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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)04/30
11:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
11:00:00 (GMT) on 04/30
Sea Height:3.0 ft
Primary Swell Height: 2.1 ft
Primary Swell Period: 6.6 secs
Surf Height1.0 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)
04/3011:00:003.0 2.1 se6.6 secs0.9 se9.9 secs0.3 se 14.2secs1.0 -1.2 6.6
04/3010:00:002.7 1.5 se7.6 secs0.7 se10.9 secs0.0 se 0.0secs0.8 -1.0 7.6
04/3009:00:002.8 1.6 se7.7 secs0.5 se10.8 secs0.0 se 0.0secs0.8 -1.1 7.7
04/3008:00:003.0 1.9 se7.1 secs0.8 se10.9 secs0.1 se 14.3secs0.9 -1.2 7.1
04/3007:00:003.1 2.1 se6.7 secs1.0 se9.9 secs0.2 se 13.2secs1.0 -1.3 6.7
04/3006:00:003.1 2.1 se6.6 secs0.8 se9.9 secs0.0 se 0.0secs1.0 -1.3 6.6
04/3005:00:003.4 2.4 se6.7 secs0.8 se9.9 secs0.0 se 0.0secs1.1 -1.4 6.7
04/3004:00:003.1 2.0 se7.1 secs0.7 se10.8 secs0.1 se 14.3secs1.0 -1.3 7.1
04/3003:00:003.7 2.7 se6.7 secs1.0 se9.8 secs0.0 se 0.0secs1.2 -1.6 6.7
04/3002:00:003.4 2.4 se6.7 secs1.1 se9.9 secs0.4 se 13.2secs1.1 -1.4 6.7
04/3001:00:003.5 2.4 se6.6 secs0.9 se10.0 secs0.0 se 0.0secs1.1 -1.4 6.6
04/3000:00:003.4 2.4 se6.3 secs1.0 se9.9 secs0.0 se 0.0secs1.1 -1.4 6.3
04/2923:00:003.4 2.2 se6.7 secs1.0 se10.1 secs0.0 se 0.0secs1.0 -1.3 6.7
04/2922:00:003.6 2.8 se6.6 secs0.9 se10.1 secs0.0 se 0.0secs1.3 -1.7 6.6
04/2921:00:003.2 2.4 se6.3 secs0.9 se10.0 secs0.0 se 0.0secs1.1 -1.4 6.3
04/2920:00:003.6 2.8 se6.3 secs0.9 se10.0 secs0.0 se 0.0secs1.2 -1.6 6.3
04/2919:00:003.0 2.1 se6.3 secs0.9 se10.1 secs0.3 se 14.0secs0.9 -1.2 6.3
04/2918:00:002.9 2.2 se5.6 secs1.0 se9.0 secs0.1 se 12.5secs0.9 -1.1 5.6
04/2917:00:002.9 2.2 se5.6 secs0.8 se11.1 secs0.2 se 14.3secs0.9 -1.1 5.6
04/2916:00:002.7 2.0 se5.5 secs0.8 se10.0 secs0.4 se 13.2secs0.8 -1.0 5.5
04/2915:00:003.2 2.5 se5.5 secs0.8 se10.0 secs0.0 se 0.0secs1.0 -1.3 5.5
04/2914:00:002.5 1.9 se5.6 secs0.9 se10.0 secs0.4 se 14.3secs0.7 -1.0 5.6
04/2913:00:002.6 1.1 se9.9 secs1.9 se5.5 secs0.2 se 14.2secs0.8 -1.0 9.9
04/2912:00:002.3 1.2 se10.1 secs1.6 se5.5 secs0.5 se 14.1secs0.8 -1.1 10.1

 

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
11:00:00 (GMT) on 04/30
Combined Sea Height:4.9 ft
Dominant Period:6.0 secs
Wind Speed: 17.6 kts
Wind Gust: 21.4 kts
Wind Direction:050 degrees
Barometric Pressure:1020.8 mbs
Air Temperature: 44.4 degrees
Water Temperature:45.7 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)
04/3011:00:004.96.017.621.40501020.844.445.7
04/3010:00:005.26.017.619.50401020.644.645.5
04/3009:00:004.96.015.617.60501020.244.245.7
04/3008:00:004.96.017.621.40501018.944.245.5
04/3007:00:004.97.013.717.60501020.144.145.5
04/3006:00:005.27.09.811.70501020.844.245.7
04/3005:00:005.26.013.715.60601020.044.245.7
04/3004:00:005.97.017.619.50601019.544.245.7
04/3003:00:005.67.019.523.40601019.144.445.7
04/3002:00:006.27.019.523.40701018.844.645.7
04/3001:00:005.97.019.523.40701019.445.145.7
04/3000:00:005.96.021.425.40701019.045.045.7
04/2923:00:005.96.017.621.40701019.844.845.7
04/2922:00:005.97.019.521.40601019.145.045.7
04/2921:00:005.97.017.621.40701019.045.145.7
04/2920:00:005.67.019.523.40701018.545.045.7
04/2919:00:005.96.019.521.40701018.544.845.7
04/2918:00:005.26.019.521.40601019.144.645.9
04/2917:00:005.25.017.621.40601019.844.845.9
04/2916:00:005.26.017.621.40601020.044.845.9
04/2915:00:004.95.019.521.40701020.144.645.5
04/2914:00:005.95.017.621.40701020.344.245.1
04/2913:00:004.96.019.521.40701020.343.945.3
04/2912:00:004.96.019.521.40601020.543.945.7

 

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