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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)07/08
17:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
17:00:00 (GMT) on 07/08
Sea Height:6.3 ft
Primary Swell Height: 4.8 ft
Primary Swell Period: 7.7 secs
Surf Height2.6 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)
07/0817:00:006.3 4.8 se7.7 secs0.5 se11.1 secs0.0 se 0.0secs2.6 -3.3 7.7
07/0816:00:006.0 3.9 se7.7 secs1.2 se11.0 secs0.0 se 0.0secs2.1 -2.7 7.7
07/0815:00:005.5 3.6 se7.7 secs0.7 se12.5 secs0.0 se 0.0secs1.9 -2.5 7.7
07/0814:00:004.1 2.9 se7.2 secs0.6 se11.2 secs0.2 se 14.3secs1.5 -1.9 7.2
07/0813:00:003.3 2.1 se7.6 secs0.6 se10.9 secs0.0 se 0.0secs1.1 -1.4 7.6
07/0812:00:003.0 1.9 se7.7 secs0.7 se11.1 secs0.4 se 14.2secs1.0 -1.3 7.7
07/0811:00:002.8 1.8 se8.2 secs0.6 se12.3 secs0.0 se 0.0secs1.0 -1.3 8.2
07/0810:00:002.7 1.6 se7.7 secs0.7 se11.0 secs0.2 se 14.3secs0.9 -1.1 7.7
07/0809:00:002.7 1.6 se8.4 secs0.6 se12.0 secs0.0 se 0.0secs0.9 -1.2 8.4
07/0808:00:003.0 1.9 se7.7 secs0.7 se11.1 secs0.2 se 14.3secs1.0 -1.3 7.7
07/0807:00:002.7 1.6 se7.7 secs0.7 se12.5 secs0.0 se 0.0secs0.9 -1.1 7.7
07/0806:00:003.3 2.2 se7.7 secs0.6 se11.1 secs0.0 se 0.0secs1.2 -1.6 7.7
07/0805:00:003.6 2.5 se7.8 secs0.6 se11.2 secs0.2 se 14.3secs1.4 -1.7 7.8
07/0804:00:003.5 2.2 se7.8 secs0.7 se10.9 secs0.3 se 14.3secs1.2 -1.5 7.8
07/0803:00:003.0 1.9 se8.3 secs0.6 se12.2 secs0.0 se 0.0secs1.1 -1.5 8.3
07/0802:00:003.0 2.3 se7.7 secs0.7 se10.9 secs0.4 se 14.1secs1.3 -1.6 7.7
07/0801:00:002.9 1.8 se9.0 secs1.4 se5.9 secs0.4 se 12.1secs1.1 -1.4 9.0
07/0800:00:002.9 1.9 se8.3 secs0.6 se12.4 secs0.0 se 0.0secs1.1 -1.4 8.3
07/0723:00:002.9 2.0 se8.3 secs0.5 se11.7 secs0.0 se 0.0secs1.2 -1.5 8.3
07/0722:00:002.8 1.8 se8.3 secs0.6 se12.4 secs0.1 se 16.7secs1.1 -1.4 8.3
07/0721:00:003.0 2.0 se8.4 secs0.5 se12.3 secs0.0 se 0.0secs1.1 -1.5 8.4
07/0720:00:003.0 2.0 se8.3 secs0.5 se12.2 secs0.2 se 15.3secs1.2 -1.5 8.3
07/0719:00:003.1 1.9 se8.9 secs1.5 se5.6 secs0.3 se 13.9secs1.2 -1.5 8.9
07/0718:00:003.4 2.6 se7.8 secs0.3 se11.1 secs0.0 se 0.0secs1.4 -1.8 7.8

 

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 07/08
Combined Sea Height:9.8 ft
Dominant Period:8.0 secs
Wind Speed: 23.4 kts
Wind Gust: 27.3 kts
Wind Direction:010 degrees
Barometric Pressure:1011.7 mbs
Air Temperature: 63.9 degrees
Water Temperature:71.4 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)
07/0817:50:009.88.023.427.30101011.763.971.4
07/0816:50:0010.28.025.431.20101011.263.070.3
07/0815:50:008.58.027.333.10101010.862.470.0
07/0814:50:008.58.027.331.20201009.662.470.3
07/0813:50:007.28.023.429.20101009.063.171.8
07/0812:50:005.66.021.425.43601008.862.272.7
07/0811:50:004.66.019.521.43201008.760.673.2
07/0810:50:004.68.017.621.43101008.461.573.2
07/0809:50:004.38.09.813.73101008.462.273.4
07/0808:50:004.38.013.715.62801008.462.673.4
07/0807:50:004.38.05.89.82801008.763.073.6
07/0806:50:004.60.011.713.72801009.432.073.4
07/0805:50:004.98.011.713.72701009.766.773.4
07/0804:50:005.67.011.713.72501009.870.773.6
07/0803:50:004.98.07.89.82401010.272.573.6
07/0802:50:005.28.03.93.92301010.572.373.6
07/0801:50:004.68.05.87.82201010.972.373.6
07/0800:50:004.98.05.87.81201010.673.073.8
07/0723:50:004.98.05.87.80901010.971.473.8
07/0722:50:000.00.09.811.70601011.069.473.9
07/0721:50:004.66.09.811.70601011.270.573.8
07/0720:50:004.98.07.87.80801011.670.573.8
07/0719:50:004.99.05.87.81001012.071.173.6
07/0718:50:004.98.07.89.80901012.671.273.2

 

000021817 ___0.026056
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