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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)09/14
18:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
18:00:00 (GMT) on 09/14
Sea Height:1.5 ft
Primary Swell Height: 0.8 ft
Primary Swell Period: 7.7 secs
Surf Height0.5 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)
09/1418:00:001.5 0.8 se7.7 secs0.5 se10.9 secs0.1 se 14.3secs0.5 -0.6 7.7
09/1417:00:001.5 0.7 se10.0 secs0.8 se6.7 secs0.0 se 0.0secs0.5 -0.6 10.0
09/1416:00:001.4 0.5 se10.0 secs0.9 se5.6 secs0.2 se 13.2secs0.4 -0.5 10.0
09/1415:00:001.7 1.0 se7.1 secs0.5 se11.1 secs0.1 se 14.3secs0.5 -0.6 7.1
09/1414:00:001.8 1.2 se5.9 secs0.6 se10.0 secs0.2 se 13.1secs0.5 -0.6 5.9
09/1413:00:002.3 1.6 se5.9 secs0.9 se9.0 secs0.4 se 12.2secs0.7 -0.8 5.9
09/1412:00:002.1 1.6 se6.2 secs0.6 se9.9 secs0.0 se 0.0secs0.7 -0.9 6.2
09/1411:00:002.0 1.3 se6.6 secs0.6 se10.0 secs0.0 se 0.0secs0.6 -0.8 6.6
09/1410:00:002.1 1.4 se7.0 secs0.5 se11.0 secs0.0 se 0.0secs0.7 -0.9 7.0
09/1409:00:002.4 1.8 se7.1 secs0.4 se11.1 secs0.1 se 14.3secs0.9 -1.2 7.1
09/1408:00:002.5 1.7 se6.7 secs0.6 se9.7 secs0.2 se 13.3secs0.8 -1.0 6.7
09/1407:00:002.3 1.7 se6.7 secs0.7 se10.0 secs0.3 se 13.2secs0.8 -1.0 6.7
09/1406:00:002.6 2.1 se6.6 secs0.5 se9.8 secs0.0 se 0.0secs1.0 -1.2 6.6
09/1405:00:002.8 2.2 se6.3 secs0.8 se9.9 secs0.2 se 13.2secs0.9 -1.2 6.3
09/1404:00:002.9 2.1 se6.6 secs0.7 se9.9 secs0.0 se 0.0secs1.0 -1.3 6.6
09/1403:00:003.1 2.3 se6.3 secs0.7 se9.9 secs0.0 se 0.0secs1.0 -1.3 6.3
09/1402:00:003.4 2.8 se6.2 secs0.5 se10.0 secs0.0 se 0.0secs1.2 -1.6 6.2
09/1401:00:003.5 2.8 se5.9 secs0.8 se9.1 secs0.0 se 0.0secs1.2 -1.5 5.9
09/1400:00:003.5 2.9 se5.9 secs0.8 se9.1 secs0.0 se 0.0secs1.2 -1.6 5.9
09/1323:00:003.0 2.5 se5.9 secs0.7 se9.9 secs0.0 se 0.0secs1.0 -1.3 5.9
09/1322:00:002.9 2.3 se5.9 secs0.8 se9.9 secs0.0 se 0.0secs1.0 -1.2 5.9
09/1321:00:002.8 2.3 se5.9 secs0.8 se10.0 secs0.0 se 0.0secs0.9 -1.2 5.9
09/1320:00:002.6 2.2 se5.8 secs0.8 se10.0 secs0.0 se 0.0secs0.9 -1.2 5.8
09/1319:00:002.5 1.9 se5.9 secs0.8 se10.0 secs0.3 se 13.0secs0.8 -1.0 5.9

 

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
18:50:00 (GMT) on 09/14
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 11.7 kts
Wind Gust: 15.6 kts
Wind Direction:350 degrees
Barometric Pressure:1014.2 mbs
Air Temperature: 32.0 degrees
Water Temperature:32.0 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)
09/1418:50:000.00.011.715.63501014.232.032.0
09/1417:50:002.66.011.713.73501013.962.662.4
09/1416:50:002.66.015.619.53401014.161.362.1
09/1415:50:003.05.011.715.63301013.860.460.8
09/1414:50:003.36.07.89.83001013.562.432.0
09/1413:50:003.66.03.95.82601012.362.132.0
09/1412:50:003.30.05.85.82301012.162.157.9
09/1411:50:003.36.03.95.82501011.961.257.7
09/1410:50:003.96.03.93.92701011.561.757.9
09/1409:50:003.66.05.85.82601011.162.832.0
09/1408:50:004.37.05.85.82401010.563.958.1
09/1407:50:003.96.05.85.82101009.762.858.1
09/1406:50:004.30.05.87.82201010.563.058.1
09/1405:50:004.66.05.87.82501010.663.758.5
09/1404:50:004.96.07.87.82701010.562.132.0
09/1403:50:005.66.09.811.72601010.763.358.3
09/1402:50:005.66.09.811.72501010.463.358.1
09/1401:50:005.96.013.717.62701010.063.758.1
09/1400:50:005.66.013.717.62501009.066.058.1
09/1323:50:005.26.013.715.62201008.567.832.0
09/1322:50:005.26.015.619.52201008.669.458.1
09/1321:50:004.96.015.619.52101009.070.759.0
09/1320:50:004.36.013.717.62101009.672.762.4
09/1319:50:004.66.013.719.52001010.473.066.4

 

000022481 ___0.029185
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