644
FZUS52 KJAX 191730
CWFJAX
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
129 PM EDT TUE AUG 19 2025
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.
AMZ400-200800-
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-
129 PM EDT TUE AUG 19 2025
SYNOPSIS
HIGH PRESSURE ACROSS NEW ENGLAND EXTENDS SOUTH ACROSS NORTH GEORGIA
TODAY AS HURRICANE ERIN TRACKS NORTHWEST TO NORTH, REMAINING EAST OF
THE BAHAMAS. THIS PATTERN WILL BRING STRENGTHENING NORTHEAST WINDS
OVER THE LOCAL WATERS TODAY AS SWELLS CONTINUE TO BUILD. ERIN TRACKS
NORTH TONIGHT AND THEN NORTHEAST INTO LATE WEDNESDAY REMAINING
OFFSHORE OF THE NORTH CAROLINA COAST. AN EXTENDED PERIOD OF SMALL
CRAFT CONDITIONS WILL IMPACT THE LOCAL WATERS THROUGH SATURDAY DUE
TO LINGERING SWELLS. A FRONT WILL STALL ACROSS THE REGION FRIDAY
INTO THE WEEKEND BRINGING AN INCREASE IN SHOWER AND THUNDERSTORM
ACTIVITY.
GULF STREAM
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF
AUG 16, 2025 AT 1200 UTC...
57 NAUTICAL MILES EAST OF FLAGLER BEACH.
63 NAUTICAL MILES EAST NORTHEAST OF SAINT AUGUSTINE BEACH.
68 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.
75 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
AMZ450-452-454-200800-
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-
129 PM EDT TUE AUG 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 7 FEET AT
15 SECONDS AND NORTHEAST 3 FEET AT 5 SECONDS. INTRACOASTAL WATERS
CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE THIS
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS THIS
AFTERNOON.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET. WAVE DETAIL: EAST 8 FEET AT 17 SECONDS
AND NORTHEAST 4 FEET AT 6 SECONDS. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 7 TO 10 FEET,
OCCASIONALLY TO 13 FEET. WAVE DETAIL: EAST 9 FEET AT 15 SECONDS
AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS CHOPPY. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 7 TO
10 FEET, OCCASIONALLY TO 13 FEET. WAVE DETAIL: EAST 9 FEET AT
15 SECONDS AND NORTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL WATERS
LIGHT CHOP.
THURSDAY
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: EAST 8 FEET AT 14 SECONDS AND SOUTHEAST 2 FEET AT
7 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING WEST AFTER
MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
EAST 6 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS.
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN THUNDERSTORMS
LIKELY IN THE AFTERNOON. SHOWERS LIKELY. A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST.
SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS
LIGHT CHOP. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
SHOWERS. THUNDERSTORMS LIKELY IN THE AFTERNOON, THEN A CHANCE OF
THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ470-472-474-200800-
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-
129 PM EDT TUE AUG 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TODAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO
8 FEET, OCCASIONALLY TO 10 FEET, BUILDING TO 7 TO 10 FEET,
OCCASIONALLY TO 13 FEET THIS AFTERNOON. WAVE DETAIL: EAST 8 FEET
AT 15 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS, BECOMING EAST
9 FEET AT 17 SECONDS AND NORTHEAST 4 FEET AT 6 SECONDS. A CHANCE
OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS LATE THIS MORNING,
THEN A CHANCE OF THUNDERSTORMS THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 8 TO 11 FEET,
OCCASIONALLY TO 14 FEET. WAVE DETAIL: SOUTHEAST 10 FEET AT
17 SECONDS AND NORTHEAST 4 FEET AT 7 SECONDS. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
WEDNESDAY
NORTH WINDS 15 TO 20 KNOTS. SEAS 9 TO 13 FEET,
OCCASIONALLY TO 17 FEET. WAVE DETAIL: SOUTHEAST 11 FEET AT
15 SECONDS AND NORTH 5 FEET AT 7 SECONDS. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.
WEDNESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 9 TO
13 FEET, OCCASIONALLY TO 17 FEET. WAVE DETAIL: EAST 12 FEET AT
15 SECONDS AND NORTHEAST 5 FEET AT 8 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
WEST WINDS 10 TO 15 KNOTS. SEAS
6 TO 9 FEET, OCCASIONALLY TO 11 FEET. WAVE DETAIL: EAST 9 FEET AT
13 SECONDS AND SOUTHEAST 2 FEET AT 7 SECONDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
FRIDAY THROUGH SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS
5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST
7 FEET AT 13 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS. SHOWERS
WITH A CHANCE OF THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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