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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)09/25
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 09/25
Sea Height:13.6 ft
Primary Swell Height: 10.3 ft
Primary Swell Period: 11.2 secs
Surf Height8.1 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)
09/2518:00:0013.6 10.3 se11.2 secs6.7 se7.8 secs1.7 se 14.3secs8.1 -10.4 11.2
09/2517:00:0011.7 8.5 se11.4 secs5.3 se7.8 secs2.0 se 14.7secs6.7 -8.7 11.4
09/2516:00:0011.6 8.6 se12.2 secs5.6 se9.1 secs2.5 se 6.0secs7.4 -9.5 12.2
09/2515:00:0011.8 8.5 se12.2 secs6.1 se9.2 secs2.9 se 5.9secs7.2 -9.3 12.2
09/2514:00:0010.9 8.6 se11.4 secs4.7 se7.7 secs1.3 se 14.9secs6.8 -8.8 11.4
09/2513:00:0012.6 9.4 se12.2 secs6.4 se9.1 secs2.8 se 5.9secs8.0 -10.3 12.2
09/2512:00:0011.8 8.2 se12.2 secs5.9 se8.5 secs0.0 se 0.0secs7.0 -9.0 12.2
09/2511:00:0012.1 8.9 se12.2 secs5.8 se9.2 secs3.1 se 6.0secs7.6 -9.8 12.2
09/2510:00:0011.4 7.6 se12.2 secs6.1 se9.1 secs3.2 se 5.9secs6.5 -8.4 12.2
09/2509:00:0013.0 9.9 se12.2 secs6.0 se9.1 secs3.1 se 5.9secs8.5 -10.9 12.2
09/2508:00:0012.2 9.4 se11.3 secs5.5 se7.8 secs0.0 se 0.0secs7.4 -9.5 11.3
09/2507:00:0011.9 9.0 se11.4 secs4.9 se7.8 secs0.0 se 0.0secs7.1 -9.2 11.4
09/2506:00:0010.8 7.4 se11.2 secs5.4 se7.8 secs2.5 se 15.0secs5.8 -7.5 11.2
09/2505:00:0010.3 6.6 se12.1 secs5.6 se8.4 secs0.6 se 16.7secs5.6 -7.1 12.1
09/2504:00:0012.1 8.7 se12.1 secs5.7 se8.4 secs0.0 se 0.0secs7.3 -9.4 12.1
09/2503:00:0010.6 7.0 se12.2 secs5.6 se9.1 secs3.1 se 5.9secs6.0 -7.7 12.2
09/2502:00:0010.5 7.2 se12.1 secs5.2 se8.4 secs0.6 se 16.7secs6.1 -7.9 12.1
09/2501:00:0010.2 7.5 se12.1 secs4.6 se8.4 secs0.4 se 16.7secs6.3 -8.1 12.1
09/2500:00:0011.2 8.5 se11.2 secs5.3 se7.7 secs1.3 se 14.3secs6.7 -8.6 11.2
09/2423:00:0011.2 8.5 se11.1 secs5.5 se7.8 secs1.2 se 14.3secs6.6 -8.5 11.1
09/2422:00:0010.8 8.2 se11.2 secs4.8 se7.7 secs1.4 se 14.3secs6.4 -8.2 11.2
09/2421:00:0011.2 8.9 se11.1 secs4.0 se7.8 secs1.7 se 14.3secs7.0 -9.0 11.1
09/2420:00:0010.9 7.3 se11.1 secs6.0 se7.7 secs1.1 se 14.3secs5.7 -7.4 11.1
09/2419:00:0011.3 7.9 se11.3 secs6.0 se7.8 secs1.1 se 14.3secs6.2 -8.0 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
18:50:00 (GMT) on 09/25
Combined Sea Height:16.4 ft
Dominant Period:11.0 secs
Wind Speed: 33.1 kts
Wind Gust: 41.0 kts
Wind Direction:040 degrees
Barometric Pressure:1009.1 mbs
Air Temperature: 61.5 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)
09/2518:50:0016.411.033.141.00401009.161.564.6
09/2517:50:0015.710.031.239.00401010.461.766.2
09/2516:50:0015.412.029.237.00401011.561.766.9
09/2515:50:0014.811.031.239.00401011.961.566.7
09/2514:50:0015.411.029.237.00401012.761.766.9
09/2513:50:0014.19.029.237.00401013.461.732.0
09/2512:50:0014.412.029.237.00401013.961.766.6
09/2511:50:0016.712.029.237.00401014.461.764.8
09/2510:50:0015.112.029.235.10401014.861.765.1
09/2509:50:0014.112.029.235.10401014.561.564.6
09/2508:50:0015.111.029.237.00401015.061.365.1
09/2507:50:0014.411.027.333.10301015.961.565.5
09/2506:50:0014.811.029.237.00401016.461.565.3
09/2505:50:0015.110.029.237.00401017.061.766.0
09/2504:50:0014.411.029.235.10401018.261.766.9
09/2503:50:0014.111.029.233.10401019.061.966.9
09/2502:50:0012.89.025.433.10401019.761.967.1
09/2501:50:0013.811.027.333.10401020.161.267.5
09/2500:50:0013.111.027.333.10301020.960.832.0
09/2423:50:0014.110.027.331.20401021.160.667.5
09/2422:50:0012.811.027.335.10401021.561.366.6
09/2421:50:0014.110.027.333.10401021.561.567.6
09/2420:50:0013.411.029.235.10401021.961.366.2
09/2419:50:0013.40.029.237.00301022.361.366.0

 

000022587 ___0.023249
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