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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
03:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
03:00:00 (GMT) on 10/31
Sea Height:2.5 ft
Primary Swell Height: 1.8 ft
Primary Swell Period: 5.9 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)
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
10/3022:00:002.3 1.3 se7.2 secs0.6 se11.2 secs0.1 se 14.3secs0.7 -0.9 7.2
10/3021:00:002.0 0.9 se9.0 secs1.3 se5.6 secs0.6 se 12.3secs0.6 -0.7 9.0
10/3020:00:002.0 1.0 se8.3 secs0.5 se11.6 secs0.0 se 0.0secs0.6 -0.7 8.3
10/3019:00:002.0 0.7 se11.2 secs1.3 se5.6 secs0.2 se 14.3secs0.6 -0.7 11.2
10/3018:00:001.9 1.4 se5.6 secs0.7 se9.0 secs0.5 se 12.2secs0.5 -0.7 5.6
10/3017:00:001.9 1.4 se5.6 secs0.7 se10.1 secs0.3 se 13.3secs0.5 -0.7 5.6
10/3016:00:001.9 1.4 se5.5 secs0.7 se9.9 secs0.0 se 0.0secs0.5 -0.7 5.5
10/3015:00:002.0 1.2 se6.2 secs0.7 se11.0 secs0.0 se 0.0secs0.5 -0.7 6.2
10/3014:00:001.9 1.3 se5.8 secs0.6 se11.9 secs0.0 se 0.0secs0.5 -0.7 5.8
10/3013:00:001.5 0.9 se8.3 secs0.5 se12.1 secs0.0 se 0.0secs0.5 -0.7 8.3
10/3012:00:001.6 0.8 se7.7 secs0.5 se12.2 secs0.0 se 0.0secs0.5 -0.6 7.7
10/3011:00:001.4 0.6 se11.1 secs0.8 se7.2 secs0.2 se 14.3secs0.5 -0.6 11.1
10/3010:00:001.4 0.6 se12.3 secs0.8 se8.3 secs0.0 se 0.0secs0.5 -0.6 12.3
10/3009:00:001.3 0.6 se11.3 secs0.8 se7.8 secs0.0 se 0.0secs0.5 -0.6 11.3
10/3008:00:001.2 0.6 se11.2 secs0.7 se7.7 secs0.1 se 14.3secs0.4 -0.6 11.2
10/3007:00:001.3 0.8 se11.3 secs0.6 se7.8 secs0.0 se 0.0secs0.6 -0.8 11.3
10/3006:00:001.3 0.6 se12.2 secs0.8 se7.6 secs0.0 se 0.0secs0.5 -0.6 12.2
10/3005:00:001.1 0.6 se10.1 secs0.6 se6.8 secs0.0 se 0.0secs0.4 -0.6 10.1
10/3004:00:001.2 0.6 se11.3 secs0.7 se7.7 secs0.1 se 14.3secs0.4 -0.6 11.3

 

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
03:50:00 (GMT) on 10/31
Combined Sea Height:5.2 ft
Dominant Period:6.0 secs
Wind Speed: 25.4 kts
Wind Gust: 33.1 kts
Wind Direction:330 degrees
Barometric Pressure:1019.4 mbs
Air Temperature: 56.3 degrees
Water Temperature:58.5 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)
10/3103:50:005.26.025.433.13301019.456.358.5
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
10/3022:50:003.96.09.813.72801015.159.959.9
10/3021:50:003.36.011.715.62901014.259.960.4
10/3020:50:003.66.011.711.72801013.659.932.0
10/3019:50:003.36.011.713.72701013.560.360.6
10/3018:50:003.65.011.711.72601013.360.660.4
10/3017:50:003.66.09.811.72701013.661.060.4
10/3016:50:003.66.09.811.72601014.161.360.3
10/3015:50:003.65.09.811.72401014.862.132.0
10/3014:50:003.66.011.713.72201014.862.160.1
10/3013:50:003.35.07.89.82301015.661.259.9
10/3012:50:003.05.07.89.82301016.060.660.1
10/3011:50:003.05.09.811.72401016.160.459.9
10/3010:50:002.64.07.87.82301016.060.132.0
10/3009:50:002.35.07.89.82301016.160.159.7
10/3008:50:002.68.07.89.82601016.760.359.7
10/3007:50:002.34.07.87.82401017.260.359.5
10/3006:50:002.38.07.89.82301017.861.259.7
10/3005:50:002.38.09.811.72401018.061.259.5
10/3004:50:002.38.011.713.72301018.161.959.5

 

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