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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)08/12
20:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
20:00:00 (GMT) on 08/12
Sea Height:1.7 ft
Primary Swell Height: 1.3 ft
Primary Swell Period: 5.6 secs
Surf Height0.5 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)
08/1220:00:001.7 1.3 se5.6 secs0.5 se12.5 secs0.3 se 9.0secs0.5 -0.7 5.6
08/1219:00:001.6 0.7 se12.6 secs1.1 se6.2 secs0.0 se 0.0secs0.6 -0.8 12.6
08/1218:00:001.5 0.6 se12.9 secs1.1 se6.2 secs0.0 se 0.0secs0.5 -0.7 12.9
08/1217:00:001.3 0.5 se13.9 secs0.8 se6.3 secs0.3 se 10.0secs0.5 -0.6 13.9
08/1216:00:001.4 0.6 se13.9 secs1.0 se5.9 secs0.3 se 10.1secs0.6 -0.7 13.9
08/1215:00:001.4 0.5 se12.8 secs1.1 se5.6 secs0.3 se 9.1secs0.5 -0.6 12.8
08/1214:00:001.6 1.3 se5.6 secs0.4 se12.9 secs0.3 se 9.1secs0.5 -0.7 5.6
08/1213:00:001.6 1.2 se5.6 secs0.5 se12.8 secs0.2 se 8.9secs0.5 -0.6 5.6
08/1212:00:001.7 1.4 se5.6 secs0.4 se12.8 secs0.3 se 8.9secs0.6 -0.7 5.6
08/1211:00:001.7 1.4 se5.9 secs0.4 se12.7 secs0.2 se 9.1secs0.6 -0.8 5.9
08/1210:00:001.8 1.4 se5.5 secs0.6 se12.7 secs0.2 se 9.1secs0.6 -0.7 5.5
08/1209:00:001.7 1.3 se5.5 secs0.4 se12.4 secs0.3 se 9.0secs0.5 -0.7 5.5
08/1208:00:001.7 1.3 se6.2 secs0.3 se13.1 secs0.2 se 9.5secs0.6 -0.7 6.2
08/1207:00:001.9 1.5 se6.2 secs0.4 se12.8 secs0.0 se 0.0secs0.6 -0.8 6.2
08/1206:00:001.8 1.4 se6.3 secs0.3 se12.9 secs0.2 se 9.8secs0.6 -0.8 6.3
08/1205:00:001.5 1.2 se5.9 secs0.4 se13.2 secs0.2 se 9.9secs0.5 -0.6 5.9
08/1204:00:001.6 1.2 se5.9 secs0.5 se13.2 secs0.3 se 9.8secs0.5 -0.6 5.9
08/1203:00:001.5 1.3 se5.8 secs0.4 se12.8 secs0.3 se 9.1secs0.5 -0.7 5.8
08/1202:00:001.5 1.3 se5.6 secs0.4 se12.8 secs0.3 se 9.0secs0.5 -0.6 5.6
08/1201:00:001.3 1.0 se5.9 secs0.4 se12.9 secs0.3 se 9.0secs0.4 -0.6 5.9
08/1200:00:001.4 1.2 se5.6 secs0.3 se10.0 secs0.0 se 0.0secs0.5 -0.6 5.6
08/1123:00:001.4 1.1 se5.9 secs0.4 se8.9 secs0.2 se 12.0secs0.5 -0.6 5.9
08/1122:00:001.3 1.0 se5.9 secs0.3 se12.5 secs0.3 se 9.1secs0.4 -0.6 5.9
08/1121:00:001.4 1.1 se5.9 secs0.4 se12.9 secs0.3 se 9.1secs0.5 -0.6 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
20:50:00 (GMT) on 08/12
Combined Sea Height:3.3 ft
Dominant Period:6.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:300 degrees
Barometric Pressure:1007.9 mbs
Air Temperature: 74.5 degrees
Water Temperature:78.1 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)
08/1220:50:003.36.03.95.83001007.974.578.1
08/1219:50:003.00.05.85.82901008.075.478.3
08/1218:50:002.66.00.00.00001009.175.977.9
08/1217:50:002.66.07.89.82201008.975.077.7
08/1216:50:002.36.09.811.72101009.274.577.5
08/1215:50:002.66.09.811.71801009.075.077.2
08/1214:50:002.65.011.713.71801008.975.277.0
08/1213:50:002.66.05.87.81801008.575.077.0
08/1212:50:003.06.03.95.81901008.775.677.0
08/1211:50:003.06.07.89.82101008.675.777.4
08/1210:50:003.36.05.87.82301008.476.577.5
08/1209:50:003.06.03.95.82101008.175.777.4
08/1208:50:002.66.05.87.82701007.975.677.4
08/1207:50:003.06.05.87.82801008.173.877.0
08/1206:50:003.36.07.89.83201008.273.677.0
08/1205:50:003.06.09.811.73201008.574.177.2
08/1204:50:003.36.09.811.73001009.075.277.7
08/1203:50:003.36.013.717.63101008.675.977.9
08/1202:50:003.36.015.619.53101008.576.377.9
08/1201:50:003.36.015.619.53001009.076.178.1
08/1200:50:003.36.013.717.62901009.076.378.3
08/1123:50:003.06.015.619.52901008.876.378.3
08/1122:50:002.65.013.715.62901008.875.678.3
08/1121:50:002.60.013.715.62901008.432.078.1

 

000022171 ___0.026979
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