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Buoy 46012 Half Moon Bay
Longitude = 122.70W Latitude = 37.45N
FAQs

 

Frequency Analysis - Current Hour
(Swell height in each period/frequency band)
Measurement Date/Time (GMT)05/08
03:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
03:00:00 (GMT) on 05/08
Sea Height:2.3 ft
Primary Swell Height: 1.6 ft
Primary Swell Period: 14.2 secs
Surf Height1.8 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)
05/0803:00:002.3 1.6 se14.2 secs0.9 se18.0 secs1.1 se 10.3secs1.8 -2.3 14.2
05/0802:00:002.4 1.8 se14.2 secs1.0 se18.2 secs1.0 se 10.4secs2.0 -2.5 14.2
05/0801:00:002.4 1.6 se14.2 secs0.9 se18.0 secs1.3 se 10.3secs1.8 -2.2 14.2
05/0800:00:002.4 1.7 se13.9 secs1.0 se18.7 secs1.1 se 10.4secs1.9 -2.3 13.9
05/0703:00:002.5 1.5 se13.9 secs1.0 se10.3 secs1.0 se 7.1secs1.7 -2.1 13.9
05/0702:00:002.6 1.8 se13.9 secs0.7 se17.6 secs0.9 se 10.4secs2.1 -2.6 13.9
05/0701:00:002.3 1.4 se14.2 secs0.7 se17.9 secs0.7 se 10.4secs1.6 -2.0 14.2
05/0700:00:002.5 1.6 se14.0 secs0.5 se17.3 secs0.8 se 10.4secs1.8 -2.2 14.0
05/0621:00:002.7 1.6 se14.1 secs0.7 se17.4 secs0.9 se 10.3secs1.8 -2.2 14.1
05/0606:00:004.3 3.0 se7.2 secs1.5 se13.0 secs0.0 se 0.0secs1.7 -2.1 7.2
05/0605:00:004.7 3.5 se7.2 secs1.3 se12.8 secs0.0 se 0.0secs2.0 -2.5 7.2
05/0604:00:004.7 3.4 se7.1 secs1.4 se13.0 secs0.0 se 0.0secs2.0 -2.4 7.1
05/0603:00:004.7 3.5 se7.1 secs1.3 se12.9 secs0.0 se 0.0secs2.0 -2.5 7.1
05/0518:00:004.9 3.5 se7.1 secs1.9 se13.0 secs0.2 se 16.7secs2.0 -2.5 7.1
05/0517:00:004.9 3.6 se7.1 secs1.6 se13.8 secs0.0 se 0.0secs2.0 -2.5 7.1
05/0516:00:005.5 3.9 se6.7 secs1.5 se13.0 secs0.9 se 10.0secs2.1 -2.6 6.7
05/0515:00:005.2 3.7 se7.1 secs1.5 se14.0 secs0.0 se 0.0secs2.1 -2.6 7.1
05/0513:00:004.7 1.7 se14.4 secs3.4 se6.6 secs0.9 se 11.4secs2.0 -2.5 14.4
05/0512:00:005.2 1.9 se14.2 secs3.6 se6.3 secs1.0 se 10.0secs2.2 -2.7 14.2
05/0511:00:004.6 2.0 se13.7 secs3.3 se6.3 secs0.8 se 9.7secs2.2 -2.7 13.7
05/0510:00:004.4 1.5 se13.9 secs2.7 se6.7 secs1.0 se 9.9secs1.7 -2.1 13.9
05/0509:00:004.2 1.6 se14.1 secs2.8 se6.3 secs1.0 se 9.9secs1.8 -2.3 14.1
05/0508:00:003.4 2.0 se14.3 secs1.3 se9.1 secs2.0 se 5.5secs2.3 -2.9 14.3
05/0505:00:002.7 1.8 se14.3 secs1.3 se11.2 secs1.1 se 7.8secs2.0 -2.5 14.3

 

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 46012
02:00:00 (GMT) on 05/08
Combined Sea Height:3.0 ft
Dominant Period:12.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:290 degrees
Barometric Pressure:1017.4 mbs
Air Temperature: 53.2 degrees
Water Temperature:55.0 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)
05/0802:00:003.012.03.95.82901017.453.255.0
05/0801:00:003.013.03.97.82901017.252.954.9
05/0800:00:003.012.03.95.82901017.352.954.9
05/0723:00:003.013.03.95.82501017.153.454.7
05/0702:00:003.912.05.87.81101012.554.952.7
05/0701:00:003.612.07.89.81201012.355.452.7
05/0700:00:003.613.07.89.81201012.255.052.9
05/0623:00:003.913.09.811.71701011.855.052.9
05/0620:00:004.36.011.713.71601012.254.552.9
05/0605:00:006.97.021.427.31601008.554.051.8
05/0604:00:007.57.021.427.31501007.854.351.4
05/0603:00:007.57.023.429.21601007.154.351.6
05/0602:00:007.57.023.427.31601006.954.151.6
05/0517:00:007.57.021.425.41701005.453.451.6
05/0516:00:007.97.021.425.41701004.953.651.8
05/0515:00:008.57.021.425.41701004.453.651.8
05/0514:00:008.27.023.427.31701003.853.651.8
05/0513:00:000.00.023.427.31701003.153.252.0
05/0512:00:007.56.023.429.21601002.553.251.6
05/0511:00:007.97.021.427.31601002.453.251.6
05/0510:00:007.27.021.427.31601002.753.251.6
05/0509:00:006.97.021.425.41601002.653.251.6
05/0508:00:006.96.019.523.41701003.553.251.8
05/0507:00:006.25.023.429.21601002.453.151.6

 

000098692 ___0.226485
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