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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)10/16
18:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
18:00:00 (GMT) on 10/16
Sea Height:5.7 ft
Primary Swell Height: 3.8 ft
Primary Swell Period: 7.2 secs
Surf Height1.9 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)
10/1618:00:005.7 3.8 se7.2 secs1.2 se11.0 secs0.0 se 0.0secs1.9 -2.5 7.2
10/1617:00:004.5 3.0 se6.7 secs1.6 se11.1 secs0.3 se 14.3secs1.4 -1.8 6.7
10/1616:00:005.0 3.5 se7.1 secs1.3 se11.0 secs0.0 se 0.0secs1.7 -2.2 7.1
10/1615:00:005.7 4.0 se6.7 secs2.3 se10.1 secs0.8 se 13.3secs1.9 -2.4 6.7
10/1614:00:005.2 3.1 se8.3 secs1.4 se12.2 secs0.0 se 0.0secs1.8 -2.3 8.3
10/1613:00:005.5 2.3 se11.1 secs3.3 se7.7 secs0.6 se 14.3secs1.8 -2.3 11.1
10/1612:00:005.3 3.0 se8.4 secs1.7 se12.4 secs0.3 se 16.7secs1.8 -2.3 8.4
10/1611:00:006.0 3.7 se8.3 secs2.0 se12.1 secs0.7 se 15.2secs2.1 -2.7 8.3
10/1610:00:005.7 3.1 se10.1 secs3.4 se6.7 secs1.1 se 13.3secs2.2 -2.8 10.1
10/1609:00:005.2 3.4 se7.7 secs2.0 se11.0 secs0.6 se 14.9secs1.8 -2.3 7.7
10/1608:00:005.4 3.5 se7.7 secs2.0 se11.1 secs0.4 se 14.3secs1.9 -2.5 7.7
10/1607:00:005.3 3.6 se7.1 secs2.1 se11.0 secs0.4 se 14.3secs1.8 -2.3 7.1
10/1606:00:005.4 3.5 se7.1 secs1.9 se11.0 secs0.5 se 14.3secs1.8 -2.3 7.1
10/1605:00:004.7 2.5 se10.1 secs2.9 se6.3 secs1.0 se 13.3secs1.8 -2.3 10.1
10/1604:00:005.4 2.6 se11.0 secs3.7 se6.2 secs0.3 se 14.3secs2.0 -2.6 11.0
10/1603:00:005.3 2.8 se10.1 secs3.4 se5.9 secs1.1 se 13.3secs2.0 -2.6 10.1
10/1602:00:004.9 3.2 se10.9 secs2.7 se5.5 secs0.6 se 15.0secs2.5 -3.2 10.9
10/1601:00:004.3 3.2 se11.0 secs1.9 se7.8 secs0.6 se 14.9secs2.4 -3.1 11.0
10/1600:00:004.0 3.0 se11.0 secs1.8 se7.7 secs0.6 se 14.3secs2.3 -2.9 11.0
10/1523:00:004.1 2.9 se11.0 secs2.1 se7.8 secs0.4 se 15.1secs2.2 -2.9 11.0
10/1522:00:004.1 3.1 se10.1 secs1.2 se6.7 secs0.5 se 14.3secs2.2 -2.8 10.1
10/1521:00:004.7 3.7 se10.9 secs2.1 se7.8 secs0.4 se 14.3secs2.8 -3.6 10.9
10/1520:00:004.9 3.9 se10.9 secs1.4 se7.2 secs0.5 se 15.5secs3.0 -3.9 10.9
10/1519:00:004.5 3.3 se11.1 secs2.0 se7.8 secs0.3 se 14.3secs2.5 -3.3 11.1

 

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
18:00:00 (GMT) on 10/16
Combined Sea Height:7.9 ft
Dominant Period:7.0 secs
Wind Speed: 23.4 kts
Wind Gust: 29.2 kts
Wind Direction:340 degrees
Barometric Pressure:1005.5 mbs
Air Temperature: 52.0 degrees
Water Temperature:59.9 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)
10/1618:00:007.97.023.429.23401005.552.059.9
10/1617:00:008.27.023.429.23401005.752.059.9
10/1616:00:008.50.023.429.23401005.832.032.0
10/1615:00:008.90.023.429.23401006.652.060.4
10/1614:00:000.00.023.427.33401006.753.160.3
10/1613:00:008.90.021.427.33401006.953.260.3
10/1612:00:008.50.021.425.43401007.153.260.3
10/1611:00:008.27.019.525.43601007.532.032.0
10/1610:00:008.50.019.525.43501007.452.260.3
10/1609:00:008.58.023.427.33501007.753.260.4
10/1608:00:000.00.021.427.33401007.653.660.3
10/1607:00:007.57.021.427.33501007.454.360.3
10/1606:00:000.00.021.427.33401007.632.032.0
10/1605:00:000.00.021.425.43501008.354.560.4
10/1604:00:000.00.021.425.43601008.754.760.6
10/1603:00:007.96.021.427.33601008.755.060.8
10/1602:00:008.25.023.427.33601009.055.861.0
10/1601:00:007.210.023.429.23601009.157.061.0
10/1600:00:006.610.021.427.33501008.957.661.2
10/1523:00:006.210.019.523.43601008.658.161.2
10/1522:00:006.210.015.617.63601008.857.961.2
10/1521:00:006.210.017.619.53501008.857.761.0
10/1520:00:000.00.013.717.63301008.757.661.2
10/1519:00:006.28.013.715.63401008.657.761.5

 

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