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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)07/18
07:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
07:00:00 (GMT) on 07/18
Sea Height:1.4 ft
Primary Swell Height: 0.9 ft
Primary Swell Period: 14.2 secs
Surf Height0.9 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)
07/1807:00:001.4 0.9 se14.2 secs0.5 se9.0 secs0.8 se 5.5secs0.9 -1.1 14.2
07/1806:00:001.4 0.9 se14.3 secs0.8 se5.5 secs0.3 se 10.1secs0.9 -1.1 14.3
07/1805:00:001.5 1.0 se14.1 secs1.0 se5.5 secs0.3 se 10.1secs1.0 -1.3 14.1
07/1804:00:001.5 0.9 se14.2 secs0.9 se5.5 secs0.3 se 10.2secs0.9 -1.2 14.2
07/1803:00:001.5 0.9 se14.5 secs0.9 se5.5 secs0.3 se 9.9secs0.9 -1.2 14.5
07/1802:00:001.4 0.8 se14.4 secs0.9 se5.6 secs0.3 se 8.9secs0.8 -1.0 14.4
07/1801:00:001.6 0.9 se14.4 secs1.0 se5.9 secs0.4 se 9.0secs0.9 -1.2 14.4
07/1800:00:001.5 0.9 se14.1 secs0.8 se6.2 secs0.4 se 9.9secs0.9 -1.2 14.1
07/1723:00:001.7 1.1 se14.3 secs1.0 se6.2 secs0.3 se 10.1secs1.1 -1.4 14.3
07/1722:00:001.6 1.0 se14.6 secs1.0 se6.3 secs0.4 se 11.5secs1.0 -1.3 14.6
07/1721:00:001.6 1.0 se14.3 secs0.9 se6.2 secs0.4 se 9.9secs1.0 -1.3 14.3
07/1720:00:001.7 0.9 se14.4 secs1.1 se5.9 secs0.5 se 9.0secs1.0 -1.2 14.4
07/1719:00:001.7 1.0 se14.5 secs0.9 se5.8 secs0.4 se 9.0secs1.0 -1.3 14.5
07/1718:00:001.8 1.0 se14.8 secs1.1 se5.6 secs0.4 se 11.4secs1.1 -1.4 14.8
07/1717:00:001.8 0.9 se14.8 secs1.2 se5.5 secs0.3 se 11.6secs1.0 -1.2 14.8
07/1716:00:001.8 0.7 se14.3 secs1.3 se5.6 secs0.4 se 9.0secs0.7 -1.0 14.3
07/1715:00:001.5 0.8 se14.4 secs0.9 se5.9 secs0.4 se 8.9secs0.8 -1.0 14.4
07/1714:00:001.3 0.8 se14.5 secs0.4 se11.5 secs0.7 se 5.9secs0.8 -1.0 14.5
07/1713:00:001.4 0.9 se14.2 secs0.8 se5.9 secs0.4 se 8.9secs0.9 -1.1 14.2
07/1712:00:001.4 0.7 se14.6 secs0.9 se5.9 secs0.4 se 9.0secs0.7 -0.9 14.6
07/1711:00:001.4 0.7 se14.4 secs0.9 se6.2 secs0.3 se 10.0secs0.7 -1.0 14.4
07/1710:00:001.6 0.7 se14.5 secs0.9 se7.1 secs0.0 se 0.0secs0.7 -0.9 14.5
07/1709:00:001.6 0.8 se14.9 secs1.1 se6.3 secs0.4 se 11.3secs0.8 -1.1 14.9
07/1708:00:001.6 0.8 se14.6 secs1.1 se6.3 secs0.4 se 11.4secs0.8 -1.1 14.6

 

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
06:50:00 (GMT) on 07/18
Combined Sea Height:2.3 ft
Dominant Period:5.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:230 degrees
Barometric Pressure:1017.5 mbs
Air Temperature: 69.1 degrees
Water Temperature:69.1 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)
07/1806:50:002.35.03.95.82301017.569.169.1
07/1805:50:002.36.05.87.82301017.669.368.4
07/1804:50:002.36.05.85.82201017.669.869.8
07/1803:50:002.314.03.95.82001017.568.969.1
07/1802:50:002.35.03.95.82001017.268.468.2
07/1801:50:002.66.03.93.91901017.667.368.5
07/1800:50:002.36.01.93.92101016.967.368.5
07/1723:50:002.36.03.95.82901016.767.168.9
07/1722:50:002.66.05.85.83001016.267.366.9
07/1721:50:002.36.03.95.82901015.867.668.4
07/1720:50:002.315.03.93.93001016.067.368.7
07/1719:50:002.315.05.87.83201016.266.968.4
07/1718:50:002.615.05.85.83201016.466.968.4
07/1717:50:003.06.05.87.83301016.467.132.0
07/1716:50:003.06.05.87.83201016.567.368.4
07/1715:50:002.65.07.89.83201016.367.166.0
07/1714:50:002.36.07.89.83001015.866.966.6
07/1713:50:002.36.05.87.82801015.567.168.0
07/1712:50:002.314.03.95.82501015.567.567.5
07/1711:50:002.36.05.85.82701015.366.966.7
07/1710:50:002.36.03.95.82401014.966.466.4
07/1709:50:002.67.03.93.92101014.565.364.9
07/1708:50:002.67.03.93.92101013.864.863.9
07/1707:50:002.60.00.00.00001013.863.763.1

 

000021911 ___0.027395
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