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Buoy 44008 Nantucket
Longitude = 69.43W Latitude = 40.50N
FAQs

 

Frequency Analysis - Current Hour
(Swell height in each period/frequency band)
Measurement Date/Time (GMT)09/19
05:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
05:00:00 (GMT) on 09/19
Sea Height:1.3 ft
Primary Swell Height: 0.7 ft
Primary Swell Period: 12.4 secs
Surf Height0.6 ft

 

24 Hour Observation

Date
(Month/Day)
Time
(GMT)
Sea Height
[>5 secs]
(ft)
Primary Swell Secondary Swell Tertiary Swell Estimated Surf Height (ft)Primary Period (secs)
Height
(ft)
Period
(secs)
Height
(ft)
Period
(secs)
Height
(ft)
Period
(secs)
09/1905:00:001.3 0.7 se12.4 secs0.7 se8.4 secs0.1 se 16.7secs0.6 -0.8 12.4
09/1904:00:001.4 0.8 se12.2 secs0.7 se8.3 secs0.0 se 0.0secs0.7 -0.9 12.2
09/1903:00:001.4 0.9 se12.2 secs0.5 se9.1 secs0.8 se 5.5secs0.8 -1.0 12.2
09/1902:00:001.4 0.6 se12.1 secs0.6 se8.4 secs0.0 se 0.0secs0.5 -0.7 12.1
09/1901:00:001.4 0.7 se12.4 secs0.9 se5.9 secs0.4 se 9.1secs0.6 -0.7 12.4
09/1900:00:001.4 0.8 se12.4 secs0.6 se8.3 secs0.0 se 0.0secs0.7 -0.9 12.4
09/1823:00:001.4 0.6 se12.3 secs0.6 se8.3 secs0.0 se 0.0secs0.5 -0.7 12.3
09/1822:00:001.5 0.7 se12.5 secs1.0 se5.5 secs0.5 se 8.9secs0.6 -0.8 12.5
09/1821:00:001.6 0.8 se12.4 secs1.1 se5.5 secs0.5 se 9.1secs0.7 -0.9 12.4
09/1820:00:001.5 0.7 se12.5 secs1.0 se5.6 secs0.4 se 9.0secs0.6 -0.8 12.5
09/1819:00:001.7 0.8 se12.2 secs1.1 se5.6 secs0.5 se 9.0secs0.7 -0.9 12.2
09/1818:00:001.7 0.7 se12.4 secs1.2 se5.5 secs0.4 se 9.0secs0.6 -0.7 12.4
09/1817:00:001.8 0.8 se12.4 secs1.3 se5.5 secs0.4 se 9.1secs0.7 -0.9 12.4
09/1816:00:001.7 0.8 se12.6 secs1.2 se5.5 secs0.3 se 9.0secs0.7 -1.0 12.6
09/1815:00:001.6 0.7 se12.4 secs1.1 se5.5 secs0.4 se 9.0secs0.6 -0.8 12.4
09/1814:00:001.9 0.9 se12.4 secs1.3 se5.5 secs0.5 se 8.9secs0.8 -1.0 12.4
09/1813:00:001.9 0.8 se12.2 secs1.3 se5.5 secs0.5 se 9.1secs0.7 -0.9 12.2
09/1812:00:001.6 0.8 se12.4 secs0.8 se7.7 secs0.0 se 0.0secs0.7 -0.9 12.4
09/1811:00:001.6 0.8 se12.4 secs0.9 se8.3 secs0.0 se 0.0secs0.7 -0.8 12.4
09/1810:00:001.4 0.7 se12.3 secs0.9 se7.2 secs0.0 se 0.0secs0.6 -0.8 12.3
09/1809:00:001.6 0.8 se12.5 secs1.1 se7.8 secs0.0 se 0.0secs0.7 -0.9 12.5
09/1808:00:001.4 0.8 se12.5 secs0.9 se7.7 secs0.0 se 0.0secs0.7 -0.9 12.5
09/1807:00:001.5 0.8 se12.5 secs0.9 se7.7 secs0.1 se 16.7secs0.7 -0.9 12.5
09/1806:00:001.6 0.8 se12.5 secs1.0 se7.6 secs0.1 se 16.7secs0.7 -0.9 12.5

 

Surf Height Scale
Size Scale (ft)
>11-22-33-44-55-66-77-88-99-1010-1111-1212-1313-1414-1515-2020-2525-3030-3535-4040-4545+

Swell Period Scal
Period Scale (secs)
6.36.77.17.78.39.11011.112.514.316.7202533.3

 

Current Weather Conditions
Buoy 44008
05:50:00 (GMT) on 09/19
Combined Sea Height:2.3 ft
Dominant Period:5.0 secs
Wind Speed: 7.8 kts
Wind Gust: 9.8 kts
Wind Direction:330 degrees
Barometric Pressure:1017.6 mbs
Air Temperature: 63.7 degrees
Water Temperature:66.6 degrees

 

24 Hour Weather Observation

Date
(Month/Day)
Time
(GMT)
Combined Sea Height (ft)Dominant Period
(secs)
Wind Speed
(kts)
Gust
(kts)
Wind Direction
(degrees)
Barometric Pressure
(mbs)
Air Temperature
(F)
Water Temperature
(F)
09/1905:50:002.35.07.89.83301017.663.766.6
09/1904:50:002.35.07.811.73401017.563.166.4
09/1903:50:002.36.03.95.83601017.465.766.4
09/1902:50:002.36.01.93.90801017.566.066.6
09/1901:50:002.36.05.85.80701017.565.766.6
09/1900:50:002.312.07.89.80501017.565.866.6
09/1823:50:002.36.05.89.80201017.165.566.6
09/1822:50:002.35.07.89.83601016.765.766.7
09/1821:50:002.65.07.89.80201016.166.466.9
09/1820:50:003.06.07.89.80201015.566.067.1
09/1819:50:003.00.07.89.80301015.465.866.9
09/1818:50:003.05.09.811.70301015.365.566.7
09/1817:50:003.05.09.89.80101015.664.066.4
09/1816:50:003.05.09.813.73501015.764.266.2
09/1815:50:003.35.07.89.82901016.167.366.4
09/1814:50:003.65.09.811.72901016.367.666.7
09/1813:50:003.65.07.89.82601016.569.167.1
09/1812:50:003.65.09.811.72601016.469.167.5
09/1811:50:003.65.015.619.52501016.671.168.0
09/1810:50:003.34.011.711.72401016.471.868.2
09/1809:50:003.34.09.811.72401016.471.267.8
09/1808:50:003.04.09.811.72401016.671.467.8
09/1807:50:002.67.011.711.72201016.871.466.9
09/1806:50:002.68.07.87.82101017.470.067.6

 

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