Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home About Us Contact Us
 
 
    
    Station List

 Data Access
    Mobile Access
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    BuoyCAMs
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Web Widget
    Web Data Guide
    Maintenance Schedule
    Station Status Report

 Program Info
    TAO
    DART®
    IOOS®

 Publications
    NDBC PEA
    NDBC FONSI
    NDBC DQC Handbook

 Visitor Information
 
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.

National Weather Service Marine Forecast FZUS52 KMFL

FZUS52 KMFL 202027
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
327 PM EST Thu Feb 20 2020

Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to 60
nm and Gulf coastal waters from East Cape Sable to Chokoloskee out
20 nm and Chokoloskee to Bonita Beach out 60 nm...including the
waters of Biscayne Bay and Lake Okeechobee.

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
10 percent of the waves.

AMZ600-GMZ606-210330-
Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for East
Cape Sable to Bonita Beach FL out to 60 nm-
327 PM EST Thu Feb 20 2020

SYNOPSIS
A cold front will move through the South Florida
waters early Friday, moving south of the peninsula by Friday
afternoon. Strong and gusty north wind and building seas behind
the front on Friday, reaching gale force over the Atlantic
waters. Strong and gusty north to northeast wind continue Friday
night and Saturday as high pressure moves over the Southeast
U.S. and adjacent western Atlantic, with periodic showers mainly
over the Atlantic waters. Wind and seas will start subsiding on
Sunday as the high pressure weakens and moves farther out into
the Atlantic, and turn southeast and south early next week.

GULF STREAM HAZARDS
Seas building to 8 to 12 feet late Friday
and Friday night with Gale force gusts. Seas 9 to 13 feet
Saturday and Saturday night, then subside on Sunday.

The approximate location of the west wall of the Gulf Stream as of
Feb 20, 2020 at 1200 UTC...

  8 nautical miles east northeast of Fowey Rocks.
 11 nautical miles east of Port Everglades.
 11 nautical miles east northeast of Lake Worth.
 12 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.



AMZ650-670-210330-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out
20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
327 PM EST Thu Feb 20 2020

...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY
MORNING...

TONIGHT
Southwest winds 10 to 15 knots becoming west
northwest after midnight. Gusts up to 25 knots. Seas around
2 feet building to 2 to 4 feet with occasional seas to 5 feet
after midnight. Period 3 seconds increasing to 8 seconds after
midnight. Intracoastal waters a light chop. Chance of showers in
the evening, then slight chance of showers after midnight.

FRIDAY
Northwest winds 10 to 20 knots with gusts to around
30 knots becoming north 20 to 25 knots with gusts to around
40 knots in the afternoon. Seas 5 to 7 feet with occasional seas
to 9 feet building to 10 to 12 feet with occasional seas to
15 feet in the afternoon. Period 8 seconds. North swell 3 to
5 feet in the afternoon. Intracoastal waters a moderate chop.
Chance of showers in the morning, then showers likely in the
afternoon.

FRIDAY NIGHT
North northeast winds 20 to 25 knots with gusts
to around 40 knots. Seas 12 to 14 feet with occasional seas to
18 feet. Period 9 seconds. North swell 3 to 7 feet increasing to
4 to 9 feet after midnight. Intracoastal waters a moderate chop.
Chance of showers.

SATURDAY
Northeast winds 20 to 25 knots with gusts to around
35 knots. Seas 12 to 14 feet with occasional seas to 18 feet.
Period 10 seconds. North swell 4 to 9 feet. Intracoastal waters
rough in exposed areas. Chance of showers.

SATURDAY NIGHT
Northeast winds 15 to 20 knots with gusts to
around 30 knots. Seas 10 to 12 feet with occasional seas to
15 feet subsiding to 8 to 10 feet with occasional seas to
13 feet after midnight. North northeast swell 3 to 8 feet.
Intracoastal waters choppy in exposed areas. Slight chance of
showers.

SUNDAY
East northeast winds 10 to 15 knots with gusts to
around 25 knots. Seas 6 to 8 feet with occasional seas to
10 feet. North northeast swell 3 to 5 feet becoming northeast
3 feet in the afternoon. Intracoastal waters a moderate chop.

SUNDAY NIGHT
East winds 10 to 15 knots with gusts to around
25 knots. Seas 4 to 6 feet with occasional seas to 8 feet.
Northeast swell 3 feet in the evening. Intracoastal waters a
moderate chop.

MONDAY
Southeast winds around 15 knots with gusts to around
25 knots. Seas 3 to 5 feet with occasional seas to 6 feet.
Intracoastal waters a moderate chop.

MONDAY NIGHT
South southeast winds 15 to 20 knots with gusts
to around 25 knots. Seas 2 to 4 feet with occasional seas to
5 feet. Intracoastal waters a moderate chop. Slight chance of
showers after midnight.

TUESDAY
South winds 15 to 20 knots with gusts to around
30 knots. Seas 2 to 4 feet with occasional seas to 5 feet.
Intracoastal waters a moderate chop. Slight chance of showers.



AMZ651-671-210330-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-
327 PM EST Thu Feb 20 2020

...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY
MORNING...

TONIGHT
South southwest winds 5 to 10 knots becoming west
5 to 15 knots after midnight. Seas around 2 feet. Period
5 seconds. Intracoastal waters a light chop. Slight chance of
showers.

FRIDAY
North northwest winds 15 to 25 knots with gusts to
around 35 knots. Seas 2 to 4 feet with occasional seas to 5 feet
building to 7 to 9 feet with occasional seas to 11 feet in the
afternoon. Period 8 seconds. Intracoastal waters a moderate
chop. Slight chance of showers in the morning, then chance of
showers in the afternoon.

FRIDAY NIGHT
North winds 20 to 25 knots with gusts to around
40 knots. Seas 10 to 12 feet with occasional seas to 15 feet.
Period 9 seconds. North swell 3 to 6 feet. Intracoastal waters a
moderate chop. Chance of showers.

SATURDAY
Northeast winds 20 to 25 knots with gusts to around
35 knots. Seas 10 to 12 feet with occasional seas to 15 feet.
Period 10 seconds. North swell 3 to 7 feet. Intracoastal waters
rough in exposed areas. Chance of showers.

SATURDAY NIGHT
Northeast winds 15 to 20 knots with gusts to
around 30 knots. Seas 9 to 11 feet with occasional seas to
14 feet subsiding to 7 to 9 feet with occasional seas to 11 feet
after midnight. North swell 3 to 6 feet. Intracoastal waters
choppy in exposed areas. Slight chance of showers.

SUNDAY
East northeast winds 10 to 20 knots with gusts to
around 25 knots. Seas 6 to 8 feet with occasional seas to
10 feet subsiding to 4 to 6 feet with occasional seas to 8 feet
in the afternoon. North swell 3 to 4 feet. Intracoastal waters
choppy in exposed areas.

SUNDAY NIGHT
East winds 10 to 20 knots with gusts to around
25 knots. Seas 3 to 5 feet with occasional seas to 6 feet.
Intracoastal waters choppy in exposed areas.

MONDAY
East southeast winds 10 to 15 knots with gusts to
around 25 knots. Seas 2 to 4 feet with occasional seas to
5 feet. Intracoastal waters a moderate chop.

MONDAY NIGHT
Southeast winds 10 to 20 knots with gusts to
around 25 knots. Seas 2 to 4 feet with occasional seas to
5 feet. Intracoastal waters choppy in exposed areas. Slight
chance of showers after midnight.

TUESDAY
South winds 10 to 20 knots with gusts to around
25 knots. Seas 2 to 4 feet with occasional seas to 5 feet.
Intracoastal waters a moderate chop. Slight chance of showers.



AMZ630-210330-
Biscayne Bay-
327 PM EST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY MORNING...

TONIGHT
Southwest winds 5 to 10 knots becoming west northwest
after midnight. Bay waters a light chop.

FRIDAY
Northwest winds 5 to 10 knots becoming north northwest
10 to 20 knots with gusts to around 30 knots in the afternoon.
Bay waters choppy. Slight chance of showers in the afternoon.

FRIDAY NIGHT
North winds 15 to 20 knots with gusts to around
30 knots. Bay waters choppy. Slight chance of showers in the
evening.

SATURDAY
North northeast winds 15 to 20 knots with gusts to
around 30 knots. Bay waters choppy. Slight chance of showers in
the morning, then chance of showers in the afternoon.

SATURDAY NIGHT
Northeast winds around 15 knots with gusts to
around 25 knots. Bay waters a moderate chop. Slight chance of
showers.

SUNDAY
East northeast winds 10 to 15 knots with gusts to
around 20 knots. Bay waters a moderate chop.

SUNDAY NIGHT
East winds around 10 knots with gusts to around
20 knots. Bay waters a light chop.

MONDAY
East southeast winds 10 to 15 knots. Bay waters a
moderate chop.

MONDAY NIGHT
Southeast winds 10 to 15 knots with gusts to
around 25 knots. Bay waters a moderate chop.

TUESDAY
South winds 10 to 15 knots with gusts to around
20 knots. Bay waters a moderate chop. Slight chance of showers.



GMZ656-657-210330-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
327 PM EST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY MORNING...

TONIGHT
West northwest winds 5 to 10 knots. Seas less than
2 feet. Period 2 seconds. Bay and inland waters a light chop.

FRIDAY
North winds 10 to 20 knots with gusts to around
30 knots. Seas around 2 feet building to 2 to 4 feet with
occasional seas to 5 feet in the afternoon. Period 2 seconds.
Bay and inland waters a moderate chop.

FRIDAY NIGHT
North northeast winds 15 to 20 knots with gusts
to around 30 knots. Seas 3 to 5 feet with occasional seas to
6 feet. Period 4 seconds. Bay and inland waters a moderate chop.

SATURDAY
North northeast winds 15 to 20 knots with gusts to
around 30 knots. Seas 2 to 4 feet with occasional seas to
5 feet. Period 3 seconds. Bay and inland waters a moderate chop.

SATURDAY NIGHT
Northeast winds 10 to 20 knots with gusts to
around 25 knots. Seas 2 to 3 feet. Bay and inland waters a
moderate chop.

SUNDAY
East northeast winds 5 to 15 knots. Seas around
2 feet. Bay and inland waters a light chop.

SUNDAY NIGHT
East winds 5 to 15 knots with gusts to around
20 knots. Seas around 2 feet. Bay and inland waters a light
chop.

MONDAY AND MONDAY NIGHT
Southeast winds 10 to 15 knots with
gusts to around 20 knots. Seas around 2 feet. Bay and inland
waters a light chop.

TUESDAY
South winds 5 to 15 knots with gusts to around
20 knots. Seas around 2 feet. Bay and inland waters a light
chop. Slight chance of showers.



GMZ676-210330-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
327 PM EST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY MORNING...

TONIGHT
West northwest winds 10 knots. Seas less than 2 feet.
Period 3 seconds.

FRIDAY
North winds 10 to 20 knots with gusts to around
30 knots. Seas 2 to 4 feet with occasional seas to 5 feet
building to 4 to 6 feet with occasional seas to 8 feet in the
afternoon. Period 2 seconds increasing to 7 seconds in the
afternoon.

FRIDAY NIGHT
North northeast winds 20 to 25 knots with gusts
to around 30 knots. Seas 5 to 7 feet with occasional seas to
9 feet. Period 7 seconds.

SATURDAY
North northeast winds 15 to 20 knots with gusts to
around 30 knots. Seas 4 to 6 feet with occasional seas to
8 feet. Period 6 seconds.

SATURDAY NIGHT
Northeast winds 15 to 20 knots with gusts to
around 25 knots. Seas 2 to 4 feet with occasional seas to
5 feet.

SUNDAY
Northeast winds 5 to 15 knots with gusts to around
25 knots. Seas 2 to 4 feet with occasional seas to 5 feet.

SUNDAY NIGHT
East winds 5 to 15 knots with gusts to around
20 knots. Seas around 2 feet.

MONDAY AND MONDAY NIGHT
South southeast winds 10 to 15 knots
with gusts to around 20 knots. Seas 2 to 3 feet.

TUESDAY
South winds 10 to 15 knots. Seas around 2 feet.
Slight chance of showers.



AMZ610-210330-
Lake Okeechobee-
327 PM EST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY MORNING...

TONIGHT
West winds 5 to 10 knots. Lake waters a light chop.

FRIDAY
North winds 5 to 15 knots becoming 15 to 20 knots in
the afternoon. Gusts up to 30 knots. Lake waters choppy. Chance
of showers in the morning, then slight chance of showers in the
afternoon.

FRIDAY NIGHT
North winds 15 to 20 knots with gusts to around
30 knots. Lake waters choppy.

SATURDAY
North northeast winds 10 to 15 knots with gusts to
around 25 knots. Lake waters a moderate chop. Slight chance of
showers in the afternoon.

SATURDAY NIGHT
North northeast winds 10 to 15 knots. Lake
waters a moderate chop.

SUNDAY AND SUNDAY NIGHT
East winds 5 to 10 knots. Lake waters
a light chop.

MONDAY
Southeast winds 5 to 10 knots. Lake waters a light
chop.

MONDAY NIGHT
South southeast winds 5 to 10 knots. Lake waters
a light chop.

TUESDAY
South southwest winds 5 to 10 knots. Lake waters a
light chop. Chance of showers in the afternoon.