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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)10/18
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 10/18
Sea Height:8.6 ft
Primary Swell Height: 5.4 ft
Primary Swell Period: 10.2 secs
Surf Height3.8 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)
10/1809:00:008.6 5.4 se10.2 secs3.9 se6.7 secs0.0 se 0.0secs3.8 -4.9 10.2
10/1808:00:008.3 5.9 se8.4 secs2.2 se11.6 secs0.0 se 0.0secs3.4 -4.4 8.4
10/1807:00:007.8 4.2 se10.0 secs4.0 se6.7 secs0.0 se 0.0secs3.0 -3.8 10.0
10/1806:00:007.9 4.9 se9.9 secs4.0 se6.7 secs0.0 se 0.0secs3.4 -4.4 9.9
10/1805:00:008.8 7.1 se8.3 secs1.8 se11.5 secs0.0 se 0.0secs4.1 -5.2 8.3
10/1804:00:007.8 6.1 se8.3 secs1.3 se11.5 secs0.0 se 0.0secs3.5 -4.6 8.3
10/1803:00:007.1 5.1 se8.3 secs1.1 se11.6 secs0.0 se 0.0secs3.0 -3.8 8.3
10/1802:00:006.1 4.4 se7.7 secs1.2 se11.2 secs0.0 se 0.0secs2.4 -3.0 7.7
10/1801:00:007.0 5.3 se7.1 secs0.8 se10.6 secs0.0 se 0.0secs2.7 -3.4 7.1
10/1800:00:004.8 4.0 se6.3 secs0.7 se10.1 secs0.0 se 0.0secs1.7 -2.2 6.3
10/1723:00:003.9 3.0 se6.2 secs0.7 se11.0 secs0.0 se 0.0secs1.3 -1.7 6.2
10/1722:00:003.6 3.2 se5.6 secs0.5 se11.3 secs0.0 se 0.0secs1.2 -1.6 5.6
10/1721:00:002.9 2.6 se5.6 secs0.5 se10.4 secs0.0 se 0.0secs1.0 -1.3 5.6
10/1720:00:002.6 2.4 se5.5 secs0.4 se12.6 secs0.2 se 8.7secs0.9 -1.2 5.5
10/1719:00:002.2 2.0 se5.5 secs0.5 se11.5 secs0.0 se 0.0secs0.8 -1.0 5.5
10/1718:00:002.4 2.0 se5.6 secs0.8 se12.2 secs0.4 se 9.1secs0.8 -1.0 5.6
10/1717:00:002.0 0.7 se12.5 secs1.5 se5.5 secs0.4 se 8.9secs0.6 -0.8 12.5
10/1716:00:001.8 0.6 se12.6 secs1.3 se5.5 secs0.3 se 9.0secs0.5 -0.6 12.6
10/1715:00:001.6 0.5 se12.3 secs0.9 se7.1 secs0.1 se 16.7secs0.5 -0.6 12.3
10/1714:00:001.6 0.8 se12.6 secs0.9 se7.2 secs0.1 se 16.7secs0.7 -0.9 12.6
10/1713:00:001.5 0.7 se12.5 secs0.8 se7.2 secs0.1 se 16.7secs0.6 -0.7 12.5
10/1712:00:001.5 0.5 se12.4 secs1.0 se6.7 secs0.0 se 0.0secs0.5 -0.6 12.4
10/1711:00:001.7 0.7 se12.7 secs0.9 se7.2 secs0.1 se 16.7secs0.6 -0.8 12.7
10/1710:00:001.5 0.6 se12.4 secs0.9 se6.2 secs0.0 se 0.0secs0.5 -0.7 12.4

 

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
09:00:00 (GMT) on 10/18
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 29.2 kts
Wind Gust: 37.0 kts
Wind Direction:180 degrees
Barometric Pressure:1018.2 mbs
Air Temperature: 32.0 degrees
Water Temperature:58.6 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)
10/1809:00:000.00.029.237.01801018.232.058.6
10/1808:00:0011.80.029.235.10101017.232.058.5
10/1807:00:0012.18.027.335.10101017.232.058.3
10/1806:00:0012.10.027.335.10201016.732.058.5
10/1805:00:000.00.025.433.10201016.532.058.5
10/1804:00:000.00.025.433.10201016.832.058.5
10/1803:00:0011.58.027.337.00201016.832.058.5
10/1802:00:0010.28.025.433.10201016.632.058.6
10/1801:00:0010.27.027.333.10301017.232.058.8
10/1800:00:008.90.027.333.10301017.332.059.2
10/1723:00:000.00.027.333.10201017.132.059.9
10/1722:00:006.60.027.335.10301016.632.060.3
10/1721:00:005.90.025.433.10301016.532.060.4
10/1720:00:005.90.025.429.20301016.832.060.6
10/1719:00:005.26.025.433.10401016.932.060.6
10/1718:00:005.25.025.431.20401017.532.060.4
10/1717:00:000.00.019.521.40501019.932.060.4
10/1716:00:005.60.019.523.40501020.332.060.6
10/1715:00:004.65.019.523.40601020.432.060.6
10/1714:00:003.90.017.623.40501019.632.060.6
10/1713:00:003.60.015.619.50501020.532.060.6
10/1712:00:003.30.015.619.50601020.932.060.6
10/1711:00:000.00.013.717.60401020.132.060.8
10/1710:00:000.00.011.715.60201019.632.060.8

 

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