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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)09/15
08:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
08:00:00 (GMT) on 09/15
Sea Height:2.1 ft
Primary Swell Height: 1.6 ft
Primary Swell Period: 6.3 secs
Surf Height0.7 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)
09/1508:00:002.1 1.6 se6.3 secs0.6 se10.0 secs0.3 se 14.3secs0.7 -0.9 6.3
09/1507:00:001.9 1.3 se6.2 secs0.6 se9.8 secs0.2 se 13.2secs0.6 -0.7 6.2
09/1506:00:001.8 1.2 se6.6 secs0.5 se10.0 secs0.1 se 13.2secs0.6 -0.7 6.6
09/1505:00:001.9 1.1 se7.1 secs0.5 se10.8 secs0.1 se 14.3secs0.5 -0.7 7.1
09/1504:00:001.9 1.1 se7.1 secs0.4 se12.4 secs0.0 se 0.0secs0.6 -0.7 7.1
09/1503:00:001.8 1.2 se6.2 secs0.6 se10.0 secs0.2 se 14.0secs0.5 -0.7 6.2
09/1502:00:001.7 1.2 se6.7 secs0.5 se9.8 secs0.1 se 13.2secs0.5 -0.7 6.7
09/1501:00:001.6 1.1 se6.2 secs0.5 se9.8 secs0.0 se 0.0secs0.5 -0.6 6.2
09/1500:00:002.0 1.5 se6.2 secs0.6 se10.0 secs0.0 se 0.0secs0.7 -0.8 6.2
09/1423:00:001.4 0.7 se8.3 secs0.0 se0.0 secs se secs0.4 -0.5 8.3
09/1422:00:001.2 0.6 se9.1 secs0.8 se5.9 secs0.3 se 12.4secs0.4 -0.5 9.1
09/1421:00:001.3 0.6 se10.0 secs0.7 se6.7 secs0.0 se 0.0secs0.4 -0.6 10.0
09/1420:00:001.5 0.9 se8.3 secs0.3 se11.8 secs0.0 se 0.0secs0.5 -0.7 8.3
09/1419:00:001.4 0.8 se9.1 secs0.8 se5.6 secs0.1 se 12.5secs0.5 -0.6 9.1
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

 

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
08:50:00 (GMT) on 09/15
Combined Sea Height:4.6 ft
Dominant Period:6.0 secs
Wind Speed: 15.6 kts
Wind Gust: 19.5 kts
Wind Direction:030 degrees
Barometric Pressure:1023.2 mbs
Air Temperature: 63.0 degrees
Water Temperature:67.3 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)
09/1508:50:004.66.015.619.50301023.263.067.3
09/1507:50:004.36.017.619.50301022.963.568.4
09/1506:50:003.95.017.621.40301022.664.068.9
09/1505:50:003.95.019.523.40301021.964.868.9
09/1504:50:003.60.017.621.40201022.264.967.5
09/1503:50:003.36.013.717.60201021.664.666.4
09/1502:50:003.37.09.811.73601021.261.732.0
09/1501:50:003.36.011.713.73501020.561.559.2
09/1500:50:003.36.011.713.73601019.661.358.3
09/1423:50:003.66.011.713.73501018.260.457.7
09/1422:50:003.04.013.715.63601017.260.832.0
09/1421:50:003.07.015.617.63501016.461.358.3
09/1420:50:003.06.013.715.63501015.861.358.3
09/1419:50:003.00.013.715.63501014.861.259.4
09/1418:50:002.66.00.00.00001015.161.961.5
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

 

000022488 ___0.027104
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