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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)10/26
07:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
07:00:00 (GMT) on 10/26
Sea Height:11.4 ft
Primary Swell Height: 9.7 ft
Primary Swell Period: 14.2 secs
Surf Height10.9 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)
10/2607:00:0011.4 9.7 se14.2 secs5.2 se10.5 secs1.9 se 7.2secs10.9 -13.7 14.2
10/2606:00:0010.7 8.4 se14.4 secs6.8 se11.4 secs2.8 se 7.8secs9.7 -12.1 14.4
10/2605:00:0010.0 7.4 se14.2 secs5.5 se10.4 secs2.5 se 7.2secs8.4 -10.5 14.2
10/2604:00:0010.3 7.4 se14.0 secs5.7 se10.2 secs2.5 se 17.3secs8.3 -10.3 14.0
10/2603:00:0010.1 8.6 se12.5 secs4.8 se15.7 secs3.3 se 9.2secs8.6 -10.7 12.5
10/2602:00:0011.2 9.1 se12.6 secs4.9 se9.3 secs2.2 se 17.4secs9.2 -11.5 12.6
10/2601:00:0011.2 9.3 se12.6 secs4.6 se9.3 secs2.4 se 17.5secs9.4 -11.7 12.6
10/2600:00:009.9 7.4 se14.1 secs5.2 se10.4 secs2.9 se 17.2secs8.3 -10.4 14.1
10/2523:00:0011.9 10.6 se12.5 secs2.4 se17.3 secs3.4 se 9.2secs10.6 -13.3 12.5
10/2522:00:009.3 7.4 se12.5 secs3.8 se15.5 secs4.2 se 9.2secs7.4 -9.2 12.5
10/2521:00:009.3 7.6 se12.3 secs3.4 se15.8 secs3.8 se 9.2secs7.5 -9.3 12.3
10/2520:00:009.6 7.9 se12.5 secs4.6 se9.3 secs1.1 se 16.7secs7.9 -9.9 12.5
10/2519:00:009.1 7.0 se12.2 secs2.8 se15.6 secs3.4 se 8.4secs6.9 -8.6 12.2
10/2518:00:007.9 5.8 se12.2 secs2.5 se15.8 secs3.9 se 9.2secs5.7 -7.1 12.2
10/2517:00:007.4 5.4 se12.5 secs3.7 se9.3 secs1.1 se 16.7secs5.4 -6.7 12.5
10/2516:00:007.7 5.9 se11.1 secs3.0 se14.1 secs2.5 se 7.7secs5.2 -6.5 11.1
10/2515:00:007.1 4.8 se11.1 secs1.9 se15.2 secs3.3 se 7.8secs4.3 -5.4 11.1
10/2514:00:006.3 3.3 se12.5 secs3.9 se9.1 secs2.1 se 15.7secs3.3 -4.1 12.5
10/2513:00:006.7 4.4 se12.4 secs3.1 se8.4 secs1.1 se 16.7secs4.4 -5.5 12.4
10/2512:00:006.4 3.8 se12.4 secs2.9 se9.1 secs1.0 se 16.7secs3.8 -4.7 12.4
10/2511:00:005.7 3.2 se12.3 secs3.4 se5.9 secs1.7 se 9.2secs3.2 -4.0 12.3
10/2510:00:004.5 2.2 se14.2 secs1.8 se10.2 secs2.8 se 5.9secs2.5 -3.1 14.2
10/2509:00:004.4 2.6 se12.5 secs2.7 se5.5 secs0.8 se 16.7secs2.6 -3.2 12.5
10/2508:00:003.8 2.8 se12.4 secs1.3 se9.3 secs1.8 se 5.5secs2.8 -3.5 12.4

 

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
07:00:00 (GMT) on 10/26
Combined Sea Height:11.5 ft
Dominant Period:15.0 secs
Wind Speed: 7.8 kts
Wind Gust: 9.8 kts
Wind Direction:330 degrees
Barometric Pressure:1020.7 mbs
Air Temperature: 62.2 degrees
Water Temperature:62.8 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)
10/2607:00:0011.515.07.89.83301020.762.262.8
10/2606:00:0012.514.07.811.73201020.662.463.0
10/2605:00:0012.115.07.811.73201020.262.863.1
10/2604:00:0011.512.07.89.83201019.863.063.3
10/2603:00:0012.113.03.97.82801019.263.163.0
10/2602:00:0011.511.05.89.83001018.963.562.8
10/2601:00:0013.113.05.87.82901018.263.763.0
10/2600:00:0013.113.09.811.72801017.964.263.1
10/2523:00:0011.513.07.89.82601018.064.263.1
10/2522:00:0013.111.07.89.82001017.864.063.1
10/2521:00:0011.212.09.811.72001017.764.263.1
10/2520:00:0011.211.09.89.81801017.863.963.1
10/2519:00:0011.512.07.89.81901017.864.063.0
10/2518:00:0011.211.09.811.71901017.464.263.0
10/2517:00:009.811.011.713.72101016.864.662.8
10/2516:00:009.511.09.811.72101016.064.062.8
10/2515:00:009.811.013.715.61901014.864.062.8
10/2514:00:009.510.013.715.61901013.763.362.8
10/2513:00:008.99.015.617.61801013.163.062.6
10/2512:00:008.912.017.621.42001012.562.262.8
10/2511:00:008.911.015.619.52201012.461.363.0
10/2510:00:008.26.013.717.62201012.161.263.0
10/2509:00:006.96.021.427.31601011.463.563.0
10/2508:00:006.96.023.427.31601011.763.362.8

 

000101255 ___0.229112
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