171
FZUS52 KJAX 231317
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
917 AM EDT FRI OCT 23 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.
AMZ400-240430-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
917 AM EDT FRI OCT 23 2026
SYNOPSIS
A COMBINATION OF STRONG HIGH PRESSURE DEVELOPING TO THE NORTH, AND A
TROUGH OF LOW PRESSURE TO THE EAST SOUTHEAST WILL RESULT IN A TIGHT
PRESSURE GRADIENT OVER AREA WATERS THIS WEEKEND INTO EARLY NEXT
WEEK. THIS WILL LEAD TO ELEVATED CONDITIONS WITH GALES EXPECTED BY
SATURDAY AFTERNOON. WHILE THE HIGH WILL WEAKEN TO THE NORTH INTO THE
MIDDLE PART OF NEXT WEEK, AN ENHANCED NORTHEAST FLOW WILL CONTINUE.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
OCT 22, 2026 AT 0000 UTC...
58 NAUTICAL MILES EAST OF FLAGLER BEACH.
66 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
78 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
81 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-240430-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
917 AM EDT FRI OCT 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SATURDAY MORNING...
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY
EVENING...
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
20 TO 25 KNOTS THIS AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 6 SECONDS AND EAST
4 FEET AT 12 SECONDS. INTRACOASTAL WATERS ROUGH.
TONIGHT
NORTHEAST WINDS 20 TO 25 KNOTS, INCREASING TO 25 TO
30 KNOTS AFTER MIDNIGHT. SEAS 5 TO 8 FEET, OCCASIONALLY TO
10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT 7 SECONDS AND EAST
3 FEET AT 12 SECONDS. INTRACOASTAL WATERS VERY ROUGH. A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS, INCREASING TO 30 TO
35 KNOTS IN THE AFTERNOON. SEAS 8 TO 11 FEET, OCCASIONALLY TO
14 FEET. WAVE DETAIL: NORTHEAST 11 FEET AT 9 SECONDS.
INTRACOASTAL WATERS EXTREMELY ROUGH. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
NORTHEAST WINDS 30 TO 35 KNOTS. SEAS 9 TO
13 FEET, OCCASIONALLY TO 17 FEET. WAVE DETAIL: EAST 13 FEET AT
10 SECONDS AND NORTHEAST 4 FEET AT 5 SECONDS. INTRACOASTAL WATERS
EXTREMELY ROUGH. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS, MAINLY IN THE EVENING.
SUNDAY
NORTHEAST WINDS 25 TO 30 KNOTS, INCREASING TO 30 TO
35 KNOTS IN THE AFTERNOON. SEAS 9 TO 13 FEET, OCCASIONALLY TO
17 FEET. WAVE DETAIL: EAST 13 FEET AT 10 SECONDS AND NORTHEAST
2 FEET AT 4 SECONDS. INTRACOASTAL WATERS EXTREMELY ROUGH. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST WINDS 30 TO 35 KNOTS, DIMINISHING TO
25 TO 30 KNOTS AFTER MIDNIGHT. SEAS 9 TO 13 FEET, OCCASIONALLY TO
17 FEET. WAVE DETAIL: EAST 13 FEET AT 10 SECONDS. INTRACOASTAL
WATERS EXTREMELY ROUGH. A CHANCE OF SHOWERS IN THE EVENING.
MONDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO 12 FEET,
OCCASIONALLY TO 15 FEET. INTRACOASTAL WATERS VERY ROUGH. A SLIGHT
CHANCE OF SHOWERS THROUGH THE DAY.
TUESDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 8 TO 11 FEET,
OCCASIONALLY TO 14 FEET. INTRACOASTAL WATERS VERY ROUGH.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ452-454-240430-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
917 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY
EVENING...
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
20 TO 25 KNOTS THIS AFTERNOON. SEAS 6 TO 8 FEET, OCCASIONALLY TO
10 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 6 SECONDS AND EAST
4 FEET AT 12 SECONDS. INTRACOASTAL WATERS ROUGH.
TONIGHT
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 7 TO 9 FEET,
OCCASIONALLY TO 11 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT
6 SECONDS AND EAST 3 FEET AT 12 SECONDS. INTRACOASTAL WATERS VERY
ROUGH. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET. WAVE
DETAIL: NORTHEAST 11 FEET AT 8 SECONDS AND NORTHEAST 9 FEET AT
11 SECONDS. INTRACOASTAL WATERS VERY ROUGH. A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS WITH GUSTS UP
TO 40 KNOTS. SEAS 10 TO 14 FEET, OCCASIONALLY TO 18 FEET,
BUILDING TO 12 TO 15 FEET, OCCASIONALLY TO 19 FEET AFTER
MIDNIGHT. WAVE DETAIL: NORTHEAST 13 FEET AT 9 SECONDS, BECOMING
NORTHEAST 14 FEET AT 10 SECONDS. INTRACOASTAL WATERS VERY ROUGH.
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS, MAINLY IN THE EVENING.
SUNDAY
NORTHEAST WINDS 25 TO 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 12 TO 15 FEET, OCCASIONALLY TO 19 FEET, SUBSIDING
TO 11 TO 13 FEET, OCCASIONALLY TO 17 FEET IN THE AFTERNOON. WAVE
DETAIL: NORTHEAST 14 FEET AT 10 SECONDS, BECOMING NORTHEAST
13 FEET AT 10 SECONDS. INTRACOASTAL WATERS VERY ROUGH. A SLIGHT
CHANCE OF THUNDERSTORMS. SHOWERS.
SUNDAY NIGHT
NORTHEAST WINDS 25 TO 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 12 TO 14 FEET, OCCASIONALLY TO 18 FEET. WAVE
DETAIL: NORTHEAST 14 FEET AT 10 SECONDS. INTRACOASTAL WATERS VERY
ROUGH. SHOWERS LIKELY, MAINLY IN THE EVENING.
MONDAY
NORTHEAST WINDS 25 TO 35 KNOTS. SEAS 11 TO 14 FEET,
OCCASIONALLY TO 18 FEET. INTRACOASTAL WATERS EXTREMELY ROUGH. A
CHANCE OF SHOWERS .
TUESDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 10 TO 13 FEET,
OCCASIONALLY TO 17 FEET, SUBSIDING TO 9 TO 11 FEET, OCCASIONALLY
TO 14 FEET AFTER MIDNIGHT. INTRACOASTAL WATERS VERY ROUGH. A
CHANCE OF SHOWERS, MAINLY IN THE MORNING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-240430-
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-
917 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY
EVENING...
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
20 TO 25 KNOTS THIS AFTERNOON. SEAS 6 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 12 SECONDS AND NORTHEAST
6 FEET AT 6 SECONDS.
TONIGHT
NORTHEAST WINDS 20 TO 25 KNOTS, INCREASING TO 25 TO
30 KNOTS AFTER MIDNIGHT. SEAS 7 TO 9 FEET, OCCASIONALLY TO
11 FEET. WAVE DETAIL: NORTHEAST 9 FEET AT 7 SECONDS AND NORTHEAST
4 FEET AT 12 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET, BUILDING TO
9 TO 13 FEET, OCCASIONALLY TO 17 FEET IN THE AFTERNOON. WAVE
DETAIL: NORTHEAST 10 FEET AT 8 SECONDS AND NORTHEAST 3 FEET AT
11 SECONDS, BECOMING NORTHEAST 12 FEET AT 9 SECONDS. A SLIGHT
CHANCE OF THUNDERSTORMS. SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS 30 TO 35 KNOTS. SEAS 12 TO
15 FEET, OCCASIONALLY TO 19 FEET, BUILDING TO 14 TO 16 FEET,
OCCASIONALLY TO 20 FEET AFTER MIDNIGHT. WAVE DETAIL: NORTHEAST
15 FEET AT 8 SECONDS, BECOMING NORTHEAST 16 FEET AT 10 SECONDS. A
SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS, MAINLY IN THE EVENING.
SUNDAY AND SUNDAY NIGHT
NORTHEAST WINDS 30 TO 35 KNOTS WITH
GUSTS UP TO 45 KNOTS. SEAS 13 TO 16 FEET, OCCASIONALLY TO
20 FEET. WAVE DETAIL: NORTHEAST 15 FEET AT 10 SECONDS. SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
MONDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 12 TO 15 FEET,
OCCASIONALLY TO 19 FEET. WAVE DETAIL: NORTHEAST 15 FEET AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE EVENING. A
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
TUESDAY
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 10 TO 13 FEET,
OCCASIONALLY TO 17 FEET. A CHANCE OF SHOWERS THROUGH THE DAY,
THEN A SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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