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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)08/23
03:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 44008
03:00:00 (GMT) on 08/23
Sea Height:1.4 ft
Primary Swell Height: 0.8 ft
Primary Swell Period: 12.8 secs
Surf Height0.8 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)
08/2303:00:001.4 0.8 se12.8 secs0.7 se8.3 secs0.0 se 0.0secs0.8 -1.0 12.8
08/2302:00:001.8 1.3 se13.9 secs0.8 se8.3 secs0.0 se 0.0secs1.3 -1.7 13.9
08/2301:00:001.5 0.9 se14.1 secs0.8 se8.3 secs0.3 se 17.2secs0.9 -1.2 14.1
08/2300:00:001.7 1.1 se13.9 secs0.8 se8.3 secs0.0 se 0.0secs1.0 -1.3 13.9
08/2223:00:001.7 1.0 se13.9 secs0.8 se9.0 secs0.8 se 5.5secs0.9 -1.2 13.9
08/2222:00:001.7 1.0 se14.1 secs0.8 se8.3 secs0.3 se 17.6secs1.0 -1.2 14.1
08/2221:00:001.8 0.9 se13.8 secs1.0 se8.3 secs0.0 se 0.0secs0.9 -1.1 13.8
08/2220:00:001.9 1.1 se13.8 secs0.9 se8.3 secs0.0 se 0.0secs1.1 -1.4 13.8
08/2219:00:001.9 1.1 se13.9 secs0.9 se8.3 secs0.0 se 0.0secs1.1 -1.4 13.9
08/2218:00:002.2 1.3 se13.8 secs1.1 se8.3 secs0.0 se 0.0secs1.2 -1.6 13.8
08/2217:00:002.0 1.2 se13.7 secs0.9 se8.4 secs0.0 se 0.0secs1.1 -1.4 13.7
08/2216:00:001.9 0.9 se14.0 secs0.9 se8.4 secs0.0 se 0.0secs0.9 -1.1 14.0
08/2215:00:002.1 1.4 se13.1 secs1.2 se5.9 secs0.6 se 10.0secs1.3 -1.7 13.1
08/2214:00:002.1 1.2 se14.0 secs0.9 se8.4 secs0.3 se 17.7secs1.1 -1.5 14.0
08/2213:00:002.2 1.3 se14.0 secs0.8 se9.1 secs1.2 se 5.6secs1.3 -1.7 14.0
08/2212:00:002.2 1.0 se14.3 secs0.9 se9.0 secs1.3 se 5.9secs1.0 -1.3 14.3
08/2211:00:002.0 0.9 se14.2 secs0.9 se8.4 secs0.0 se 0.0secs0.9 -1.2 14.2
08/2210:00:002.3 0.9 se14.2 secs1.5 se6.2 secs0.7 se 9.9secs0.9 -1.2 14.2
08/2209:00:002.6 0.9 se14.1 secs1.8 se6.2 secs0.6 se 9.8secs0.9 -1.2 14.1
08/2208:00:002.2 0.7 se13.1 secs1.5 se5.9 secs0.7 se 9.1secs0.7 -0.9 13.1
08/2207:00:002.5 1.1 se13.3 secs1.6 se6.2 secs0.7 se 9.8secs1.0 -1.3 13.3
08/2206:00:002.8 1.8 se6.6 secs0.9 se13.1 secs0.6 se 9.9secs0.8 -1.1 6.6
08/2205:00:002.6 1.8 se6.7 secs0.6 se13.0 secs0.5 se 9.8secs0.8 -1.1 6.7
08/2204:00:002.8 1.9 se6.7 secs0.9 se13.9 secs0.7 se 9.8secs0.9 -1.1 6.7

 

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
03:50:00 (GMT) on 08/23
Combined Sea Height:2.6 ft
Dominant Period:13.0 secs
Wind Speed: 7.8 kts
Wind Gust: 9.8 kts
Wind Direction:040 degrees
Barometric Pressure:1013.5 mbs
Air Temperature: 71.6 degrees
Water Temperature:75.2 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)
08/2303:50:002.613.07.89.80401013.571.675.2
08/2302:50:002.314.05.87.80301014.170.775.0
08/2301:50:002.314.05.85.83501014.769.473.8
08/2300:50:002.613.03.95.83501015.069.373.2
08/2223:50:003.014.00.00.00001015.270.273.0
08/2222:50:003.013.03.95.83301014.270.973.0
08/2221:50:003.014.03.95.83001014.970.973.2
08/2220:50:003.313.07.89.82901015.270.573.4
08/2219:50:003.614.07.89.82801015.570.772.7
08/2218:50:003.30.05.87.82801015.670.772.3
08/2217:50:003.35.05.85.82601015.469.671.6
08/2216:50:003.65.03.95.82901015.668.571.4
08/2215:50:003.66.05.85.82901015.667.371.4
08/2214:50:003.313.07.89.83101015.366.971.6
08/2213:50:003.04.07.89.83001015.067.571.6
08/2212:50:003.36.07.89.82901014.668.471.8
08/2211:50:003.66.05.87.83201014.572.071.8
08/2210:50:003.96.03.93.93001014.172.972.0
08/2209:50:003.96.01.93.90701013.572.572.0
08/2208:50:004.96.05.87.80801013.372.972.0
08/2207:50:004.90.07.89.80701013.372.071.2
08/2206:50:004.96.09.813.70601013.371.271.6
08/2205:50:004.97.011.715.60601013.271.671.2
08/2204:50:004.97.013.715.60701013.671.668.7

 

000022279 ___0.032967
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