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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)11/29
19:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
19:00:00 (GMT) on 11/29
Sea Height:5.4 ft
Primary Swell Height: 4.1 ft
Primary Swell Period: 7.8 secs
Surf Height2.2 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)
11/2919:00:005.4 4.1 se7.8 secs0.4 se11.1 secs0.0 se 0.0secs2.2 -2.9 7.8
11/2918:00:005.7 3.9 se8.4 secs1.1 se11.7 secs0.0 se 0.0secs2.3 -3.0 8.4
11/2917:00:005.5 3.7 se8.4 secs0.0 se0.0 secs se secs2.2 -2.8 8.4
11/2916:00:005.5 3.7 se8.9 secs2.2 se5.6 secs0.0 se 0.0secs2.3 -2.9 8.9
11/2915:00:006.8 5.0 se8.4 secs0.0 se0.0 secs se secs3.0 -3.8 8.4
11/2914:00:005.7 3.6 se9.0 secs2.8 se5.9 secs0.2 se 12.5secs2.3 -2.9 9.0
11/2913:00:006.1 3.8 se9.1 secs2.5 se5.9 secs0.5 se 12.5secs2.4 -3.1 9.1
11/2912:00:006.3 4.6 se8.4 secs1.1 se11.5 secs0.0 se 0.0secs2.7 -3.5 8.4
11/2911:00:006.5 5.0 se8.4 secs0.9 se11.5 secs0.0 se 0.0secs2.9 -3.7 8.4
11/2910:00:006.8 4.9 se9.0 secs3.0 se6.0 secs0.0 se 0.0secs3.1 -4.0 9.0
11/2909:00:006.6 5.0 se8.4 secs1.0 se11.4 secs0.0 se 0.0secs2.9 -3.8 8.4
11/2908:00:006.7 4.6 se8.4 secs1.7 se11.9 secs0.0 se 0.0secs2.7 -3.5 8.4
11/2907:00:007.5 5.7 se9.1 secs2.6 se5.9 secs0.5 se 12.5secs3.6 -4.7 9.1
11/2906:00:008.3 6.6 se9.1 secs2.5 se5.9 secs0.5 se 12.5secs4.2 -5.4 9.1
11/2905:00:008.7 6.7 se9.1 secs3.0 se5.9 secs0.8 se 12.5secs4.3 -5.5 9.1
11/2904:00:007.7 5.3 se9.1 secs2.6 se5.9 secs0.8 se 12.5secs3.4 -4.4 9.1
11/2903:00:008.3 6.2 se9.8 secs3.6 se6.7 secs0.0 se 0.0secs4.3 -5.5 9.8
11/2902:00:007.9 5.7 se9.1 secs2.8 se5.9 secs1.0 se 13.2secs3.6 -4.7 9.1
11/2901:00:008.0 6.3 se9.1 secs2.5 se5.9 secs0.5 se 12.5secs4.0 -5.2 9.1
11/2900:00:007.9 4.9 se9.9 secs3.5 se6.8 secs0.0 se 0.0secs3.4 -4.4 9.9
11/2823:00:008.1 6.2 se9.1 secs2.7 se5.9 secs0.0 se 0.0secs3.9 -5.1 9.1
11/2822:00:009.3 7.2 se9.0 secs3.2 se5.9 secs0.5 se 12.5secs4.6 -5.9 9.0
11/2821:00:008.4 6.5 se9.0 secs2.9 se6.0 secs0.5 se 12.5secs4.1 -5.3 9.0
11/2820:00:007.7 5.8 se8.3 secs1.0 se11.5 secs0.0 se 0.0secs3.4 -4.4 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
19:00:00 (GMT) on 11/29
Combined Sea Height:7.9 ft
Dominant Period:8.0 secs
Wind Speed: 17.6 kts
Wind Gust: 21.4 kts
Wind Direction:310 degrees
Barometric Pressure:1028.6 mbs
Air Temperature: 42.4 degrees
Water Temperature:50.4 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)
11/2919:00:007.98.017.621.43101028.642.450.4
11/2918:00:008.98.019.523.43101027.342.450.4
11/2917:00:008.28.019.525.43001027.042.150.4
11/2916:00:009.28.021.425.43101026.642.150.5
11/2915:00:009.28.023.429.23101026.542.150.5
11/2914:00:008.98.023.431.23001026.341.950.5
11/2913:00:009.87.025.431.23001025.442.450.5
11/2912:00:0010.29.025.433.13001024.343.050.5
11/2911:00:0010.88.023.431.23001023.343.350.5
11/2910:00:0010.28.023.429.23001022.243.032.0
11/2909:00:0010.58.023.427.32901021.243.550.4
11/2908:00:0011.28.021.427.32801020.444.150.4
11/2907:00:0011.29.023.431.22801019.744.650.4
11/2906:00:000.00.00.00.00001019.444.132.0
11/2905:00:0011.89.025.429.23001018.243.750.2
11/2904:00:000.00.025.431.22901017.145.032.0
11/2903:00:0011.89.025.433.12901016.645.050.4
11/2902:00:0010.810.025.431.22901016.044.850.4
11/2901:00:0011.58.027.335.12701015.645.950.4
11/2900:00:0012.19.025.433.12801015.045.750.4
11/2823:00:0013.49.027.337.02801014.545.750.4
11/2822:00:0012.89.025.433.12701013.145.550.5
11/2821:00:0012.80.025.431.22701012.145.350.5
11/2820:00:0012.58.029.235.12601011.544.250.5

 

000020996 ___0.021384
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