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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)08/18
18:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
18:00:00 (GMT) on 08/18
Sea Height:2.7 ft
Primary Swell Height: 1.9 ft
Primary Swell Period: 7.7 secs
Surf Height1 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)
08/1818:00:002.7 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
08/1813:00:003.9 2.9 se8.3 secs0.5 se11.7 secs0.0 se 0.0secs1.7 -2.2 8.3
08/1812:00:003.9 3.2 se8.3 secs0.6 se11.6 secs0.0 se 0.0secs1.9 -2.4 8.3
08/1811:00:004.1 3.3 se8.3 secs0.7 se12.1 secs0.0 se 0.0secs1.9 -2.5 8.3
08/1810:00:003.3 2.4 se7.8 secs0.8 se10.9 secs0.3 se 14.3secs1.3 -1.7 7.8
08/1809:00:003.7 3.0 se8.3 secs0.6 se12.5 secs0.0 se 0.0secs1.8 -2.3 8.3
08/1808:00:003.7 2.9 se7.7 secs0.8 se10.8 secs0.2 se 14.3secs1.5 -2.0 7.7
08/1807:00:003.8 3.0 se7.7 secs0.8 se11.2 secs0.0 se 0.0secs1.6 -2.1 7.7
08/1806:00:003.5 2.9 se7.2 secs0.6 se11.1 secs0.2 se 14.3secs1.5 -1.9 7.2
08/1805:00:003.7 2.9 se7.1 secs0.5 se11.0 secs0.2 se 14.3secs1.4 -1.8 7.1
08/1804:00:003.5 2.7 se7.1 secs0.5 se12.6 secs0.0 se 0.0secs1.3 -1.7 7.1
08/1803:00:003.4 2.7 se6.7 secs0.5 se12.5 secs0.0 se 0.0secs1.3 -1.6 6.7
08/1802:00:003.3 2.6 se6.7 secs0.5 se10.0 secs0.0 se 0.0secs1.2 -1.6 6.7
08/1801:00:003.1 2.5 se6.6 secs0.2 se10.0 secs0.0 se 0.0secs1.1 -1.5 6.6
08/1800:00:003.4 2.6 se6.2 secs0.4 se12.5 secs0.0 se 0.0secs1.2 -1.5 6.2
08/1723:00:001.6 0.6 se12.4 secs0.9 se6.6 secs0.0 se 0.0secs0.6 -0.7 12.4
08/1722:00:001.0 0.4 se12.7 secs0.5 se8.3 secs0.1 se 16.7secs0.4 -0.5 12.7
08/1721:00:000.9 0.4 se12.5 secs0.5 se8.3 secs0.0 se 0.0secs0.4 -0.5 12.5
08/1720:00:001.0 0.5 se12.8 secs0.5 se9.1 secs0.5 se 5.9secs0.4 -0.6 12.8
08/1719:00:000.9 0.5 se12.5 secs0.4 se8.4 secs0.1 se 16.7secs0.4 -0.6 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
17:50:00 (GMT) on 08/18
Combined Sea Height:4.3 ft
Dominant Period:8.0 secs
Wind Speed: 9.8 kts
Wind Gust: 11.7 kts
Wind Direction:330 degrees
Barometric Pressure:1010.3 mbs
Air Temperature: 66.6 degrees
Water Temperature:74.1 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)
08/1817:50:004.38.09.811.73301010.366.674.1
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
08/1813:50:006.28.011.713.73401009.665.568.9
08/1812:50:006.68.011.715.63401009.265.371.6
08/1811:50:006.28.09.813.73301009.064.673.2
08/1810:50:005.68.09.811.73301008.465.774.5
08/1809:50:005.68.07.89.83401007.567.175.0
08/1808:50:005.68.09.811.73201007.368.574.8
08/1807:50:005.67.07.89.83401007.572.374.8
08/1806:50:005.28.03.95.83501007.473.075.9
08/1805:50:005.67.03.95.83101007.973.275.0
08/1804:50:006.26.01.93.93001007.973.474.8
08/1803:50:005.97.03.93.92801007.974.574.8
08/1802:50:005.26.01.93.92701007.974.573.6
08/1801:50:005.27.00.01.90001008.174.773.6
08/1800:50:005.26.01.93.92101008.574.773.6
08/1723:50:004.96.03.95.81401008.275.774.5
08/1722:50:003.34.011.713.71501008.575.775.0
08/1721:50:002.64.011.719.51401009.174.575.0
08/1720:50:002.34.015.617.61201009.672.374.8
08/1719:50:002.33.00.00.00001011.172.974.7
08/1718:50:002.04.011.715.61101011.071.674.5

 

000022235 ___0.022645
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