172
FZUS52 KMLB 171827
CWFMLB
COASTAL WATERS FORECAST FOR EAST CENTRAL FLORIDA
NATIONAL WEATHER SERVICE MELBOURNE FL
ISSUED BY NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
227 PM EDT THU SEP 17 2026
ATLANTIC COASTAL WATERS FROM FLAGLER BEACH TO JUPITER INLET OUT 60 NM.
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST
ONE THIRD OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE
AVERAGE HIGHEST TEN PERCENT OF THE WAVES.
AMZ500-180715-
SYNOPSIS FOR FLAGLER BEACH TO JUPITER INLET OUT TO 60 NM
227 PM EDT THU SEP 17 2026
SYNOPSIS
EAST TO NORTHEAST WINDS AROUND 15-20 KNOTS ARE FORECAST THROUGH THE
REST OF THE AFTERNOON, THEN WILL DECREASE TONIGHT. ISOLATED TO
SCATTERED SHOWERS AND ISOLATED STORMS WILL CONTINUE TO DEVELOP
ACROSS THE WATERS, PUSHING WESTWARD EACH DAY. MORE FAVORABLE BOATING
CONDITIONS RETURN STARTING TOMORROW AND CONTINUE THROUGH THE
WEEKEND, THOUGH SHOWER AND STORM ACTIVITY WILL STILL BE THE MAIN
HAZARD.
GULF STREAM HAZARDS
NORTHEAST WINDS 15 TO 20 KNOTS, WITH SEAS
OF 6 TO 7 FEET.
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM BASED ON
THE REAL TIME OCEAN FORECAST SYSTEM AS OF THURSDAY, SEPTEMBER 17TH, 2026.
44 NAUTICAL MILES EAST OF PONCE INLET.
33 NAUTICAL MILES EAST OF PORT CANAVERAL.
26 NAUTICAL MILES EAST OF SEBASTIAN INLET.
17 NAUTICAL MILES EAST OF FORT PIERCE INLET.
10 NAUTICAL MILES EAST OF SAINT LUCIE INLET.
AMZ550-180715-
FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM-
227 PM EDT THU SEP 17 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET. CHOPPY ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
MODERATE CHOP ON THE INTRACOASTAL WATERS. A SLIGHT CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN A SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
MOSTLY SMOOTH ON THE INTRACOASTAL WATERS. A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET. A LIGHT
CHOP ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET. MOSTLY
SMOOTH ON THE INTRACOASTAL WATERS. A SLIGHT CHANCE OF
THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET. A LIGHT
CHOP ON THE INTRACOASTAL WATERS. SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
EAST WINDS AROUND 5 KNOTS. SEAS 2 FEET. SMOOTH ON
THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
NORTH WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 2 FEET. A LIGHT CHOP ON THE INTRACOASTAL WATERS.
A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
MONDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING
SOUTHWEST AFTER MIDNIGHT. SEAS 2 FEET. SMOOTH ON THE INTRACOASTAL
WATERS. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
NORTH WINDS AROUND 5 KNOTS, BECOMING NORTHEAST IN THE
AFTERNOON. SEAS 2 FEET. A LIGHT CHOP ON THE INTRACOASTAL WATERS.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS AROUND 5 KNOTS. SEAS 2 FEET. SMOOTH
ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ552-180715-
VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20 NM-
227 PM EDT THU SEP 17 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. CHOPPY ON THE INTRACOASTAL WATERS. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY THIS EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
MODERATE CHOP ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
MOSTLY SMOOTH ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SATURDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET. A LIGHT
CHOP ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET. MOSTLY
SMOOTH ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET. A LIGHT
CHOP ON THE INTRACOASTAL WATERS. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 2 FEET. SMOOTH ON THE INTRACOASTAL WATERS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 2 FEET. SMOOTH ON THE INTRACOASTAL WATERS. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON.
MONDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 FEET. SMOOTH ON THE INTRACOASTAL WATERS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
WEST WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 2 FEET. SMOOTH ON THE INTRACOASTAL WATERS. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS AROUND 5 KNOTS. SEAS 2 FEET. SMOOTH
ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ555-180715-
SEBASTIAN INLET TO JUPITER INLET 0-20 NM-
227 PM EDT THU SEP 17 2026
TONIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS LATE. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. A LIGHT
CHOP ON THE INTRACOASTAL WATERS. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
FRIDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A
LIGHT CHOP ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY NIGHT
EAST WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET.
SMOOTH ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SATURDAY
EAST WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET. SMOOTH
ON THE INTRACOASTAL WATERS. A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
SATURDAY NIGHT
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 2 FEET. SMOOTH ON THE INTRACOASTAL WATERS. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
SUNDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 2 FEET. SMOOTH ON THE INTRACOASTAL WATERS. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING
SOUTHWEST AFTER MIDNIGHT. SEAS 1 TO 2 FEET. SMOOTH ON THE
INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS 1 TO 2 FEET. SMOOTH ON THE INTRACOASTAL
WATERS. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING,
THEN SHOWERS WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.
MONDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET.
SMOOTH ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. SMOOTH ON THE INTRACOASTAL WATERS. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS
AND THUNDERSTORMS LIKELY IN THE AFTERNOON.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 2 FEET.
SMOOTH ON THE INTRACOASTAL WATERS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
AMZ570-180715-
FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 20-60 NM-
227 PM EDT THU SEP 17 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET.
A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
SUNDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
MONDAY
NORTH WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. SHOWERS LIKELY WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
MONDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT.
TUESDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING NORTHEAST IN
THE AFTERNOON. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET.
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
AMZ572-180715-
VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60 NM-
227 PM EDT THU SEP 17 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY THIS EVENING,
THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON.
FRIDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 FEET. A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
MONDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. A CHANCE OF THUNDERSTORMS. A CHANCE
OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT.
TUESDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
AMZ575-180715-
SEBASTIAN INLET TO JUPITER INLET 20-60 NM-
227 PM EDT THU SEP 17 2026
TONIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS LATE. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
FRIDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 3 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY
EAST WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS.
SUNDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING NORTHEAST IN
THE AFTERNOON. SEAS 2 FEET. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 FEET. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
MONDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS 2 FEET. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
TUESDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 3 FEET. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 2 FEET. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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