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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)07/26
21:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
21:00:00 (GMT) on 07/26
Sea Height:2.7 ft
Primary Swell Height: 2.2 ft
Primary Swell Period: 5.9 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)
07/2621:00:002.7 2.2 se5.9 secs0.5 se11.9 secs0.0 se 0.0secs0.9 -1.2 5.9
07/2620:00:002.7 2.0 se5.5 secs0.7 se8.8 secs0.2 se 12.5secs0.8 -1.0 5.5
07/2619:00:002.3 1.4 se6.6 secs0.5 se11.4 secs0.0 se 0.0secs0.7 -0.9 6.6
07/2618:00:002.0 1.4 se6.7 secs0.4 se12.5 secs0.0 se 0.0secs0.6 -0.8 6.7
07/2617:00:002.0 1.3 se6.7 secs0.5 se12.7 secs0.0 se 0.0secs0.6 -0.8 6.7
07/2616:00:001.9 1.3 se6.7 secs0.5 se9.8 secs0.3 se 13.1secs0.6 -0.8 6.7
07/2615:00:001.7 1.2 se6.7 secs0.4 se12.6 secs0.0 se 0.0secs0.6 -0.7 6.7
07/2614:00:001.8 1.3 se6.7 secs0.4 se12.5 secs0.0 se 0.0secs0.6 -0.8 6.7
07/2613:00:001.8 1.3 se7.1 secs0.4 se12.5 secs0.0 se 0.0secs0.7 -0.8 7.1
07/2612:00:001.7 1.1 se7.1 secs0.5 se12.8 secs0.0 se 0.0secs0.6 -0.7 7.1
07/2611:00:001.8 1.0 se7.1 secs0.3 se11.6 secs0.0 se 0.0secs0.5 -0.7 7.1
07/2610:00:001.9 1.2 se6.7 secs0.4 se12.4 secs0.0 se 0.0secs0.6 -0.7 6.7
07/2609:00:002.1 1.5 se6.7 secs0.3 se12.6 secs0.0 se 0.0secs0.7 -0.9 6.7
07/2608:00:002.2 1.6 se6.6 secs0.5 se12.6 secs0.0 se 0.0secs0.8 -1.0 6.6
07/2607:00:002.4 1.7 se6.7 secs0.5 se12.2 secs0.0 se 0.0secs0.8 -1.0 6.7
07/2606:00:002.5 1.6 se6.7 secs0.4 se10.0 secs0.0 se 0.0secs0.7 -1.0 6.7
07/2605:00:002.3 1.4 se7.1 secs0.4 se12.6 secs0.0 se 0.0secs0.7 -0.9 7.1
07/2604:00:002.1 1.4 se6.2 secs0.3 se12.3 secs0.0 se 0.0secs0.6 -0.8 6.2
07/2603:00:002.4 1.8 se6.3 secs0.4 se9.8 secs0.0 se 0.0secs0.8 -1.0 6.3
07/2602:00:002.5 1.6 se7.1 secs0.4 se12.7 secs0.0 se 0.0secs0.8 -1.0 7.1
07/2601:00:002.4 1.7 se5.9 secs0.6 se9.0 secs0.3 se 12.2secs0.7 -0.9 5.9
07/2600:00:003.3 2.4 se5.9 secs0.4 se11.6 secs0.0 se 0.0secs1.0 -1.3 5.9
07/2523:00:003.5 2.8 se6.2 secs0.4 se12.5 secs0.0 se 0.0secs1.2 -1.6 6.2
07/2522:00:003.4 2.5 se6.2 secs0.6 se12.6 secs0.2 se 16.7secs1.1 -1.4 6.2

 

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
21:50:00 (GMT) on 07/26
Combined Sea Height:4.9 ft
Dominant Period:5.0 secs
Wind Speed: 17.6 kts
Wind Gust: 19.5 kts
Wind Direction:040 degrees
Barometric Pressure:1007.6 mbs
Air Temperature: 66.9 degrees
Water Temperature:73.8 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)
07/2621:50:004.95.017.619.50401007.666.973.8
07/2620:50:004.96.017.619.50401007.566.473.9
07/2619:50:005.26.017.619.50301007.866.473.6
07/2618:50:004.94.017.619.50301008.266.973.0
07/2617:50:004.66.015.617.60301008.666.972.9
07/2616:50:004.34.015.619.50301008.966.472.9
07/2615:50:004.37.015.619.50201009.366.072.9
07/2614:50:003.67.013.717.60201009.866.272.9
07/2613:50:003.67.015.617.60301009.866.273.2
07/2612:50:003.67.013.715.60301010.266.073.6
07/2611:50:003.65.015.617.60401010.166.473.9
07/2610:50:003.97.017.619.50401010.066.273.8
07/2609:50:003.96.015.617.60401010.265.773.6
07/2608:50:004.67.013.715.60501010.565.373.2
07/2607:50:004.66.015.619.50401010.664.672.3
07/2606:50:004.67.017.619.50201010.764.071.2
07/2605:50:004.36.015.619.50201011.164.270.9
07/2604:50:004.36.013.717.60301011.765.772.0
07/2603:50:004.67.011.715.60401012.765.870.9
07/2602:50:004.66.013.715.60401013.066.469.6
07/2601:50:004.96.013.717.60501013.766.469.3
07/2600:50:005.26.015.619.50601013.666.669.1
07/2523:50:005.66.017.621.40601013.767.169.1
07/2522:50:005.96.019.523.40601013.667.569.4

 

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