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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)06/23
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 06/23
Sea Height:1.9 ft
Primary Swell Height: 1.5 ft
Primary Swell Period: 5.6 secs
Surf Height0.6 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)
06/2319:00:001.9 1.5 se5.6 secs0.5 se11.3 secs0.0 se 0.0secs0.6 -0.7 5.6
06/2318:00:001.9 1.6 se5.6 secs0.3 se11.3 secs0.0 se 0.0secs0.6 -0.8 5.6
06/2317:00:002.2 1.9 se5.5 secs0.4 se11.2 secs0.0 se 0.0secs0.7 -0.9 5.5
06/2316:00:002.3 1.9 se5.5 secs0.5 se11.3 secs0.0 se 0.0secs0.7 -1.0 5.5
06/2315:00:002.2 1.8 se5.5 secs0.4 se11.2 secs0.0 se 0.0secs0.7 -0.9 5.5
06/2314:00:002.1 1.6 se5.8 secs0.5 se10.2 secs0.0 se 0.0secs0.6 -0.8 5.8
06/2313:00:001.8 1.5 se5.6 secs0.5 se10.2 secs0.0 se 0.0secs0.6 -0.8 5.6
06/2312:00:001.8 1.3 se5.9 secs0.5 se12.2 secs0.4 se 9.1secs0.5 -0.7 5.9
06/2311:00:001.9 1.5 se5.5 secs0.6 se11.4 secs0.0 se 0.0secs0.6 -0.8 5.5
06/2310:00:002.0 1.6 se5.5 secs0.5 se11.3 secs0.0 se 0.0secs0.6 -0.8 5.5
06/2309:00:002.0 1.7 se5.5 secs0.4 se11.4 secs0.0 se 0.0secs0.7 -0.8 5.5
06/2308:00:002.0 1.7 se5.5 secs0.5 se12.1 secs0.3 se 9.0secs0.7 -0.9 5.5
06/2307:00:001.8 1.4 se5.5 secs0.5 se11.3 secs0.0 se 0.0secs0.5 -0.7 5.5
06/2306:00:001.7 1.3 se5.5 secs0.4 se11.1 secs0.0 se 0.0secs0.5 -0.6 5.5
06/2305:00:001.5 1.0 se6.3 secs0.5 se11.2 secs0.1 se 14.3secs0.4 -0.6 6.3
06/2304:00:001.4 0.8 se6.7 secs0.4 se11.3 secs0.1 se 14.3secs0.4 -0.5 6.7
06/2303:00:001.3 0.9 se6.6 secs0.4 se11.3 secs0.0 se 0.0secs0.4 -0.6 6.6
06/2302:00:001.2 0.8 se6.7 secs0.4 se11.2 secs0.1 se 14.3secs0.4 -0.5 6.7
06/2301:00:001.3 0.9 se6.7 secs0.5 se12.0 secs0.0 se 0.0secs0.4 -0.5 6.7
06/2300:00:001.4 0.9 se7.1 secs0.5 se12.1 secs0.0 se 0.0secs0.4 -0.6 7.1
06/2223:00:001.3 0.8 se7.1 secs0.4 se12.4 secs0.0 se 0.0secs0.4 -0.5 7.1
06/2222:00:001.3 0.5 se12.2 secs0.8 se7.1 secs0.0 se 0.0secs0.4 -0.5 12.2
06/2221:00:001.3 0.5 se12.2 secs0.8 se7.1 secs0.0 se 0.0secs0.4 -0.6 12.2
06/2220:00:001.3 0.9 se7.2 secs0.4 se12.5 secs0.0 se 0.0secs0.4 -0.6 7.2

 

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
19:50:00 (GMT) on 06/23
Combined Sea Height:3.6 ft
Dominant Period:5.0 secs
Wind Speed: 7.8 kts
Wind Gust: 7.8 kts
Wind Direction:180 degrees
Barometric Pressure:1009.2 mbs
Air Temperature: 63.5 degrees
Water Temperature:52.7 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)
06/2319:50:003.65.07.87.81801009.263.552.7
06/2318:50:003.65.05.87.81701009.863.952.2
06/2317:50:004.35.05.87.81701010.163.351.8
06/2316:50:003.96.07.89.81901011.368.451.4
06/2315:50:003.96.03.95.81801012.262.251.3
06/2314:50:003.66.07.87.81701011.863.351.1
06/2313:50:003.36.09.89.81601012.364.653.4
06/2312:50:003.66.011.711.71601012.865.357.4
06/2311:50:003.66.09.811.71501013.465.357.6
06/2310:50:003.96.011.711.71501013.664.957.0
06/2309:50:003.96.011.713.71501013.664.456.7
06/2308:50:003.65.09.811.71601014.264.055.9
06/2307:50:003.65.09.89.81601014.963.153.1
06/2306:50:003.65.09.811.71601015.362.650.9
06/2305:50:003.66.09.89.81601015.862.850.9
06/2304:50:003.06.011.713.71601016.263.550.9
06/2303:50:002.64.011.711.71601016.964.952.7
06/2302:50:002.66.09.89.81401017.366.057.4
06/2301:50:002.36.011.711.71401017.566.661.3
06/2300:50:002.37.011.711.71401017.667.161.7
06/2223:50:002.07.09.89.81301017.866.463.0
06/2222:50:002.37.05.87.81301018.365.763.7
06/2221:50:002.37.03.95.81501018.765.762.6
06/2220:50:002.37.05.85.81401018.765.861.5

 

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