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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)05/31
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 05/31
Sea Height:10.4 ft
Primary Swell Height: 8.9 ft
Primary Swell Period: 10.2 secs
Surf Height6.3 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)
05/3104:00:0010.4 8.9 se10.2 secs3.0 se6.7 secs0.0 se 0.0secs6.3 -8.1 10.2
05/3103:00:0011.2 9.0 se10.8 secs3.5 se7.2 secs0.0 se 0.0secs6.8 -8.8 10.8
05/3102:00:0011.7 9.6 se10.2 secs2.9 se13.4 secs3.7 se 6.7secs6.8 -8.8 10.2
05/3101:00:0010.1 7.9 se10.1 secs3.8 se6.7 secs0.0 se 0.0secs5.6 -7.2 10.1
05/3100:00:008.8 6.0 se10.0 secs3.8 se6.7 secs0.4 se 14.3secs4.2 -5.4 10.0
05/3023:00:008.8 6.2 se9.1 secs3.4 se5.9 secs1.4 se 13.0secs3.9 -5.1 9.1
05/3022:00:008.4 5.0 se9.9 secs4.3 se6.8 secs0.0 se 0.0secs3.5 -4.4 9.9
05/3021:00:007.5 5.3 se7.2 secs2.3 se11.0 secs0.3 se 14.3secs2.6 -3.4 7.2
05/3020:00:004.7 2.6 se10.0 secs2.9 se6.7 secs0.3 se 14.3secs1.8 -2.3 10.0
05/3019:00:004.4 2.2 se11.0 secs2.8 se7.1 secs0.3 se 14.3secs1.7 -2.2 11.0
05/3018:00:004.3 2.4 se10.1 secs2.5 se7.1 secs0.3 se 14.3secs1.7 -2.2 10.1
05/3017:00:004.4 2.4 se10.1 secs2.7 se6.7 secs0.2 se 14.3secs1.7 -2.2 10.1
05/3016:00:004.2 2.6 se10.9 secs2.1 se6.6 secs0.3 se 14.3secs1.9 -2.5 10.9
05/3015:00:004.1 2.5 se11.0 secs2.4 se5.9 secs0.4 se 14.3secs1.9 -2.4 11.0
05/3014:00:003.8 2.0 se11.1 secs2.4 se5.9 secs0.4 se 15.0secs1.6 -2.0 11.1
05/3013:00:003.5 2.8 se10.0 secs1.0 se6.7 secs0.3 se 14.3secs1.9 -2.5 10.0
05/3012:00:003.3 2.1 se11.1 secs1.6 se7.8 secs0.3 se 15.1secs1.7 -2.1 11.1
05/3011:00:003.1 2.0 se9.9 secs1.3 se6.7 secs0.0 se 0.0secs1.4 -1.7 9.9
05/3010:00:003.0 1.9 se9.1 secs0.7 se13.6 secs1.2 se 5.5secs1.2 -1.6 9.1
05/3009:00:003.1 2.1 se9.1 secs1.1 se12.1 secs1.2 se 5.9secs1.3 -1.7 9.1
05/3008:00:003.1 2.2 se9.0 secs0.8 se12.3 secs1.2 se 5.9secs1.4 -1.8 9.0
05/3007:00:003.0 2.3 se9.0 secs0.9 se12.3 secs1.0 se 5.9secs1.4 -1.8 9.0
05/3006:00:003.1 2.1 se9.8 secs1.4 se6.7 secs0.4 se 13.3secs1.5 -1.9 9.8
05/3005:00:003.1 2.2 se9.9 secs1.2 se6.7 secs0.5 se 13.5secs1.5 -1.9 9.9

 

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
04:50:00 (GMT) on 05/31
Combined Sea Height:14.8 ft
Dominant Period:10.0 secs
Wind Speed: 21.4 kts
Wind Gust: 25.4 kts
Wind Direction:350 degrees
Barometric Pressure:1012.0 mbs
Air Temperature: 47.5 degrees
Water Temperature:48.0 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)
05/3104:50:0014.810.021.425.43501012.047.548.0
05/3103:50:0013.811.023.429.23601011.947.147.8
05/3102:50:0015.411.023.427.33601011.646.947.8
05/3101:50:0016.710.027.333.13601011.546.848.2
05/3100:50:0014.89.027.335.10101010.646.848.2
05/3023:50:0012.88.029.235.10101009.747.532.0
05/3022:50:0013.88.029.237.00101007.847.348.7
05/3021:50:0011.88.029.237.00201005.848.632.0
05/3020:50:009.57.025.431.20401003.649.350.0
05/3019:50:007.27.019.525.40501003.050.250.5
05/3018:50:006.97.011.713.73101003.450.532.0
05/3017:50:006.97.015.619.52901003.451.651.1
05/3016:50:005.910.015.619.52901003.651.851.4
05/3015:50:006.210.013.717.62801003.652.351.6
05/3014:50:006.26.07.89.82501003.653.851.4
05/3013:50:005.610.011.713.71901003.554.932.0
05/3012:50:005.29.011.715.61701003.854.950.7
05/3011:50:005.69.017.621.41701004.455.232.0
05/3010:50:004.99.013.717.61601004.654.750.9
05/3009:50:005.29.011.715.62001005.653.850.9
05/3008:50:004.98.013.715.62001005.754.932.0
05/3007:50:004.69.00.03.90001006.454.050.7
05/3006:50:004.39.013.715.61801006.354.551.3
05/3005:50:004.69.011.713.71801007.554.532.0

 

000021443 ___0.029725
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