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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)07/19
09:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
09:00:00 (GMT) on 07/19
Sea Height:2.8 ft
Primary Swell Height: 2 ft
Primary Swell Period: 6.6 secs
Surf Height0.9 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)
07/1909:00:002.8 2.0 se6.6 secs0.6 se12.7 secs0.0 se 0.0secs0.9 -1.2 6.6
07/1908:00:002.6 2.1 se5.9 secs0.7 se12.8 secs0.4 se 8.9secs0.9 -1.1 5.9
07/1907:00:002.3 2.0 se5.6 secs0.6 se12.9 secs0.3 se 9.0secs0.8 -1.0 5.6
07/1906:00:002.4 1.9 se5.9 secs0.7 se13.1 secs0.0 se 0.0secs0.8 -1.0 5.9
07/1905:00:002.0 1.7 se5.6 secs0.6 se12.8 secs0.3 se 8.6secs0.7 -0.8 5.6
07/1904:00:002.3 1.9 se5.6 secs0.7 se12.6 secs0.5 se 9.0secs0.7 -0.9 5.6
07/1903:00:001.9 0.8 se12.9 secs1.5 se5.5 secs0.3 se 9.0secs0.7 -0.9 12.9
07/1902:00:001.5 0.6 se12.9 secs1.2 se5.5 secs0.4 se 8.8secs0.6 -0.7 12.9
07/1901:00:001.2 0.7 se13.6 secs0.6 se7.7 secs0.1 se 16.7secs0.7 -0.8 13.6
07/1900:00:001.1 0.9 se12.9 secs0.4 se8.4 secs0.1 se 16.7secs0.8 -1.0 12.9
07/1823:00:001.1 0.8 se13.0 secs0.6 se7.7 secs0.1 se 16.7secs0.7 -0.9 13.0
07/1822:00:001.0 0.7 se13.8 secs0.4 se10.1 secs0.4 se 6.7secs0.7 -0.9 13.8
07/1821:00:001.1 0.8 se14.0 secs0.4 se10.0 secs0.4 se 6.7secs0.8 -1.0 14.0
07/1820:00:001.1 0.8 se13.6 secs0.4 se10.1 secs0.4 se 6.7secs0.8 -1.0 13.6
07/1819:00:001.1 0.9 se13.6 secs0.4 se10.2 secs0.3 se 7.2secs0.8 -1.1 13.6
07/1818:00:001.0 0.7 se13.2 secs0.4 se8.3 secs0.0 se 0.0secs0.7 -0.9 13.2
07/1817:00:001.0 0.7 se13.0 secs0.4 se8.4 secs0.0 se 0.0secs0.6 -0.8 13.0
07/1816:00:001.0 0.7 se13.9 secs0.5 se7.7 secs0.0 se 0.0secs0.7 -0.9 13.9
07/1815:00:001.0 0.8 se13.8 secs0.4 se8.3 secs0.0 se 0.0secs0.8 -1.0 13.8
07/1814:00:001.1 0.8 se13.8 secs0.3 se10.2 secs0.4 se 7.1secs0.8 -1.0 13.8
07/1813:00:001.3 1.0 se13.8 secs0.3 se10.1 secs0.6 se 5.5secs0.9 -1.2 13.8
07/1812:00:001.3 0.9 se13.8 secs0.5 se8.4 secs0.0 se 0.0secs0.9 -1.1 13.8
07/1811:00:001.4 1.0 se13.8 secs0.6 se8.3 secs0.0 se 0.0secs0.9 -1.2 13.8
07/1810:00:001.3 0.9 se13.9 secs0.5 se8.3 secs0.0 se 0.0secs0.9 -1.1 13.9

 

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
08:50:00 (GMT) on 07/19
Combined Sea Height:4.9 ft
Dominant Period:6.0 secs
Wind Speed: 19.5 kts
Wind Gust: 23.4 kts
Wind Direction:220 degrees
Barometric Pressure:1003.0 mbs
Air Temperature: 72.1 degrees
Water Temperature:68.5 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)
07/1908:50:004.96.019.523.42201003.072.168.5
07/1907:50:004.36.017.621.42201003.272.132.0
07/1906:50:004.66.015.617.62201003.772.170.2
07/1905:50:004.66.017.619.52101004.672.569.3
07/1904:50:004.66.017.619.52201005.873.270.2
07/1903:50:004.36.017.621.42201006.473.669.3
07/1902:50:003.65.015.617.61901006.973.869.8
07/1901:50:003.35.013.717.61801008.273.270.0
07/1900:50:002.64.013.715.61701008.072.969.3
07/1823:50:002.013.013.715.61801009.272.768.9
07/1822:50:002.014.09.813.71701010.571.866.9
07/1821:50:001.614.09.89.81801011.772.366.7
07/1820:50:001.613.09.811.71901012.573.067.1
07/1819:50:001.613.09.811.71801012.973.068.2
07/1818:50:001.614.09.811.71801013.872.769.1
07/1817:50:001.314.07.89.81801014.272.069.4
07/1816:50:001.614.09.89.81801015.271.669.1
07/1815:50:001.614.09.89.81601015.571.471.1
07/1814:50:001.614.07.89.81701016.171.169.1
07/1813:50:001.65.05.85.81801016.570.568.9
07/1812:50:002.013.03.93.92001017.170.068.9
07/1811:50:002.014.03.95.81901017.069.668.9
07/1810:50:002.014.05.87.82301017.569.669.6
07/1809:50:002.015.05.87.82301017.568.969.6

 

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