117
FZUS52 KJAX 200529
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1229 AM EST TUE JAN 20 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.
AMZ400-202000-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
1229 AM EST TUE JAN 20 2026
SYNOPSIS
ARCTIC HIGH PRESSURE BUILDING INTO THE SOUTHEASTERN STATES ON
TUESDAY MORNING WILL SHIFT ACROSS THE SOUTHERN APPALACHIANS BY
TUESDAY EVENING, MOVING OFFSHORE OF THE DELMARVA PENINSULA BY
WEDNESDAY MORNING. THIS FEATURE WILL PROVIDE BREEZY NORTHERLY WINDS
AND ELEVATED SEAS TO OUR LOCAL WATERS TODAY, WITH WINDS SHIFTING TO
NORTHEASTERLY TONIGHT. NORTHEASTERLY WINDS WILL THEN GRADUALLY
WEAKEN ON WEDNESDAY AND THURSDAY AS HIGH PRESSURE EXTENDS ITS AXIS
ACROSS THE SOUTHEASTERN STATES. A FEW SHOWERS WILL BE POSSIBLE LATE
THIS WEEK AHEAD OF A COLD FRONT THAT WILL BE ENTERING THE
SOUTHEASTERN STATES ON FRIDAY. CHANCES FOR SHOWERS WILL THEN
INCREASE THIS WEEKEND AS THIS FRONTAL BOUNDARY MOVES SLOWLY
SOUTHWARD ACROSS OUR LOCAL WATERS, PROVIDING FOR STRENGTHENING
NORTHEASTERLY WINDS ON SATURDAY THAT WILL SHIFT TO NORTHWESTERLY ON
SATURDAY NIGHT AS THIS FRONT SHIFTS SOUTH OF THE NORTHEAST FLORIDA
WATERS.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
JAN 19, 2026 AT 0000 UTC...
50 NAUTICAL MILES EAST OF FLAGLER BEACH.
58 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.
70 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-454-202000-
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-
1229 AM EST TUE JAN 20 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
NORTHWEST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE
DETAIL: NORTH 3 FEET AT 5 SECONDS AND EAST 2 FEET AT 8 SECONDS.
INTRACOASTAL WATERS CHOPPY.
TUESDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 4 FEET AT 5 SECONDS
AND EAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS CHOPPY.
TUESDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 4 FEET AT
5 SECONDS AND EAST 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS A
MODERATE CHOP.
WEDNESDAY
NORTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT
5 SECONDS AND EAST 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS LIGHT
CHOP.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
NORTHEAST WINDS 5 TO
10 KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL:
EAST 4 FEET AT 10 SECONDS AND NORTHEAST 2 FEET AT 5 SECONDS.
INTRACOASTAL WATERS LIGHT CHOP.
FRIDAY
NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL:
EAST 4 FEET AT 10 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING NORTH 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.
AMZ470-472-474-202000-
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-
1229 AM EST TUE JAN 20 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 4 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHWEST 5 FEET AT
5 SECONDS AND EAST 2 FEET AT 8 SECONDS.
TUESDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 5 FEET AT 6 SECONDS
AND EAST 2 FEET AT 8 SECONDS.
TUESDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS, BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTH 5 FEET AT 6 SECONDS AND EAST 3 FEET AT
9 SECONDS.
WEDNESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT
5 SECONDS AND EAST 3 FEET AT 9 SECONDS.
WEDNESDAY NIGHT
NORTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 4 FEET AT
10 SECONDS AND NORTHEAST 2 FEET AT 6 SECONDS.
THURSDAY AND THURSDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS.
SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST
5 FEET AT 10 SECONDS AND NORTHEAST 2 FEET AT 6 SECONDS. A SLIGHT
CHANCE OF SHOWERS.
FRIDAY
NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. A SLIGHT
CHANCE OF SHOWERS.
SATURDAY
EAST WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST 15 TO
20 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, BUILDING TO
6 TO 9 FEET, OCCASIONALLY TO 11 FEET AFTER MIDNIGHT. A CHANCE OF
SHOWERS.
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