919
FZUS52 KJAX 081959
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
259 PM EST THU JAN 8 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.
AMZ400-091100-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
259 PM EST THU JAN 8 2026
SYNOPSIS
DENSE SEA FOG WILL CONTINUE ACROSS THE NEAR SHORE WATERS AND ALSO
FOR PORTIONS OF THE OFFSHORE WATERS THROUGH AT LEAST EARLY FRIDAY
AFTERNOON. VISIBILITIES OF ONE NAUTICAL MILE OR LESS ACROSS THE
WATERS NORTH OF ST. AUGUSTINE WILL LIKELY EXPAND SOUTHWARD THIS
EVENING. OTHERWISE, ATLANTIC HIGH PRESSURE WILL EXTEND ITS AXIS
ACROSS THE FLORIDA PENINSULA THROUGH SATURDAY. THIS WEATHER
PATTERN WILL CREATE A PREVAILING SOUTH TO SOUTHWESTERLY WIND FLOW
ACROSS OUR LOCAL WATERS THROUGH SATURDAY NIGHT. HIGH PRESSURE
WILL THEN MOVE FURTHER OFFSHORE ON SATURDAY AS A COLD FRONT ENTERS
THE SOUTHEASTERN STATES. THE COLD FRONT WILL MOVE ACROSS OUR
LOCAL WATERS ON SUNDAY, ACCOMPANIED BY SCATTERED SHOWERS.
NORTHWEST WINDS WILL STRENGTHEN FOLLOWING THIS FRONTAL PASSAGE ON
SUNDAY EVENING, WITH OCCASIONAL GUSTS TO GALE FORCE POSSIBLE
THROUGH SUNDAY NIGHT. WINDS WILL THEN SHIFT TO NORTHERLY ON SUNDAY
NIGHT AND NORTHEASTERLY BY MONDAY AFTERNOON AS HIGH PRESSURE
BUILDS INTO THE SOUTHEASTERN STATES. SMALL CRAFT ADVISORY
CONDITIONS WILL BE LIKELY FROM SUNDAY AFTERNOON THROUGH AT LEAST
MONDAY MORNING.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
JAN 08, 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.
68 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.
AMZ450-452-091100-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
259 PM EST THU JAN 8 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EST FRIDAY
TONIGHT
SOUTHEAST WINDS AROUND 5 KNOTS. WAVES 1 FOOT OR LESS.
INTRACOASTAL WATERS SMOOTH. WIDESPREAD DENSE FOG, WITH
VISIBILITIES OF ONE NAUTICAL MILE OR LESS.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
INTRACOASTAL WATERS MOSTLY SMOOTH. WIDESPREAD DENSE FOG, WITH
VISIBILITIES OF ONE NAUTICAL MILE OR LESS THROUGH EARLY AFTERNOON.
AREAS OF DENSE FOG POSSIBLE DURING THE LATE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS. INTRACOASTAL WATERS
MOSTLY SMOOTH. PATCHY DENSE FOG.
SATURDAY
SOUTH WINDS INCREASING TO 10 TO 15 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. INTRACOASTAL
WATERS BECOMING A LIGHT CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. INTRACOASTAL
WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
SUNDAY
WEST WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST 20 TO
25 KNOTS WITH OCCASIONAL GUSTS TO GALE FORCE POSSIBLE LATE IN THE
AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL:
NORTHWEST 3 FEET AT 4 SECONDS AND SOUTHEAST 2 FEET AT 5 SECONDS.
INTRACOASTAL WATERS BECOMING ROUGH. A SLIGHT CHANCE OF SHOWERS.
SUNDAY NIGHT
NORTH WINDS 25 TO 30 KNOTS WITH OCCASIONAL GUSTS
TO GALE FORCE POSSIBLE. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET.
INTRACOASTAL WATERS VERY ROUGH.
MONDAY
NORTHEAST WINDS 20 TO 25 KNOTS, BECOMING NORTH NORTHEAST
AROUND 15 KNOTS DURING THE AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY
TO 9 FEET, SUBSIDING TO 3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
INTRACOASTAL WATERS BECOMING A MODERATE CHOP.
MONDAY NIGHT AND TUESDAY
NORTH NORTHEAST WINDS 10 TO 15 KNOTS,
BECOMING NORTHWEST AROUND 10 KNOTS DURING THE AFTERNOON. SEAS 2
TO 4 FEET, OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A LIGHT
CHOP.
AMZ454-091100-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
259 PM EST THU JAN 8 2026
TONIGHT
SOUTHEAST WINDS AROUND 5 KNOTS. WAVES 1 FOOT OR LESS.
INTRACOASTAL WATERS SMOOTH. AREAS OF DENSE FOG DEVELOPING AFTER
MIDNIGHT, WITH VISIBILITIES LESS THAN ONE NAUTICAL MILE POSSIBLE.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE
DETAIL: EAST 2 FEET AT 5 SECONDS. INTRACOASTAL WATERS MOSTLY
SMOOTH. AREAS OF DENSE FOG THROUGH EARLY AFTERNOON, WITH
VISIBILITIES LESS THAN ONE NAUTICAL MILE POSSIBLE.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS. INTRACOASTAL WATERS
MOSTLY SMOOTH.
SATURDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. INTRACOASTAL WATERS A LIGHT
CHOP.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS. INTRACOASTAL WATERS MOSTLY SMOOTH.
SUNDAY
WEST WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST 20 TO 25
KNOTS WITH OCCASIONAL GUSTS TO GALE FORCE POSSIBLE LATE IN THE
AFTERNOON. SEAS 2 TO 3 FEET, BUILDING TO 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET IN THE AFTERNOON. WAVE DETAIL: WEST 2 FEET
AT 3 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS, BECOMING NORTHWEST
5 FEET AT 5 SECONDS. INTRACOASTAL WATERS BECOMING ROUGH. A CHANCE
OF SHOWERS.
SUNDAY NIGHT
NORTH WINDS 25 TO 30 KNOTS WITH OCCASIONAL GUSTS
TO GALE FORCE POSSIBLE. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET,
BUILDING TO 7 TO 9 FEET, OCCASIONALLY TO 11 FEET AFTER MIDNIGHT.
INTRACOASTAL WATERS VERY ROUGH.
MONDAY
NORTH WINDS 20 TO 25 KNOTS, BECOMING NORTH NORTHEAST AND
DIMINISHING TO AROUND 15 KNOTS. SEAS 7 TO 9 FEET, OCCASIONALLY TO
11 FEET, SUBSIDING TO 4 TO 5 FEET, OCCASIONALLY TO 6 FEET.
INTRACOASTAL WATERS BECOMING A MODERATE CHOP.
MONDAY NIGHT AND TUESDAY
NORTH WINDS 10 TO 15 KNOTS, BECOMING
NORTHWEST AROUND 10 KNOTS DURING THE AFTERNOON. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A LIGHT CHOP.
AMZ470-472-091100-
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-
259 PM EST THU JAN 8 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EST FRIDAY
TONIGHT
EAST SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2
FEET. WIDESPREAD DENSE FOG, WITH VISIBILITIES OF ONE NAUTICAL
MILE OR LESS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. WIDESPREAD DENSE FOG, WITH
VISIBILITIES OF ONE NAUTICAL MILE OR LESS THROUGH EARLY AFTERNOON.
AREAS OF DENSE FOG POSSIBLE DURING THE LATE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. PATCHY DENSE FOG.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUNDAY
WEST WINDS 15 TO 20 KNOTS, BECOMING NORTHWEST 20 TO
25 KNOTS WITH OCCASIONAL GUSTS TO GALE FORCE POSSIBLE LATE IN THE
AFTERNOON. SEAS 2 TO 3 FEET, BUILDING TO 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET IN THE AFTERNOON. WAVE DETAIL: WEST 3 FEET
AT 4 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS, BECOMING NORTHWEST
5 FEET AT 5 SECONDS AND SOUTHEAST 2 FEET AT 7 SECONDS. A CHANCE
OF SHOWERS.
SUNDAY NIGHT
NORTH WINDS 25 TO 30 KNOTS WITH OCCASIONAL GUSTS
TO GALE FORCE POSSIBLE. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET,
BUILDING TO 6 TO 9 FEET, OCCASIONALLY TO 11 FEET AFTER MIDNIGHT.
MONDAY
NORTH NORTHEAST WINDS 20 TO 25 KNOTS, DECREASING TO
AROUND 15 KNOTS DURING THE AFTERNOON. SEAS 5 TO 8 FEET,
OCCASIONALLY TO 10 FEET, SUBSIDING TO 4 TO 6 FEET, OCCASIONALLY
TO 8 FEET.
MONDAY NIGHT AND TUESDAY
NORTH NORTHEAST WINDS 10 TO 15 KNOTS,
BECOMING NORTHWEST AROUND 10 KNOTS DURING THE AFTERNOON. SEAS 2
TO 4 FEET, OCCASIONALLY TO 5 FEET.
AMZ474-091100-
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-
259 PM EST THU JAN 8 2026
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
AREAS OF DENSE FOG DEVELOPING AFTER MIDNIGHT, WITH VISIBILITIES
LESS THAN ONE NAUTICAL MILE POSSIBLE.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. AREAS OF DENSE FOG THROUGH
EARLY AFTERNOON, WITH VISIBILITIES LESS THAN ONE NAUTICAL MILE
POSSIBLE.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
SUNDAY
WEST WINDS 15 TO 20 KNOTS, BECOMING NORTHWEST 20 TO 25
KNOTS WITH OCCASIONAL GUSTS TO GALE FORCE POSSIBLE LATE IN THE
AFTERNOON. SEAS 2 TO 3 FEET, BUILDING TO 4 TO 6 FEET, OCCASIONALLY
TO 8 FEET IN THE AFTERNOON. WAVE DETAIL: WEST 3 FEET AT 3 SECONDS
AND SOUTHEAST 2 FEET AT 7 SECONDS, BECOMING NORTHWEST 5 FEET AT 5
SECONDS AND EAST 2 FEET AT 7 SECONDS. A CHANCE OF SHOWERS.
SUNDAY NIGHT
NORTH WINDS 25 TO 30 KNOTS WITH OCCASIONAL GUSTS
TO GALE FORCE POSSIBLE. SEAS 6 TO 9 FEET, OCCASIONALLY TO 11
FEET, BUILDING TO 8 TO 10 FEET, OCCASIONALLY TO 13 FEET AFTER
MIDNIGHT.
MONDAY
NORTH NORTHEAST WINDS 20 TO 25 KNOTS, DIMINISHING TO
AROUND 15 KNOTS DURING THE AFTERNOON. SEAS 7 TO 9 FEET,
OCCASIONALLY TO 11 FEET, SUBSIDING TO 4 TO 5 FEET, OCCASIONALLY TO
6 FEET.
MONDAY NIGHT AND TUESDAY
NORTH WINDS AROUND 10 KNOTS, BECOMING
NORTHWEST DURING THE AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO
5 FEET.
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