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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)09/22
21:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
21:00:00 (GMT) on 09/22
Sea Height:4.7 ft
Primary Swell Height: 3.5 ft
Primary Swell Period: 6.7 secs
Surf Height1.7 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)
09/2221:00:004.7 3.5 se6.7 secs0.5 se11.2 secs0.0 se 0.0secs1.7 -2.1 6.7
09/2220:00:004.1 3.2 se6.6 secs0.5 se11.3 secs0.0 se 0.0secs1.5 -1.9 6.6
09/2219:00:004.0 3.1 se6.7 secs0.3 se13.4 secs0.0 se 0.0secs1.4 -1.9 6.7
09/2218:00:004.0 3.0 se6.7 secs0.5 se12.8 secs0.0 se 0.0secs1.4 -1.8 6.7
09/2217:00:004.1 3.1 se6.6 secs0.4 se13.5 secs0.0 se 0.0secs1.4 -1.9 6.6
09/2216:00:004.3 3.2 se6.6 secs0.5 se9.9 secs0.0 se 0.0secs1.5 -1.9 6.6
09/2215:00:004.1 3.2 se6.3 secs0.6 se9.8 secs0.2 se 14.3secs1.4 -1.8 6.3
09/2214:00:003.3 2.4 se6.6 secs0.6 se9.9 secs0.0 se 0.0secs1.1 -1.5 6.6
09/2213:00:003.6 2.7 se6.2 secs0.5 se12.7 secs0.0 se 0.0secs1.2 -1.5 6.2
09/2212:00:003.2 2.3 se6.2 secs0.6 se12.5 secs0.0 se 0.0secs1.0 -1.3 6.2
09/2211:00:003.3 2.3 se6.7 secs0.6 se12.5 secs0.1 se 16.7secs1.1 -1.4 6.7
09/2210:00:003.6 2.6 se6.3 secs0.8 se9.9 secs0.0 se 0.0secs1.1 -1.5 6.3
09/2209:00:003.3 2.2 se7.1 secs0.5 se11.3 secs0.1 se 14.3secs1.1 -1.4 7.1
09/2208:00:003.3 2.4 se6.3 secs0.5 se9.4 secs0.0 se 0.0secs1.1 -1.4 6.3
09/2207:00:003.8 2.9 se6.2 secs0.7 se10.0 secs0.0 se 0.0secs1.3 -1.7 6.2
09/2206:00:003.6 2.7 se6.2 secs0.7 se9.9 secs0.0 se 0.0secs1.2 -1.5 6.2
09/2205:00:004.3 3.1 se6.2 secs1.1 se9.9 secs0.0 se 0.0secs1.4 -1.8 6.2
09/2204:00:004.7 3.8 se6.3 secs0.8 se9.8 secs0.0 se 0.0secs1.7 -2.1 6.3
09/2203:00:004.8 3.8 se6.6 secs0.4 se10.0 secs0.0 se 0.0secs1.8 -2.3 6.6
09/2202:00:004.6 3.6 se6.3 secs0.9 se9.8 secs0.0 se 0.0secs1.6 -2.0 6.3
09/2201:00:004.3 3.3 se6.2 secs0.9 se9.9 secs0.0 se 0.0secs1.4 -1.8 6.2
09/2200:00:004.1 3.2 se6.2 secs0.8 se9.9 secs0.0 se 0.0secs1.4 -1.8 6.2
09/2123:00:003.8 3.0 se6.2 secs0.5 se10.0 secs0.0 se 0.0secs1.3 -1.7 6.2
09/2122:00:003.3 2.4 se5.9 secs0.9 se8.9 secs0.2 se 12.5secs1.0 -1.3 5.9

 

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
21:50:00 (GMT) on 09/22
Combined Sea Height:7.9 ft
Dominant Period:7.0 secs
Wind Speed: 27.3 kts
Wind Gust: 33.1 kts
Wind Direction:050 degrees
Barometric Pressure:1024.9 mbs
Air Temperature: 62.4 degrees
Water Temperature:70.2 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)
09/2221:50:007.97.027.333.10501024.962.470.2
09/2220:50:007.97.025.431.20501024.362.668.4
09/2219:50:007.27.023.431.20501024.162.465.8
09/2218:50:006.90.023.429.20501023.761.964.8
09/2217:50:007.56.021.425.40501024.061.964.4
09/2216:50:007.26.021.425.40501024.062.265.3
09/2215:50:006.67.021.425.40601023.861.565.8
09/2214:50:006.66.021.425.40501023.861.966.2
09/2213:50:006.67.021.425.40601023.262.266.0
09/2212:50:006.27.021.425.40601022.862.166.2
09/2211:50:005.96.021.425.40501022.463.166.4
09/2210:50:005.67.021.425.40501021.363.566.6
09/2209:50:006.26.021.425.40401021.063.066.2
09/2208:50:005.97.021.423.40501020.562.265.1
09/2207:50:006.26.019.525.40501019.962.832.0
09/2206:50:006.26.021.425.40501019.962.832.0
09/2205:50:006.97.021.425.40401019.763.369.8
09/2204:50:007.56.019.523.40501019.763.069.6
09/2203:50:006.96.019.525.40501019.862.668.7
09/2202:50:007.26.021.425.40501019.862.168.2
09/2201:50:006.96.021.425.40401019.662.168.5
09/2200:50:006.96.019.525.40401019.462.468.2
09/2123:50:006.66.023.427.30401018.462.267.6
09/2122:50:006.26.023.427.30301017.662.466.4

 

000022557 ___0.027903
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