEAST 11 FEET AT 8 SECONDS AND NORTHEAST 2 FEET AT 5 SECONDS.
INTRACOASTAL WATERS EXTREMELY ROUGH. SHOWERS WITH A CHANCE OF
THUNDERSTORMS, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
NORTH WINDS 25 TO 30 KNOTS. SEAS 7 TO 10 FEET,
OCCASIONALLY TO 13 FEET. INTRACOASTAL WATERS VERY ROUGH. A CHANCE
OF THUNDERSTORMS THROUGH THE DAY. SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-040315-
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-
803 AM EDT SAT OCT 3 2026
REST OF TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS AND EAST
2 FEET AT 12 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS THIS MORNING, THEN A CHANCE OF THUNDERSTORMS THIS
AFTERNOON.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS AND EAST 2 FEET AT
11 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS AND EAST 2 FEET AT
11 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF THUNDERSTORMS.
SHOWERS.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTH IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
6 SECONDS. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST
2 FEET AT 6 SECONDS. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
TUESDAY
NORTH WINDS 25 TO 30 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET, BUILDING TO 8 TO 11 FEET, OCCASIONALLY TO
14 FEET. SHOWERS WITH A CHANCE OF THUNDERSTORMS.
WEDNESDAY
NORTH WINDS 25 TO 30 KNOTS. SEAS 8 TO 11 FEET,
OCCASIONALLY TO 14 FEET. SHOWERS WITH A CHANCE OF THUNDERSTORMS
THROUGH THE DAY, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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