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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)07/21
09:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
09:00:00 (GMT) on 07/21
Sea Height:1.3 ft
Primary Swell Height: 0.9 ft
Primary Swell Period: 7.1 secs
Surf Height0.4 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)
07/2109:00:001.3 0.9 se7.1 secs0.4 se12.3 secs0.0 se 0.0secs0.4 -0.6 7.1
07/2108:00:001.5 1.0 se7.1 secs0.5 se12.3 secs0.0 se 0.0secs0.5 -0.6 7.1
07/2107:00:001.5 1.0 se7.7 secs0.4 se12.2 secs0.0 se 0.0secs0.5 -0.7 7.7
07/2106:00:001.6 1.0 se7.7 secs0.5 se12.3 secs0.1 se 16.7secs0.5 -0.7 7.7
07/2105:00:001.8 1.2 se7.7 secs0.4 se12.3 secs0.0 se 0.0secs0.7 -0.8 7.7
07/2104:00:001.8 1.3 se7.7 secs0.5 se12.2 secs0.0 se 0.0secs0.7 -0.9 7.7
07/2103:00:001.8 1.4 se7.2 secs0.5 se12.4 secs0.1 se 16.7secs0.7 -0.9 7.2
07/2102:00:001.9 1.4 se7.7 secs0.5 se12.3 secs0.0 se 0.0secs0.7 -0.9 7.7
07/2101:00:001.9 1.4 se7.6 secs0.6 se11.4 secs0.0 se 0.0secs0.7 -1.0 7.6
07/2100:00:001.8 1.3 se7.8 secs0.5 se12.3 secs0.0 se 0.0secs0.7 -0.9 7.8
07/2023:00:001.9 1.1 se8.4 secs0.5 se12.4 secs0.1 se 16.7secs0.7 -0.8 8.4
07/2022:00:001.9 1.4 se7.7 secs0.6 se11.3 secs0.2 se 14.3secs0.7 -1.0 7.7
07/2021:00:001.9 1.4 se7.1 secs0.5 se12.4 secs0.0 se 0.0secs0.7 -0.9 7.1
07/2020:00:002.1 1.6 se7.2 secs0.4 se12.5 secs0.0 se 0.0secs0.8 -1.0 7.2
07/2019:00:002.2 1.4 se7.6 secs0.5 se12.4 secs0.0 se 0.0secs0.7 -1.0 7.6
07/2018:00:002.2 1.6 se7.7 secs0.5 se11.3 secs0.0 se 0.0secs0.9 -1.1 7.7
07/2017:00:002.3 1.7 se7.7 secs0.5 se11.3 secs0.0 se 0.0secs0.9 -1.2 7.7
07/2016:00:002.4 1.8 se7.7 secs0.5 se11.3 secs0.2 se 14.3secs1.0 -1.3 7.7
07/2015:00:002.4 1.8 se8.3 secs0.4 se11.8 secs0.0 se 0.0secs1.0 -1.3 8.3
07/2014:00:002.5 1.8 se8.3 secs0.5 se12.4 secs0.0 se 0.0secs1.0 -1.3 8.3
07/2013:00:002.5 1.8 se7.7 secs0.8 se11.1 secs0.3 se 14.3secs1.0 -1.3 7.7
07/2012:00:002.8 2.1 se8.3 secs0.7 se12.1 secs0.0 se 0.0secs1.2 -1.6 8.3
07/2011:00:003.0 2.2 se8.4 secs0.6 se12.2 secs0.0 se 0.0secs1.3 -1.6 8.4
07/2010:00:002.5 1.8 se8.3 secs0.7 se12.3 secs0.0 se 0.0secs1.0 -1.3 8.3

 

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
09:50:00 (GMT) on 07/21
Combined Sea Height:2.0 ft
Dominant Period:7.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:130 degrees
Barometric Pressure:1016.4 mbs
Air Temperature: 66.4 degrees
Water Temperature:64.6 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)
07/2109:50:002.07.03.95.81301016.466.464.6
07/2108:50:002.37.03.95.81501016.866.464.0
07/2107:50:002.37.03.93.91301016.666.063.5
07/2106:50:002.67.00.00.00001017.465.863.7
07/2105:50:002.68.01.93.91201016.965.363.7
07/2104:50:002.67.01.91.91101016.964.663.7
07/2103:50:002.67.00.00.00001017.164.964.0
07/2102:50:003.08.03.93.91401016.965.763.5
07/2101:50:002.68.01.93.91201017.165.864.2
07/2100:50:003.08.01.93.90901016.866.265.8
07/2023:50:002.66.03.93.91001016.266.967.1
07/2022:50:003.38.03.93.90401016.168.066.6
07/2021:50:003.07.01.93.90301015.868.965.1
07/2020:50:003.07.00.03.90001015.870.062.6
07/2019:50:003.30.00.00.00001016.769.162.4
07/2018:50:003.67.01.93.91101016.067.863.3
07/2017:50:003.68.03.93.91001016.166.963.0
07/2016:50:003.68.03.93.90501015.965.864.2
07/2015:50:003.68.03.93.90301015.764.261.3
07/2014:50:003.98.01.93.90201015.863.061.7
07/2013:50:003.68.03.95.83601015.363.062.1
07/2012:50:003.98.03.95.83501015.363.763.1
07/2011:50:004.38.03.93.90101014.763.764.8
07/2010:50:003.99.01.91.90401014.063.765.3

 

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