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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)10/31
22:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
22:00:00 (GMT) on 10/31
Sea Height:3.9 ft
Primary Swell Height: 3 ft
Primary Swell Period: 7.6 secs
Surf Height1.6 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)
10/3122:00:003.9 3.0 se7.6 secs0.6 se12.6 secs0.0 se 0.0secs1.6 -2.0 7.6
10/3121:00:003.8 2.7 se7.7 secs0.6 se12.6 secs0.0 se 0.0secs1.4 -1.8 7.7
10/3120:00:004.1 2.3 se8.3 secs0.5 se12.2 secs0.0 se 0.0secs1.3 -1.7 8.3
10/3119:00:003.8 2.2 se8.4 secs0.6 se12.3 secs0.0 se 0.0secs1.3 -1.7 8.4
10/3118:00:003.9 2.4 se9.0 secs1.6 se5.6 secs0.7 se 12.0secs1.5 -1.9 9.0
10/3117:00:004.9 3.2 se9.1 secs2.0 se5.9 secs0.2 se 12.5secs2.0 -2.6 9.1
10/3116:00:004.5 2.9 se8.3 secs0.8 se11.9 secs0.0 se 0.0secs1.7 -2.2 8.3
10/3115:00:005.7 3.7 se8.3 secs0.0 se0.0 secs se secs2.2 -2.8 8.3
10/3114:00:004.4 3.4 se7.2 secs0.8 se10.7 secs0.2 se 14.3secs1.7 -2.2 7.2
10/3113:00:004.5 3.3 se7.1 secs0.5 se11.0 secs0.0 se 0.0secs1.7 -2.1 7.1
10/3112:00:004.4 3.1 se7.1 secs0.5 se11.1 secs0.0 se 0.0secs1.5 -2.0 7.1
10/3111:00:004.5 2.8 se7.2 secs0.7 se10.9 secs0.2 se 14.3secs1.4 -1.8 7.2
10/3110:00:004.6 3.2 se7.7 secs0.6 se10.9 secs0.0 se 0.0secs1.7 -2.2 7.7
10/3109:00:005.3 3.7 se7.7 secs0.3 se11.1 secs0.0 se 0.0secs2.0 -2.6 7.7
10/3108:00:005.5 3.8 se7.7 secs0.6 se10.9 secs0.0 se 0.0secs2.0 -2.6 7.7
10/3107:00:006.0 4.9 se7.2 secs0.0 se0.0 secs se secs2.5 -3.2 7.2
10/3106:00:005.5 4.0 se7.1 secs0.5 se11.0 secs0.0 se 0.0secs2.0 -2.6 7.1
10/3105:00:004.2 3.2 se6.3 secs0.5 se9.9 secs0.0 se 0.0secs1.4 -1.8 6.3
10/3104:00:003.1 2.4 se5.9 secs0.6 se9.0 secs0.2 se 12.5secs1.0 -1.3 5.9
10/3103:00:002.5 1.8 se5.9 secs0.7 se9.1 secs0.4 se 12.7secs0.7 -1.0 5.9
10/3102:00:002.3 1.7 se6.3 secs0.6 se10.1 secs0.0 se 0.0secs0.7 -1.0 6.3
10/3101:00:002.0 1.4 se6.3 secs0.7 se10.1 secs0.0 se 0.0secs0.6 -0.8 6.3
10/3100:00:002.1 1.4 se6.6 secs0.7 se9.9 secs0.3 se 13.3secs0.7 -0.8 6.6
10/3023:00:002.1 1.4 se6.2 secs0.7 se10.0 secs0.3 se 13.2secs0.6 -0.8 6.2

 

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
22:50:00 (GMT) on 10/31
Combined Sea Height:6.6 ft
Dominant Period:7.0 secs
Wind Speed: 11.7 kts
Wind Gust: 15.6 kts
Wind Direction:340 degrees
Barometric Pressure:1029.5 mbs
Air Temperature: 49.8 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)
10/3122:50:006.67.011.715.63401029.549.832.0
10/3121:50:006.28.013.717.63601028.450.260.8
10/3120:50:006.28.013.717.63301028.250.761.3
10/3119:50:006.68.011.715.63401027.450.961.5
10/3118:50:006.29.013.717.63501027.151.161.2
10/3117:50:007.28.013.717.63501026.851.360.8
10/3116:50:007.27.013.719.53601026.851.360.4
10/3115:50:007.98.015.621.43501026.951.659.7
10/3114:50:008.28.019.525.43501026.751.859.5
10/3113:50:006.97.019.523.43501026.552.059.7
10/3112:50:007.27.019.525.43601025.652.759.7
10/3111:50:007.57.023.429.23401024.753.660.1
10/3110:50:008.27.023.429.23401023.954.059.9
10/3109:50:008.27.025.431.23401022.954.732.0
10/3108:50:008.97.023.427.33401022.054.759.5
10/3107:50:008.98.023.429.23301021.355.059.5
10/3106:50:008.97.023.427.33401021.155.259.7
10/3105:50:008.26.023.431.23301020.655.659.7
10/3104:50:006.26.023.429.23401020.055.659.2
10/3103:50:005.26.025.433.13301019.456.358.5
10/3102:50:004.66.023.429.23401018.757.057.7
10/3101:50:004.35.021.427.33301017.958.557.7
10/3100:50:003.96.023.427.33201016.659.559.4
10/3023:50:003.66.017.623.43001015.860.859.9

 

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