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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)06/30
08:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
08:00:00 (GMT) on 06/30
Sea Height:3.5 ft
Primary Swell Height: 1.5 ft
Primary Swell Period: 14.2 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)
06/3008:00:003.5 1.5 se14.2 secs0.8 se17.9 secs1.6 se 8.4secs1.7 -2.2 14.2
06/3007:00:003.5 1.5 se14.4 secs1.4 se9.8 secs0.8 se 17.6secs1.7 -2.2 14.4
06/3006:00:003.5 1.7 se14.3 secs1.6 se9.9 secs0.9 se 17.6secs2.0 -2.4 14.3
06/3005:00:003.2 1.5 se15.9 secs1.4 se9.0 secs1.9 se 5.6secs1.9 -2.4 15.9
06/3004:00:002.8 1.5 se14.2 secs1.3 se9.9 secs1.6 se 5.5secs1.7 -2.1 14.2
06/3003:00:002.8 1.8 se14.4 secs1.4 se11.2 secs1.0 se 7.8secs2.1 -2.6 14.4
06/3002:00:002.7 1.6 se16.3 secs1.6 se13.0 secs1.5 se 9.9secs2.1 -2.6 16.3
06/3001:00:002.5 1.4 se14.3 secs1.5 se11.2 secs0.7 se 17.7secs1.6 -2.1 14.3
06/3000:00:002.5 1.8 se14.2 secs1.4 se9.9 secs0.6 se 6.7secs2.0 -2.5 14.2
06/2923:00:002.6 1.9 se14.5 secs1.3 se11.2 secs0.9 se 7.9secs2.2 -2.7 14.5
06/2922:00:002.6 1.6 se14.3 secs1.4 se11.3 secs0.9 se 17.9secs1.8 -2.3 14.3
06/2921:00:002.7 1.8 se14.5 secs1.6 se11.1 secs1.0 se 7.8secs2.1 -2.6 14.5
06/2920:00:002.8 1.8 se16.2 secs1.9 se13.0 secs1.4 se 9.3secs2.4 -3.0 16.2
06/2919:00:002.5 1.6 se15.9 secs1.6 se12.9 secs1.3 se 9.2secs2.0 -2.5 15.9
06/2918:00:003.2 2.2 se16.1 secs2.1 se13.0 secs1.7 se 9.4secs2.9 -3.6 16.1
06/2917:00:002.8 1.6 se16.4 secs1.8 se12.6 secs1.5 se 9.3secs2.1 -2.6 16.4
06/2916:00:003.1 1.9 se16.3 secs2.0 se12.7 secs1.6 se 9.3secs2.5 -3.1 16.3
06/2915:00:003.1 2.2 se14.5 secs1.2 se17.6 secs1.8 se 11.3secs2.5 -3.2 14.5
06/2914:00:002.8 1.6 se16.4 secs1.8 se12.7 secs1.4 se 9.1secs2.1 -2.7 16.4
06/2913:00:002.9 2.1 se16.1 secs2.1 se13.0 secs0.6 se 20.0secs2.7 -3.4 16.1
06/2912:00:003.1 2.4 se14.6 secs1.7 se11.3 secs1.1 se 7.8secs2.8 -3.5 14.6
06/2911:00:003.1 2.0 se16.0 secs2.2 se12.7 secs1.4 se 9.1secs2.6 -3.2 16.0
06/2910:00:002.8 1.9 se14.6 secs1.5 se11.4 secs1.2 se 7.9secs2.3 -2.8 14.6
06/2909:00:003.2 2.5 se14.7 secs1.4 se11.4 secs1.1 se 7.8secs2.9 -3.6 14.7

 

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 46012
08:00:00 (GMT) on 06/30
Combined Sea Height:5.9 ft
Dominant Period:6.0 secs
Wind Speed: 15.6 kts
Wind Gust: 19.5 kts
Wind Direction:320 degrees
Barometric Pressure:1012.8 mbs
Air Temperature: 55.4 degrees
Water Temperature:57.9 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)
06/3008:00:005.96.015.619.53201012.855.457.9
06/3007:00:005.66.015.621.43301013.156.858.1
06/3006:00:005.26.013.715.63201013.457.258.1
06/3005:00:005.29.017.619.53201013.557.658.3
06/3004:00:005.26.013.715.63301013.657.758.3
06/3003:00:004.65.013.717.63201013.457.658.5
06/3002:00:004.915.017.621.43301013.357.457.7
06/3001:00:004.69.019.525.43201013.257.758.1
06/3000:00:004.39.017.621.43201013.458.658.3
06/2923:00:003.915.017.619.53201013.858.658.1
06/2922:00:003.915.013.717.63201014.458.357.6
06/2921:00:003.99.015.619.53301015.058.357.6
06/2920:00:003.610.015.619.53301015.358.557.4
06/2919:00:003.615.013.717.63301015.758.657.2
06/2918:00:003.315.011.715.63301015.858.557.2
06/2917:00:003.915.09.811.73301016.258.357.0
06/2916:00:003.610.09.811.73401016.258.157.2
06/2915:00:003.915.09.813.73301016.158.157.9
06/2914:00:003.615.07.87.83501015.757.758.3
06/2913:00:003.316.09.811.73401015.457.758.1
06/2912:00:003.615.07.811.73401015.258.158.1
06/2911:00:003.915.07.811.73301014.958.358.5
06/2910:00:003.615.09.811.73301015.058.358.8
06/2909:00:003.616.09.813.73201015.459.057.6

 

000106705 ___0.538337
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