National Data Buoy Center NWS Marine Forecast (2024)

FZUS52 KKEY 251418
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1018 AM EDT Thu Apr 25 2024

Florida Bay, Hawk Channel and Straits of Florida from Ocean Reefto south of Dry Tortugas, and the extreme southeastern Gulf ofMexico, including The Florida Keys National Marine Sanctuary

Seas are given as significant wave height, which is the averageheight of the highest 1/3 of the waves. Individual waves may bemore than twice the significant wave height.

GMZ005-252100
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas1018 AM EDT Thu Apr 25 2024

SYNOPSIS
Gentle to moderate breezes will prevail in the nearterm as an Atlantic ridge remains extended westward acrossFlorida. This high will be subsumed by a larger high spreadinginto the western North Atlantic late this week and into theweekend. This will be accompanied by sharply freshening easterlybreezes.

The Approximate Shoreward Edge of the Gulf Stream is currentlyunavailable.

GMZ031-252100
Florida Bay including Barnes Sound, Blackwater Sound, andButtonwood Sound
1018 AM EDT Thu Apr 25 2024

THIS AFTERNOON
Northeast to east winds 10 to 15 knots,increasing to near 15 knots. Bay waters a light to moderate chop,becoming a moderate chop.

TONIGHT
Northeast to east winds near 15 knots. Bay waters amoderate chop.

FRIDAY
East winds 10 to 15 knots, increasing to 15 to 20 knotsin the afternoon. Bay waters a light to moderate chop, becomingchoppy.

FRIDAY NIGHT AND SATURDAY
East winds near 20 knots. Bay watersrough.

SATURDAY NIGHT
East winds 20 to 25 knots. Bay waters veryrough. Isolated showers.

SUNDAY AND SUNDAY NIGHT
East winds near 20 knots. Bay watersrough. Isolated showers.

MONDAY AND MONDAY NIGHT
East winds 15 to 20 knots. Bay waterschoppy. Isolated showers.

GMZ032-035-252100
Bayside and Gulf side from Craig Key to west end of Seven MileBridge
Gulf of Mexico from west end of Seven Mile Bridge to HalfmoonShoal out to 5 Fathoms
1018 AM EDT Thu Apr 25 2024

THIS AFTERNOON
Northeast to east winds 10 to 15 knots,increasing to near 15 knots. Seas 1 to 2 feet. Nearshore waters alight to moderate chop, becoming a moderate chop.

TONIGHT
East winds 15 to 20 knots. Seas 1 to 2 feet, except2 to 3 feet west of the Marquesas Keys. Nearshore waters choppy.

FRIDAY
East winds 15 to 20 knots early. Seas 1 to 2 feet,except building to 2 to 3 feet west of the Marquesas Keys.Nearshore waters choppy.

FRIDAY NIGHT
East winds 20 to 25 knots. Seas 2 to 3 feet,except 3 to 5 feet west of the Marquesas Keys. Nearshore watersvery rough.

SATURDAY
East winds near 20 knots. Seas 2 to 3 feet, except4 to 5 feet west of the Marquesas Keys. Nearshore waters rough.

SATURDAY NIGHT
East winds 20 to 25 knots. Seas 2 to 4 feet,except 4 to 6 feet west of the Marquesas Keys. Nearshore watersvery rough. Isolated showers.

SUNDAY
East winds near 20 knots. Seas 2 to 3 feet, except 4 to5 feet west of the Marquesas Keys. Nearshore waters rough.Isolated showers.

SUNDAY NIGHT
East winds 20 to 25 knots. Seas 2 to 3 feet,except 4 to 5 feet west of the Marquesas Keys. Nearshore watersvery rough. Isolated showers.

MONDAY
East winds 15 to 20 knots. Seas 2 to 3 feet, except3 to 4 feet west of the Marquesas Keys. Nearshore waters choppy.Isolated showers.

MONDAY NIGHT
East winds near 20 knots. Seas 2 to 3 feet,except 3 to 4 feet west of the Marquesas Keys. Nearshore watersrough. Isolated showers.

GMZ042>044-252100
Hawk Channel from Ocean Reef to Craig Key out to the reef
Hawk Channel from Craig Key to west end of Seven Mile Bridge outto the reef
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoalout to the reef
1018 AM EDT Thu Apr 25 2024

THIS AFTERNOON
Northeast to east winds 10 to 15 knots,increasing to near 15 knots. Seas 1 to 2 feet, building to around2 feet. Nearshore waters a light to moderate chop, becoming amoderate chop.

TONIGHT
East winds 15 to 20 knots. Seas building to 2 to 4feet. Nearshore waters choppy.

FRIDAY
East winds 15 to 20 knots. Seas 2 to 4 feet. Nearshorewaters choppy.

FRIDAY NIGHT
East winds 20 to 25 knots. Seas 3 to 5 feet,except 4 to 6 feet west of Cosgrove Shoal Light. Nearshore watersvery rough.

SATURDAY
East winds near 20 knots. Seas 3 to 5 feet. Nearshorewaters rough.

SATURDAY NIGHT
East winds 20 to 25 knots. Seas 4 to 6 feet,except 6 to 7 feet west of Cosgrove Shoal Light. Nearshore watersvery rough. Isolated showers.

SUNDAY
East winds near 20 knots. Seas subsiding to 3 to 5feet. Nearshore waters rough. Isolated showers.

SUNDAY NIGHT
East winds 20 to 25 knots. Seas 3 to 5 feet,except 4 to 6 feet west of Cosgrove Shoal Light. Nearshore watersvery rough. Isolated showers.

MONDAY
East winds 15 to 20 knots. Seas 3 to 5 feet. Nearshorewaters choppy. Isolated showers.

MONDAY NIGHT
East winds near 20 knots. Seas 3 to 5 feet.Nearshore waters rough. Isolated showers.

GMZ052>055-072>075-252100
Straits of Florida from Ocean Reef to Craig Key out 20 NM
Straits of Florida from Craig Key to west end of Seven MileBridge out 20 NM
Straits of Florida from west end of Seven Mile Bridge to south ofHalfmoon Shoal out 20 NM
Straits of Florida from Halfmoon Shoal to 20 NM west of DryTortugas out 20 NM
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out
Straits of Florida from Craig Key to west end of Seven MileBridge 20 to 60 NM out
Straits of Florida from west end of Seven Mile Bridge to south ofHalfmoon Shoal 20 to 60 NM out
Straits of Florida from Halfmoon Shoal to 20 NM west of DryTortugas 20 to 60 NM out
1018 AM EDT Thu Apr 25 2024

THIS AFTERNOON
Northeast to east winds 10 to 15 knots,increasing to near 15 knots in the afternoon. Seas 2 to 4 feet.

TONIGHT
Northeast to east winds 15 to 20 knots. Seas 3 to 5feet.

FRIDAY
East winds 15 to 20 knots. Seas 4 to 6 feet.

FRIDAY NIGHT
East winds 20 to 25 knots. Seas building to 6 to 8feet. Isolated showers.

SATURDAY
East winds 20 to 25 knots. Seas 5 to 7 feet. Isolatedshowers.

SATURDAY NIGHT
East winds 20 to 25 knots. Seas 6 to 9 feet.Isolated showers.

SUNDAY AND SUNDAY NIGHT
East winds 20 to 25 knots. Seas 6 to 8feet. Isolated showers.

MONDAY
East winds decreasing to 15 to 20 knots. Seas 5 to 7feet. Isolated showers.

MONDAY NIGHT
East winds near 20 knots. Seas 5 to 7 feet.Isolated showers.

GMZ033-034-252100
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM outand beyond 5 fathoms
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel
1018 AM EDT Thu Apr 25 2024

THIS AFTERNOON
Northeast to east winds near 10 knots,increasing to 10 to 15 knots. Seas 1 to 2 feet.

TONIGHT
East to southeast winds 10 to 15 knots, increasing toeast 15 to 20 knots after midnight. Seas 1 to 2 feet, building to2 to 4 feet.

FRIDAY
East winds 15 to 20 knots. Seas 2 to 4 feet.

FRIDAY NIGHT
East winds increasing to 20 to 25 knots. Seasbuilding to 4 to 6 feet.

SATURDAY
East winds near 20 knots. Seas 4 to 6 feet.

SATURDAY NIGHT
East winds 20 to 25 knots. Seas 5 to 7 feet.

SUNDAY
East to southeast winds near 20 knots. Seas 4 to6 feet. Isolated showers.

SUNDAY NIGHT
East winds 20 to 25 knots. Seas 4 to 6 feet.Isolated showers.

MONDAY
East to southeast winds decreasing to 15 to 20 knots.Seas 3 to 5 feet.

MONDAY NIGHT
East winds near 20 knots. Seas 3 to 5 feet.Isolated showers.

National Data Buoy Center NWS Marine Forecast (2024)

FAQs

What does the National Data Buoy Center do? ›

The National Data Buoy Center (NDBC) is a part of the National Oceanic and Atmospheric Administration's (NOAA) National Weather Service (NWS). NDBC designs, develops, operates, and maintains a network of data collecting buoys and coastal stations.

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How are NOAA buoys anchored? ›

Even the direction of wave propagation can be measured on many of NOAA's buoys. The buoys can face rough weather and are anchored using anything from chains in shallow waters to heavy-duty, polypropylene rope in deeper waters. The buoys are serviced every two years to try to keep up with corrosion.

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What is the marine weather like in Barnegat? ›

Breezy S winds with moderate choppy seas. Very small short period waves. Winds: S 11 to 15 knots. Seas: ESE 2 feet at 7 seconds.

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What is the marine weather like in Lewes Delaware? ›

Breezy E winds with moderate choppy seas. Small very short period waves. Winds: E 14 to 15 knots. Seas: E 3 feet at 6 seconds.

What does data buoy mean? ›

Data buoys measure and transmit automatically in a predictable and controlled way, communicating in real time via satellite telecommunication systems. Data buoy observations make significant contributions to our ability to model, understand, and describe global weather and climate on all spatial and temporal scales.

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What data do buoys collect? ›

Weather buoys, like other types of weather stations, measure parameters such as air temperature above the ocean surface, wind speed (steady and gusting), barometric pressure, and wind direction. Since they lie in oceans and lakes, they also measure water temperature, wave height, and dominant wave period.

Get More Info Here ›

What is the lifespan of a buoy? ›

Lifespan of buoys can be estimated more than 20 years. Service and Maintenance: UV-stabilized polyethylene limits marine growth and enables an easy and fast cleaning “on board”. Large intervals between servicing result in major costs savings.

Get More Info Here ›

How deep can buoys go? ›

Tropical Moored Buoys

It is deployed in depths of up to 6000 meters. Measurements from the mooring include surface variables, as well as subsurface temperatures down to a depth of 500 meters.

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Are buoys anchored to the ocean floor? ›

How do buoys stay in one spot? When you tie off your boat to a mooring, you may notice the buoy and the pickup line bobbing on the surface, but did you notice all of the hardware below the water? In order for the buoys (and your boat) to stay in one place, a complicated and robust anchor system lies below.

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What is the marine weather like in Panama? ›

Light and variable winds with smooth seas. Small long period swell. Winds: S 6 to 8 knots. Seas: SSW 3 feet at 16 seconds.

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What is the marine weather in Longport NJ? ›

This afternoon - W winds 25 to 30 kt. Seas 4 to 7 ft. E swell around 2 ft at 7 seconds. Tonight - W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight.

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What is the weather like in the Atlantic Maritime? ›

The Atlantic Maritime ecozone is the warmest in Atlantic Canada, with southern to mid-boreal climates. Mean winter temperatures range from –8 to –2°C (Environment Canada, 2005a). Mean summer temperatures vary regionally between 13 and 15.5 °C. Mean annual precipitation ranges between 800 and 1500 mm.

What are the ocean conditions in Rehoboth Beach? ›

Best Forecast Surf Conditions for Rehoboth Main this week:

The primary swell is predicted to be 2ft and 8s period with a secondary swell of 1ft and 10s. Another secondary swell of 2ft and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

How far above sea level is Lewes DE? ›

13′

Lewes / Elevation

What are the ocean conditions at Seal Beach? ›

Winds: SE 4 knots. Seas: S 2 feet at 16 seconds. Light SSW winds with a slight chop. Very small long period waves.

What four things does the Network of NOAA operated buoys record? ›

All NDBC CWBs measure sea surface temperature and wave height and period. Additionally, the CWBS and C-MAN stations measure wind speed and direction; barometric pressure; and air temperature.