National Weather Service Marine Forecast FZUS52 KMLB

FZUS52 KMLB 180800
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
300 AM EST Sun Jan 18 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.

AMZ500-182015
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm 300 AM EST Sun Jan 18 2026

SYNOPSIS
Boating conditions rapidly deteriorate today as a strong cold front passes the local waters. A surge of northwest winds will spread across the waters behind the front, building seas. A brief period of gusts up to gale force will be possible near the front. A surface trough develops offshore into mid week, maintaining an extended period of poor conditions.

GULF STREAM HAZARDS
Increasing winds with wind gusts occasionally reaching gale-force today. Seas building 6 to 8 feet.

The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Sunday, January 18th, 2026.

42 nautical miles east of Ponce Inlet. 31 nautical miles east of Port Canaveral. 24 nautical miles east of Sebastian Inlet. 14 nautical miles east of Fort Pierce Inlet. 8 nautical miles east of Saint Lucie Inlet.


AMZ550-182015
Flagler Beach to Volusia-Brevard County Line 0-20 nm
300 AM EST Sun Jan 18 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING THROUGH LATE TONIGHT

TODAY
Southwest winds 10 to 15 knots, becoming west 25 to 30 knots late this morning, becoming northwest early this afternoon, diminishing to around 20 knots late. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet this afternoon. Wave Detail: Southwest 3 feet at 4 seconds and east 1 foot at 9 seconds, becoming northwest 5 feet at 6 seconds and southwest 3 feet at 4 seconds this afternoon. Very rough on the intracoastal waters. Showers likely this morning, then a chance of showers this afternoon.

TONIGHT
Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6 seconds and east 1 foot at 9 seconds. Choppy on the intracoastal waters.

MONDAY
Northwest winds 15 to 20 knots, becoming north 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: North 4 feet at 6 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

MONDAY NIGHT
North winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 6 seconds and east 2 feet at 9 seconds. A light chop on the intracoastal waters.

TUESDAY
North winds 15 to 20 knots. Seas 4 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

TUESDAY NIGHT
Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

WEDNESDAY
Northeast winds 10 to 15 knots. Seas 4 feet. A moderate chop on the intracoastal waters.

WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas 4 feet. A light chop on the intracoastal waters. A slight chance of showers after midnight.

THURSDAY
North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A moderate chop on the intracoastal waters. A chance of showers.

THURSDAY NIGHT
North winds around 15 knots. Seas 5 feet, occasionally to 6 feet. A light chop on the intracoastal waters. A chance of showers.


AMZ552-182015
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm
300 AM EST Sun Jan 18 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING THROUGH MONDAY MORNING

TODAY
Southwest winds 10 to 15 knots, increasing to 15 to 20 knots late this morning, becoming northwest 20 to 25 knots this afternoon. Seas 3 to 4 feet. Wave Detail: Northwest 4 feet at 5 seconds and south 3 feet at 4 seconds. Rough on the intracoastal waters. A chance of showers.

TONIGHT
Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 6 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

MONDAY
North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

MONDAY NIGHT
North winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 7 seconds and east 2 feet at 9 seconds. A light chop on the intracoastal waters.

TUESDAY
North winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

TUESDAY NIGHT
Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 6 seconds and east 3 feet at 9 seconds. Choppy on the intracoastal waters.

WEDNESDAY
East winds 10 to 15 knots. Seas 3 to 4 feet. A moderate chop on the intracoastal waters.

WEDNESDAY NIGHT
Northeast winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Mostly smooth on the intracoastal waters. A slight chance of showers after midnight.

THURSDAY
North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A moderate chop on the intracoastal waters. A chance of showers.

THURSDAY NIGHT
North winds around 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. A light chop on the intracoastal waters. A chance of showers.


AMZ555-182015
Sebastian Inlet to Jupiter Inlet 0-20 nm
300 AM EST Sun Jan 18 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH MONDAY AFTERNOON

TODAY
Southwest winds 10 to 15 knots, becoming west 15 to 20 knots early this afternoon, becoming northwest 20 to 25 knots late. Seas 3 to 4 feet. Wave Detail: West 4 feet at 4 seconds and northeast 1 foot at 7 seconds. Rough on the intracoastal waters. A chance of showers.

TONIGHT
Northwest winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

MONDAY
North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

MONDAY NIGHT
North winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 7 seconds and east 1 foot at 9 seconds. A light chop on the intracoastal waters.

TUESDAY
North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 6 seconds and east 1 foot at 9 seconds. Choppy on the intracoastal waters.

TUESDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 6 seconds and east 2 feet at 9 seconds. Choppy on the intracoastal waters.

WEDNESDAY
East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A moderate chop on the intracoastal waters.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A light chop on the intracoastal waters. A slight chance of showers in the evening, then a chance of showers after midnight.

THURSDAY
Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A moderate chop on the intracoastal waters. A chance of showers.

THURSDAY NIGHT
Northeast winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A light chop on the intracoastal waters. A chance of showers.


AMZ570-182015
Flagler Beach to Volusia-Brevard County Line 20-60 nm
300 AM EST Sun Jan 18 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING THROUGH MONDAY AFTERNOON

TODAY
Southwest winds 15 to 20 knots, becoming west 25 to 30 knots late this morning, becoming northwest with gusts up to 40 knots early this afternoon, diminishing to 20 to 25 knots late. Seas 3 to 4 feet, building to 5 to 7 feet, occasionally to 9 feet this afternoon. Wave Detail: Southwest 4 feet at 5 seconds and east 2 feet at 9 seconds, becoming northwest 7 feet at 6 seconds and south 4 feet at 5 seconds this afternoon. A chance of showers.

TONIGHT
Northwest winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 7 feet at 6 seconds and east 2 feet at 9 seconds.

MONDAY
Northwest winds 15 to 20 knots, becoming north 10 to 15 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 7 seconds and east 2 feet at 9 seconds.

MONDAY NIGHT
North winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 7 seconds and east 2 feet at 9 seconds.

TUESDAY
North winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 6 seconds and east 3 feet at 9 seconds.

TUESDAY NIGHT
Northeast winds 10 to 15 knots. 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
East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers in the evening, then a chance of showers after midnight.

THURSDAY
North winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers.

THURSDAY NIGHT
North winds around 15 knots. Seas 6 to 7 feet, occasionally to 9 feet. A chance of showers.


AMZ572-182015
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm
300 AM EST Sun Jan 18 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING THROUGH MONDAY AFTERNOON

TODAY
Southwest winds 15 to 20 knots, increasing to 20 to 25 knots late this morning, becoming west early this afternoon, becoming northwest late. Seas 3 to 4 feet, building to 5 to 7 feet, occasionally to 9 feet this afternoon. Wave Detail: Southwest 4 feet at 4 seconds and east 2 feet at 9 seconds, becoming west 6 feet at 6 seconds and east 2 feet at 9 seconds this afternoon. A chance of showers.

TONIGHT
Northwest winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northwest 7 feet at 7 seconds and east 2 feet at 9 seconds.

MONDAY
North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 7 feet at 7 seconds and east 2 feet at 9 seconds.

MONDAY NIGHT
North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 7 seconds and east 2 feet at 9 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 9 seconds.

TUESDAY NIGHT
Northeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 6 seconds and east 3 feet at 9 seconds.

WEDNESDAY
East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. A slight chance of showers in the evening, then a chance of showers after midnight.

THURSDAY
Northeast winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers.

THURSDAY NIGHT
Northeast winds around 15 knots. Seas 6 to 7 feet, occasionally to 9 feet. Showers likely in the evening, then a chance of showers after midnight.


AMZ575-182015
Sebastian Inlet to Jupiter Inlet 20-60 nm
300 AM EST Sun Jan 18 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH MONDAY AFTERNOON

TODAY
Southwest winds 10 to 15 knots, increasing to 15 to 20 knots late this morning, becoming west 20 to 25 knots early this afternoon, becoming northwest late. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet this afternoon. Wave Detail: Southwest 3 feet at 4 seconds and north 1 foot at 6 seconds, becoming north 6 feet at 7 seconds and southwest 4 feet at 4 seconds this afternoon. A chance of showers.

TONIGHT
Northwest winds 20 to 25 knots, becoming north 15 to 20 knots after midnight. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: North 7 feet at 7 seconds and east 2 feet at 9 seconds.

MONDAY
North winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 7 feet at 8 seconds and east 2 feet at 9 seconds.

MONDAY NIGHT
North winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 7 seconds and east 2 feet at 9 seconds.

TUESDAY
Northeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 6 seconds and east 2 feet at 9 seconds.

TUESDAY NIGHT
Northeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 6 seconds and east 2 feet at 9 seconds.

WEDNESDAY
East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. A slight chance of showers in the afternoon.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. A slight chance of showers in the evening, then a chance of showers after midnight.

THURSDAY
Northeast winds 10 to 15 knots, becoming north in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet. A chance of showers in the morning, then showers likely in the afternoon.

THURSDAY NIGHT
Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Showers likely in the evening, then a chance of showers after midnight.