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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)07/15
04:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
04:00:00 (GMT) on 07/15
Sea Height:3.5 ft
Primary Swell Height: 2.9 ft
Primary Swell Period: 6.2 secs
Surf Height1.2 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)
07/1504:00:003.5 2.9 se6.2 secs0.5 se10.1 secs0.0 se 0.0secs1.2 -1.6 6.2
07/1503:00:003.2 2.4 se6.2 secs0.5 se9.5 secs0.2 se 12.5secs1.1 -1.4 6.2
07/1502:00:003.1 2.4 se6.2 secs0.5 se10.0 secs0.0 se 0.0secs1.1 -1.4 6.2
07/1501:00:003.5 2.7 se6.3 secs0.5 se10.0 secs0.0 se 0.0secs1.2 -1.5 6.3
07/1500:00:003.4 2.7 se6.2 secs0.6 se9.8 secs0.0 se 0.0secs1.2 -1.5 6.2
07/1423:00:003.8 3.0 se6.2 secs0.7 se9.7 secs0.0 se 0.0secs1.3 -1.7 6.2
07/1422:00:003.9 3.1 se6.2 secs0.6 se10.1 secs0.0 se 0.0secs1.4 -1.8 6.2
07/1421:00:003.8 3.3 se5.9 secs0.7 se9.9 secs0.0 se 0.0secs1.4 -1.8 5.9
07/1420:00:003.0 2.6 se5.6 secs0.7 se9.1 secs0.0 se 0.0secs1.0 -1.3 5.6
07/1419:00:002.7 2.4 se5.5 secs0.6 se10.1 secs0.0 se 0.0secs0.9 -1.2 5.5
07/1418:00:001.9 1.5 se5.5 secs0.7 se9.9 secs0.0 se 0.0secs0.6 -0.8 5.5
07/1417:00:001.5 0.8 se9.1 secs1.0 se5.5 secs0.2 se 12.5secs0.5 -0.6 9.1
07/1416:00:001.1 0.7 se10.0 secs0.6 se5.5 secs0.0 se 0.0secs0.5 -0.6 10.0
07/1415:00:001.1 0.7 se9.1 secs0.5 se5.6 secs0.0 se 0.0secs0.4 -0.5 9.1
07/1414:00:001.1 0.7 se10.0 secs0.5 se6.7 secs0.0 se 0.0secs0.5 -0.6 10.0
07/1413:00:001.1 0.7 se10.0 secs0.5 se6.7 secs0.1 se 13.6secs0.5 -0.6 10.0
07/1412:00:001.2 0.8 se10.0 secs0.6 se6.6 secs0.0 se 0.0secs0.6 -0.7 10.0
07/1411:00:001.2 0.8 se9.0 secs0.5 se5.9 secs0.1 se 12.5secs0.5 -0.6 9.0
07/1410:00:001.2 0.7 se10.1 secs0.6 se6.7 secs0.2 se 13.5secs0.5 -0.7 10.1
07/1409:00:001.2 0.7 se9.9 secs0.5 se6.7 secs0.2 se 13.2secs0.5 -0.6 9.9
07/1408:00:001.2 0.8 se9.1 secs0.2 se12.5 secs0.5 se 5.5secs0.5 -0.6 9.1
07/1407:00:001.1 0.8 se9.0 secs0.2 se12.5 secs0.4 se 5.9secs0.5 -0.6 9.0
07/1406:00:001.0 0.7 se10.0 secs0.4 se6.8 secs0.2 se 13.3secs0.5 -0.6 10.0
07/1405:00:001.2 0.8 se9.0 secs0.4 se5.5 secs0.2 se 12.5secs0.5 -0.7 9.0

 

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
04:50:00 (GMT) on 07/15
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 23.4 kts
Wind Gust: 27.3 kts
Wind Direction:230 degrees
Barometric Pressure:1011.2 mbs
Air Temperature: 71.8 degrees
Water Temperature:59.4 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)
07/1504:50:000.00.023.427.32301011.271.859.4
07/1503:50:005.66.023.427.32301011.572.161.3
07/1502:50:005.66.019.525.42301012.071.260.8
07/1501:50:005.96.017.621.42201012.870.763.1
07/1500:50:006.26.019.523.42301012.570.762.6
07/1423:50:005.66.015.617.62301013.069.332.0
07/1422:50:006.26.015.619.52301013.469.362.1
07/1421:50:005.66.017.621.42301013.369.662.6
07/1420:50:006.26.019.523.42401014.170.363.7
07/1419:50:005.66.021.427.32401014.271.163.0
07/1418:50:004.60.019.523.42401015.332.066.2
07/1417:50:004.65.019.523.42401016.172.569.1
07/1416:50:003.95.019.521.42301016.872.770.9
07/1415:50:003.65.017.619.52301018.072.971.2
07/1414:50:003.64.015.617.62301018.372.571.1
07/1413:50:003.34.015.617.62301018.771.869.6
07/1412:50:003.34.013.717.62301018.571.269.6
07/1411:50:003.04.013.715.62301018.670.769.3
07/1410:50:003.04.011.711.72401019.068.768.4
07/1409:50:003.05.09.811.72401019.367.866.9
07/1408:50:002.65.09.811.72301019.068.766.2
07/1407:50:002.65.09.811.72301019.669.464.9
07/1406:50:002.60.011.713.72201019.832.066.0
07/1405:50:002.64.011.715.62301020.271.232.0

 

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