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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)09/18
16:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
16:00:00 (GMT) on 09/18
Sea Height:2.4 ft
Primary Swell Height: 1.2 ft
Primary Swell Period: 9.9 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)
09/1816:00:002.4 1.2 se9.9 secs1.3 se6.7 secs0.6 se 13.3secs0.8 -1.1 9.9
09/1815:00:002.4 1.5 se8.4 secs0.7 se12.4 secs0.0 se 0.0secs0.9 -1.1 8.4
09/1814:00:002.5 1.6 se8.4 secs0.7 se12.2 secs0.0 se 0.0secs1.0 -1.2 8.4
09/1813:00:002.4 1.6 se7.7 secs0.7 se12.5 secs0.1 se 16.7secs0.8 -1.1 7.7
09/1812:00:002.4 1.4 se9.0 secs0.8 se12.4 secs1.2 se 5.9secs0.9 -1.1 9.0
09/1811:00:002.6 1.7 se7.7 secs0.8 se12.3 secs0.0 se 0.0secs0.9 -1.2 7.7
09/1810:00:002.5 1.6 se8.2 secs0.7 se12.0 secs0.0 se 0.0secs0.9 -1.2 8.2
09/1809:00:002.9 2.0 se7.7 secs0.7 se12.3 secs0.0 se 0.0secs1.1 -1.4 7.7
09/1808:00:002.9 2.0 se7.7 secs0.9 se11.2 secs0.3 se 15.0secs1.1 -1.4 7.7
09/1807:00:003.0 2.2 se7.7 secs0.7 se11.1 secs0.2 se 14.3secs1.2 -1.5 7.7
09/1806:00:003.0 2.0 se8.3 secs0.5 se12.1 secs0.0 se 0.0secs1.2 -1.5 8.3
09/1805:00:003.0 2.2 se7.7 secs0.6 se11.0 secs0.2 se 14.3secs1.2 -1.5 7.7
09/1804:00:003.0 2.0 se8.2 secs0.8 se12.3 secs0.2 se 16.7secs1.1 -1.5 8.2
09/1803:00:002.7 1.7 se8.3 secs0.0 se0.0 secs se secs1.0 -1.3 8.3
09/1802:00:003.1 2.3 se8.2 secs0.6 se12.3 secs0.0 se 0.0secs1.3 -1.7 8.2
09/1801:00:002.8 2.0 se7.7 secs0.7 se11.1 secs0.2 se 14.3secs1.1 -1.4 7.7
09/1800:00:002.8 2.1 se7.8 secs0.7 se10.9 secs0.2 se 14.3secs1.2 -1.5 7.8
09/1723:00:003.0 2.1 se8.2 secs0.6 se12.3 secs0.0 se 0.0secs1.2 -1.6 8.2
09/1722:00:003.0 2.0 se8.3 secs0.7 se12.2 secs0.0 se 0.0secs1.2 -1.5 8.3
09/1721:00:003.1 2.0 se8.3 secs0.8 se12.5 secs0.0 se 0.0secs1.2 -1.5 8.3
09/1720:00:003.4 2.3 se8.2 secs0.7 se12.5 secs0.0 se 0.0secs1.3 -1.7 8.2
09/1719:00:003.2 2.2 se7.7 secs0.8 se11.0 secs0.2 se 14.3secs1.2 -1.5 7.7
09/1718:00:003.2 2.1 se7.7 secs0.9 se11.0 secs0.0 se 0.0secs1.1 -1.4 7.7
09/1717:00:003.5 2.4 se7.7 secs0.6 se12.4 secs0.0 se 0.0secs1.3 -1.7 7.7

 

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
16:00:00 (GMT) on 09/18
Combined Sea Height:3.9 ft
Dominant Period:8.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:260 degrees
Barometric Pressure:1013.0 mbs
Air Temperature: 65.1 degrees
Water Temperature:65.1 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)
09/1816:00:003.98.03.95.82601013.065.165.1
09/1815:00:003.90.05.87.82901013.664.965.1
09/1814:00:000.00.03.95.82601014.064.964.9
09/1813:00:000.00.01.93.92201013.665.864.6
09/1812:00:003.68.03.93.92201013.666.064.6
09/1811:00:003.98.03.93.92101013.265.764.4
09/1810:00:004.38.03.93.92301013.366.264.4
09/1809:00:004.38.01.93.92001013.265.864.4
09/1808:00:000.00.03.93.91801013.165.864.6
09/1807:00:000.00.01.95.81301013.366.264.6
09/1806:00:004.68.01.91.91501013.765.564.6
09/1805:00:004.37.03.93.91301014.065.764.4
09/1804:00:004.97.09.89.81001014.566.064.4
09/1803:00:000.00.09.811.71001015.165.864.6
09/1802:00:004.68.011.715.60801015.465.764.6
09/1801:00:004.98.09.813.70801016.065.864.6
09/1800:00:004.67.011.713.70701016.165.864.6
09/1723:00:004.38.013.715.60901016.465.864.8
09/1722:00:004.98.015.617.60901016.365.864.8
09/1721:00:004.98.013.717.61001016.466.064.8
09/1720:00:005.28.011.715.60901016.666.264.8
09/1719:00:005.28.013.715.60901016.466.064.6
09/1718:00:005.27.011.713.70801016.865.732.0
09/1717:00:005.68.013.717.60801017.565.764.6

 

000020670 ___0.029146
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