880
FZUS52 KJAX 161929
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
329 PM EDT MON MAR 16 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.
AMZ400-171000-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
329 PM EDT MON MAR 16 2026
SYNOPSIS
SMALL CRAFT ADVISORY CONDITIONS CONTINUE THIS AFTERNOON AHEAD OF A
STRONG COLD FRONTAL BOUNDARY PUSHES INTO THE LOCAL WATERS THROUGH
LATE AFTERNOON AND EXITS TO THE EAST THIS EVENING. STRONG TO SEVERE
THUNDERSTORMS ARE FORECAST TO IMPACT OUR LOCAL WATERS THROUGH THE
REMINDER OF THIS AFTERNOON, WITH THE POTENTIAL FOR DAMAGING WIND
GUSTS, WATERSPOUTS, AND LARGE HAIL. WINDS WILL SHIFT TO WESTERLY
FOLLOWING THE PASSAGE OF THE STRONG COLD FRONT, WITH STRONG
NORTHWESTERLY WINDS FORECAST TONIGHT AND TUESDAY MORNING THROUGHOUT
OUR LOCAL WATERS WITH GALE FORCE GUSTS POSSIBLE AS HIGH PRESSURE
BUILDS INTO THE SOUTHEASTERN STATES. WINDS WILL SHIFT TO NORTHERLY
ON TUESDAY AFTERNOON AND THEN NORTHEASTERLY BY WEDNESDAY AS HIGH
PRESSURE SHIFTS NORTHEASTWARD TOWARDS THE MID-ATLANTIC COAST. THIS
STRENGTHENING HIGH PRESSURE CENTER WILL WEDGE DOWN THE SOUTHEASTERN
SEABOARD LATER THIS WEEK, CREATING ANOTHER ROUND OF SMALL CRAFT
ADVISORY CONDITIONS ON WEDNESDAY NIGHT AND THURSDAY. WINDS AND SEAS
ARE EXPECTED TO DIMINISH BY FRIDAY AFTERNOON.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
MAR 16, 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.
AMZ450-452-454-171000-
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-
329 PM EDT MON MAR 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
..TORNADO WATCH 70 IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NORTHWEST WINDS 25 TO 30 KNOTS, DIMINISHING TO 20 TO
25 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: NORTHWEST 6 FEET AT 5 SECONDS AND SOUTH
4 FEET AT 6 SECONDS. INTRACOASTAL WATERS VERY ROUGH.
TUESDAY
NORTHWEST WINDS 20 TO 25 KNOTS, DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET, SUBSIDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET IN THE
AFTERNOON. WAVE DETAIL: NORTH 6 FEET AT 5 SECONDS AND SOUTHEAST
2 FEET AT 8 SECONDS, BECOMING NORTH 3 FEET AT 6 SECONDS AND EAST
2 FEET AT 8 SECONDS. INTRACOASTAL WATERS ROUGH.
TUESDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: NORTH 3 FEET AT 5 SECONDS AND EAST 2 FEET AT
8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.
WEDNESDAY
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTH 3 FEET AT 4 SECONDS
AND EAST 3 FEET AT 9 SECONDS. INTRACOASTAL WATERS A MODERATE
CHOP.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
NORTH WINDS 15 TO
20 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
NORTHEAST 4 FEET AT 5 SECONDS AND EAST 3 FEET AT 9 SECONDS.
INTRACOASTAL WATERS CHOPPY.
FRIDAY THROUGH SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS
3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTH 3 FEET AT
4 SECONDS AND NORTHEAST 3 FEET AT 7 SECONDS. INTRACOASTAL WATERS
CHOPPY.
AMZ470-472-474-171000-
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-
329 PM EDT MON MAR 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
TONIGHT
NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHWEST 7 FEET AT
6 SECONDS AND SOUTH 5 FEET AT 7 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING.
TUESDAY
NORTHWEST WINDS 20 TO 25 KNOTS, DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: NORTHWEST 7 FEET AT 6 SECONDS AND SOUTHEAST
3 FEET AT 8 SECONDS.
TUESDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTH 3 FEET AT 6 SECONDS
AND EAST 3 FEET AT 8 SECONDS.
WEDNESDAY
NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 4 FEET AT 9 SECONDS AND
NORTH 3 FEET AT 5 SECONDS.
WEDNESDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 4 FEET AT 9 SECONDS AND
NORTH 3 FEET AT 4 SECONDS.
THURSDAY
NORTH WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5 SECONDS AND EAST
4 FEET AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS.
THURSDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
FRIDAY THROUGH SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS
3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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