National Data Buoy Center NWS Marine Forecast (2024)

FZUS51 KGYX 090715
CWFGYX

Coastal Waters Forecast
National Weather Service Gray ME
315 AM EDT Tue Jul 9 2024

COASTAL WATERS FROM STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM

ANZ100-092115
315 AM EDT Tue Jul 9 2024

.Synopsis for Stonington ME to Merrimack River Ma out to 25 NMWeak high pressure passes N of the waters today. A cold frontapproaches the waters late Tuesday night or Wednesday, as theremnants of Beryl cross north of the waters Wednesday night andThursday.

ANZ154-092115
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out25 NM
315 AM EDT Tue Jul 9 2024

TODAY
SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts upto 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at4 seconds and SE 2 ft at 8 seconds. Patchy dense fog early thismorning with vsby 1 NM or less.

TONIGHT
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to3 ft. Wave Detail: SE 3 ft at 6 seconds. A chance of showers in theevening. Patchy fog after midnight. Vsby 1 to 3 NM.

WED
SW winds around 10 kt, becoming SE in the afternoon. Seas2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. Patchy fog in themorning. A chance of showers and tstms in the afternoon. Vsby 1 NMor less in the morning.

WED NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE3 ft at 7 seconds. A chance of tstms in the evening. A chance ofshowers. Patchy fog. Vsby 1 to 3 NM.

THU
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.Wave Detail: SE 3 ft at 6 seconds. Patchy fog in the morning. Achance of tstms. A chance of showers. Vsby 1 to 3 NM in the morning.

THU NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of showers andtstms in the evening.

FRI
S winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.A chance of showers and tstms.

FRI NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to3 ft. A chance of showers and tstms.

SAT
SW winds around 10 kt. Seas 2 to 3 ft. A chance of showers. Achance of tstms in the afternoon.

SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance ofshowers and tstms in the evening.

Winds and seas higher in and near tstms.

ANZ152-092115
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM
315 AM EDT Tue Jul 9 2024

TODAY
SW winds 5 to 10 kt with gusts up to 20 kt, becoming S10 to 15 kt with gusts up to 20 kt late. Seas 2 to 3 ft. WaveDetail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy densefog until late afternoon. A slight chance of showers late. Vsby 1 NMor less, increasing to 1 to 3 NM late.

TONIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt aftermidnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE2 ft at 8 seconds. A chance of showers and tstms in the evening.Patchy fog after midnight. Vsby 1 to 3 NM, decreasing to 1 NM orless after midnight.

WED
SW winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to3 ft. Wave Detail: S 3 ft at 7 seconds. Areas of fog in the morningwith vsby 1 NM or less.

WED NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ftat 7 seconds. A chance of tstms in the evening. Showers likely.Patchy fog. Vsby 1 to 3 NM.

THU
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.Wave Detail: S 3 ft at 6 seconds. Patchy fog in the morning. Achance of tstms. A chance of showers. Vsby 1 to 3 NM in the morning.

THU NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to4 ft. Wave Detail: S 4 ft at 7 seconds. A chance of showers andtstms in the evening.

FRI
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.A chance of showers.

FRI NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to4 ft. A chance of showers and tstms after midnight.

SAT
SW winds around 10 kt with gusts up to 20 kt. Seas around3 ft. A chance of tstms in the morning. A chance of showers.

SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance ofshowers in the evening.

Winds and seas higher in and near tstms.

ANZ150-092115
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM
315 AM EDT Tue Jul 9 2024

TODAY
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts upto 20 kt late. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds andS 2 ft at 4 seconds. Patchy dense fog. A slight chance of showerslate. Vsby 1 NM or less.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. Achance of showers in the evening. Patchy fog in the evening, thenareas of dense fog after midnight. Vsby 1 NM or less.

WED
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at7 seconds. Areas of dense fog in the morning with vsby 1 NM or less.

WED NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ftat 7 seconds. A chance of tstms in the evening. Showers likely.Patchy fog. Vsby 1 to 3 NM.

THU
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.Wave Detail: S 3 ft at 6 seconds. Patchy fog in the morning. Achance of showers in the morning, then a chance of showers and tstmsin the afternoon. Vsby 1 to 3 NM in the morning.

THU NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to4 ft. Wave Detail: S 4 ft at 7 seconds. A chance of showers andtstms.

FRI
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.A chance of showers.

FRI NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to4 ft. A chance of showers after midnight.

SAT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.A chance of showers.

SAT NIGHT
SW winds 5 to 10 kt. Seas around 3 ft. A chance ofshowers in the evening.

Winds and seas higher in and near tstms.

ANZ153-092115
Casco Bay
315 AM EDT Tue Jul 9 2024

TODAY
S winds around 5 kt, increasing to 5 to 10 kt with gusts upto 20 kt this afternoon. Seas around 2 ft. Patchy dense fog earlythis morning. A slight chance of showers and tstms late. Vsby 1 NMor less early this morning.

TONIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showersand tstms in the evening. Patchy fog after midnight. Vsby 1 to 3 NM.

WED
SW winds around 5 kt, becoming SE in the afternoon. Seas 2 to3 ft. Patchy fog in the morning. A chance of showers and tstms inthe afternoon. Vsby 1 to 3 NM in the morning.

WED NIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Showers likelywith a chance of tstms in the evening, then a chance of showersafter midnight. Patchy fog. Vsby 1 to 3 NM.

THU
S winds 5 to 10 kt. Seas around 2 ft. Patchy fog in themorning. A chance of tstms. A chance of showers. Vsby 1 to 3 NM inthe morning.

THU NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showersand tstms.

FRI
S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Achance of showers. A chance of tstms in the afternoon.

FRI NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance ofshowers and tstms.

SAT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers andtstms.

SAT NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. A chance ofshowers and tstms in the evening.

Winds and seas higher in and near tstms.

ANZ151-092115
Penobscot Bay
315 AM EDT Tue Jul 9 2024

TODAY
S winds 5 to 10 kt. Seas around 2 ft. Patchy dense fog thismorning. A slight chance of showers and tstms late. Vsby 1 NM orless this morning, then 1 to 3 NM late.

TONIGHT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S2 ft at 4 seconds. A chance of showers and tstms in the evening.Patchy fog in the evening, then areas of dense fog after midnight.Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

WED
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at5 seconds. Areas of fog in the morning with vsby 1 NM or less.

WED NIGHT
S winds around 5 kt. Seas around 2 ft. Wave Detail: S2 ft at 5 seconds. Showers likely. Patchy fog in the evening. Patchyfog after midnight. Vsby 1 to 3 NM.

THU
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at5 seconds. Patchy fog in the morning. Showers likely in the morning,then showers likely with a chance of tstms in the afternoon. Vsby1 to 3 NM in the morning.

THU NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ftat 6 seconds. A chance of showers and tstms.

FRI
SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.A chance of showers.

FRI NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance ofshowers after midnight.

SAT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance ofshowers in the evening.

Winds and seas higher in and near tstms.

National Data Buoy Center NWS Marine Forecast (2024)

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What is the National Data Buoy Center? ›

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 significant wave height in Noaa Buoy? ›

Significant Wave Height is the average height (meters) of the highest one-third of the waves during a 20 minute sampling period. Swell height is the vertical distance (meters) between any swell crest and the succeeding swell wave trough.

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Where are ocean buoys located? ›

Most of the buoys are located off of the shores of the United States and provide data for the NOAA Marine Environmental Buoy Database. The C-MAN stations are located on piers, offshore towers, lighthouses, and beaches.

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Is data from NOAA free? ›

The NOAA datasets made available through NODD are free for all users to access with no use restrictions and do not require any registration to access.

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How many buoys does NOAA have? ›

Caption: The weather buoy, shown here, is one of 103 weather buoys operated and maintained by NOAA's National Data Buoy Center.

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Are buoys chained down? ›

Weather buoys range in diameter from 1.5–12 metres (5–40 ft). Those that are placed in shallow waters are smaller in size and moored using only chains, while those in deeper waters use a combination of chains, nylon, and buoyant polypropylene.

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What keeps a buoy in place? ›

In order for the buoys (and your boat) to stay in one place, a complicated and robust anchor system lies below. There are three types of anchors commonly used in the Florida Keys to secure the buoys to the seafloor: pin anchors, u-bolt anchors, and Manta Ray® anchors.

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How do buoys stay upright? ›

The anchor keeps the mooring in one place, and the float keeps the line vertical in the water column.

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Is 4 ft swell big? ›

To answer this, it's important we understand that what is big to one swimmer, might not be so big to another, so it can be a very subjective place to play. As a start, you'd have to say that once we're getting into the 4-5 foot wave range, then that would be considered 'big' by most.

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What does 6 ft seas mean? ›

Most marine weather reports use SWH to describe the seas, although this is not often clearly stated. A report of 6 foot waves and 8 foot swells, means the predicted or observed significant wave height of the seas is 6 feet, which in turn would be statistically combined with a swell of near constant height of 8 feet.

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What does 10 foot seas mean? ›

With a forecast SWH of 10 feet, the mean wave height would be 6.4 feet; the highest 10 percent of waves would be 12.7 feet; the highest 1 percent of waves would be 16.7 feet; and the maximum wave height to be expected would be 20 feet.

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How far are buoys from shore? ›

Buoys should be no more than 200 feet from shore. They should be securely anchored so they will not drift in moderate-to-heavy winds. And they should preferably be made of material which, if a boat accidentally bumps the buoy, will not cause harm.

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What do red and green buoys mean in the ocean? ›

Red and Green buoys and lights indicate primary channels. If the green horizontal band is on top, the primary channel is the right (starboard). If the red band is on the top, the primary channel is to the left (port) side. This marker indicates the primary channel is on the starboard.

What side of the boat is the buoy? ›

Likewise, green buoys are kept to the port (left) side (see chart below). Conversely, when proceeding toward the sea or leaving port, red buoys are kept to port side and green buoys to the starboard side. Red buoys are always even numbered, and green buoys are odd numbered.

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What kind of data does NOAA collect? ›

NOAA satellites observe the Earth from space, constantly scanning the planet to collect the most up-to-date data about the atmosphere, land, and oceans. This information is vital to our daily lives—and is in fact the basis for every weather forecast.

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How many locations does NOAA have? ›

This is done through a collection of national and regional centers, 13 river forecast centers (RFCs), and more than 120 local weather forecast offices (WFOs).

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What is NOAA data used for? ›

We monitor a number of environmental conditions daily, weekly, seasonally, and over years to understand conditions on our planet and changes to our climate. We provide authoritative assessments of the U.S. and global climate. We also maintain one of the most significant archives of environmental data on Earth.

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What is NOAA reception? ›

By nature and design, NOAA Weather Radio (NWR) coverage is limited to an area within about 40 miles of the transmitter site. The quality of what is heard will vary due to distance from the transmitter, local terrain, weather conditions, and the quality and location of the receiver.

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National Data Buoy Center NWS Marine Forecast (2024)

FAQs

What is the National Data Buoy Center? ›

What does 6 ft seas mean? ›

References