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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)08/19
13:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
13:00:00 (GMT) on 08/19
Sea Height:2.1 ft
Primary Swell Height: 1.5 ft
Primary Swell Period: 7.6 secs
Surf Height0.8 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)
08/1913:00:002.1 1.5 se7.6 secs0.7 se11.0 secs0.1 se 15.5secs0.8 -1.0 7.6
08/1912:00:002.1 1.5 se7.2 secs0.5 se12.4 secs0.3 se 16.1secs0.7 -1.0 7.2
08/1911:00:002.1 1.6 se7.2 secs0.6 se11.0 secs0.2 se 14.3secs0.8 -1.0 7.2
08/1910:00:002.1 1.5 se7.1 secs0.6 se11.0 secs0.3 se 14.1secs0.7 -0.9 7.1
08/1909:00:002.1 1.4 se7.1 secs0.9 se11.0 secs0.2 se 14.3secs0.7 -0.9 7.1
08/1908:00:002.1 1.3 se7.7 secs0.6 se11.0 secs0.2 se 16.7secs0.7 -0.9 7.7
08/1907:00:002.2 1.4 se8.3 secs0.4 se11.5 secs0.0 se 0.0secs0.8 -1.0 8.3
08/1906:00:002.3 1.5 se7.1 secs0.7 se10.9 secs0.2 se 14.3secs0.8 -1.0 7.1
08/1905:00:002.4 1.6 se7.6 secs0.8 se11.1 secs0.1 se 14.3secs0.8 -1.1 7.6
08/1904:00:002.2 1.5 se7.1 secs0.7 se11.0 secs0.4 se 14.0secs0.7 -0.9 7.1
08/1903:00:002.4 1.9 se7.1 secs0.4 se11.1 secs0.1 se 14.3secs0.9 -1.2 7.1
08/1902:00:002.4 1.8 se7.6 secs0.6 se11.1 secs0.0 se 0.0secs0.9 -1.2 7.6
08/1901:00:002.4 1.7 se7.7 secs0.6 se11.0 secs0.2 se 14.3secs0.9 -1.2 7.7
08/1900:00:002.3 1.7 se7.7 secs0.9 se11.2 secs0.1 se 14.3secs0.9 -1.2 7.7
08/1823:00:002.2 1.7 se7.7 secs0.6 se11.1 secs0.0 se 0.0secs0.9 -1.2 7.7
08/1822:00:002.5 1.9 se7.8 secs0.6 se12.2 secs0.0 se 0.0secs1.0 -1.3 7.8
08/1821:00:002.2 1.4 se8.3 secs0.6 se12.1 secs0.0 se 0.0secs0.8 -1.0 8.3
08/1820:00:002.7 1.9 se8.3 secs0.6 se12.3 secs0.0 se 0.0secs1.1 -1.4 8.3
08/1819:00:002.8 2.0 se8.2 secs0.5 se12.2 secs0.0 se 0.0secs1.2 -1.5 8.2
08/1818:00:002.7 1.9 se7.7 secs0.7 se11.0 secs0.2 se 14.3secs1.0 -1.3 7.7
08/1817:00:002.9 2.1 se7.7 secs0.7 se10.9 secs0.1 se 14.3secs1.1 -1.4 7.7
08/1816:00:003.2 2.3 se8.3 secs0.5 se11.8 secs0.0 se 0.0secs1.3 -1.7 8.3
08/1815:00:003.2 2.5 se7.8 secs0.6 se11.1 secs0.0 se 0.0secs1.4 -1.7 7.8
08/1814:00:004.0 3.1 se8.3 secs0.4 se11.7 secs0.0 se 0.0secs1.8 -2.3 8.3

 

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
13:50:00 (GMT) on 08/19
Combined Sea Height:3.3 ft
Dominant Period:7.0 secs
Wind Speed: 5.8 kts
Wind Gust: 5.8 kts
Wind Direction:100 degrees
Barometric Pressure:1012.8 mbs
Air Temperature: 72.1 degrees
Water Temperature:71.8 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)
08/1913:50:003.37.05.85.81001012.872.171.8
08/1912:50:003.38.03.93.90601013.171.432.0
08/1911:50:003.37.01.93.91001013.171.471.6
08/1910:50:003.07.01.91.90301013.169.871.4
08/1909:50:003.37.03.93.93201012.769.170.5
08/1908:50:003.67.00.01.90001012.068.771.1
08/1907:50:003.38.00.00.00001012.667.871.6
08/1906:50:003.37.05.85.83301011.767.171.6
08/1905:50:003.97.07.87.83101012.166.972.3
08/1904:50:003.67.05.87.83101012.366.272.3
08/1903:50:003.67.05.85.83201012.066.072.1
08/1902:50:003.97.05.85.83101011.865.872.3
08/1901:50:003.97.05.87.83201011.865.871.6
08/1900:50:003.67.05.87.83301011.965.870.7
08/1823:50:003.68.07.89.83301011.966.970.7
08/1822:50:003.67.09.89.83401011.167.574.8
08/1821:50:003.98.09.811.73401010.666.975.2
08/1820:50:003.98.09.811.73401010.667.575.6
08/1819:50:003.98.013.715.63301010.467.375.7
08/1818:50:003.90.09.811.73301010.367.675.4
08/1817:50:004.38.09.811.73301010.366.674.1
08/1816:50:004.68.09.813.73301010.066.772.3
08/1815:50:005.28.011.713.73401009.865.870.3
08/1814:50:005.28.09.813.73401010.066.270.2

 

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