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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)05/30
11:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
11:00:00 (GMT) on 05/30
Sea Height:4.0 ft
Primary Swell Height: 1.9 ft
Primary Swell Period: 16.1 secs
Surf Height2.4 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)
05/3011:00:004.0 1.9 se16.1 secs2.0 se13.1 secs2.6 se 8.3secs2.4 -3.0 16.1
05/3010:00:004.1 2.3 se16.2 secs2.5 se8.4 secs0.8 se 20.0secs3.0 -3.7 16.2
05/3009:00:004.1 1.7 se16.3 secs2.7 se8.3 secs1.7 se 13.0secs2.2 -2.8 16.3
05/3008:00:004.6 2.8 se16.4 secs2.5 se13.3 secs1.1 se 20.0secs3.7 -4.7 16.4
05/3007:00:004.1 1.9 se16.3 secs1.9 se13.1 secs2.6 se 8.4secs2.5 -3.2 16.3
05/3006:00:004.0 2.3 se16.0 secs2.5 se8.3 secs1.2 se 11.6secs3.0 -3.7 16.0
05/3005:00:003.9 2.1 se16.2 secs2.3 se8.3 secs1.4 se 11.4secs2.7 -3.3 16.2
05/3004:00:004.3 2.4 se16.0 secs1.8 se11.4 secs2.3 se 8.3secs3.0 -3.8 16.0
05/3003:00:004.0 2.3 se16.2 secs1.9 se13.2 secs2.0 se 9.0secs3.0 -3.7 16.2
05/3002:00:004.3 2.3 se16.1 secs2.5 se9.0 secs0.6 se 20.0secs2.9 -3.7 16.1
05/3001:00:004.1 2.1 se14.7 secs2.6 se9.0 secs1.1 se 5.9secs2.5 -3.1 14.7
05/3000:00:003.8 2.2 se16.3 secs2.0 se13.1 secs2.1 se 9.1secs2.9 -3.6 16.3
05/2923:00:003.9 1.9 se15.6 secs2.4 se9.1 secs1.4 se 5.9secs2.4 -3.0 15.6
05/2922:00:004.0 2.1 se16.0 secs2.2 se9.1 secs0.5 se 20.0secs2.7 -3.4 16.0
05/2921:00:004.3 2.2 se16.2 secs1.8 se13.1 secs2.5 se 9.0secs2.8 -3.5 16.2
05/2920:00:005.2 2.6 se16.2 secs2.2 se13.1 secs3.1 se 9.0secs3.3 -4.2 16.2
05/2919:00:005.4 2.3 se16.0 secs3.4 se9.0 secs0.6 se 20.0secs3.0 -3.7 16.0
05/2918:00:005.3 2.2 se16.6 secs3.5 se9.1 secs2.0 se 12.8secs2.9 -3.6 16.6
05/2917:00:005.4 3.9 se9.1 secs1.7 se16.2 secs1.8 se 12.7secs2.9 -3.6 9.1
05/2916:00:004.9 2.2 se15.8 secs3.4 se9.1 secs1.6 se 5.9secs2.7 -3.4 15.8
05/2915:00:004.8 2.2 se16.4 secs3.0 se9.8 secs2.0 se 12.9secs2.9 -3.6 16.4
05/2914:00:005.0 2.6 se16.1 secs3.0 se8.4 secs0.8 se 20.0secs3.4 -4.2 16.1
05/2913:00:005.0 2.1 se16.0 secs3.5 se9.0 secs0.5 se 20.0secs2.7 -3.4 16.0
05/2912:00:005.1 2.2 se16.8 secs3.1 se9.2 secs2.0 se 12.8secs3.0 -3.7 16.8

 

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
11:00:00 (GMT) on 05/30
Combined Sea Height:5.6 ft
Dominant Period:8.0 secs
Wind Speed: 5.8 kts
Wind Gust: 7.8 kts
Wind Direction:300 degrees
Barometric Pressure:1015.8 mbs
Air Temperature: 32.0 degrees
Water Temperature:54.3 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)
05/3011:00:005.68.05.87.83001015.832.054.3
05/3010:00:005.68.05.87.83101016.032.054.3
05/3009:00:005.68.07.89.83001016.132.054.5
05/3008:00:005.98.09.811.73001016.232.054.3
05/3007:00:006.28.07.89.82801016.732.054.5
05/3006:00:005.69.07.89.82901016.832.054.5
05/3005:00:005.68.07.89.82901017.032.054.5
05/3004:00:005.68.09.811.73001016.732.054.5
05/3003:00:005.98.09.811.73001016.532.054.7
05/3002:00:005.68.07.89.83201016.432.054.9
05/3001:00:006.28.013.717.63301016.332.055.0
05/3000:00:005.99.013.715.63201016.432.055.0
05/2923:00:005.29.013.715.63201016.632.055.4
05/2922:00:005.69.013.715.63101017.132.055.4
05/2921:00:005.68.011.715.63001017.432.055.6
05/2920:00:006.28.09.811.73001017.532.055.4
05/2919:00:007.28.05.89.83001017.632.054.9
05/2918:00:007.98.07.89.83201017.432.054.7
05/2917:00:007.59.07.89.82901017.032.054.5
05/2916:00:007.99.09.811.72901017.032.054.3
05/2915:00:006.99.07.89.83201016.732.054.1
05/2914:00:006.99.07.811.73301016.032.054.1
05/2913:00:006.99.07.811.73201015.332.054.1
05/2912:00:006.98.07.89.83001014.332.054.1

 

000119250 ___0.610576
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