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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)05/31
00:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
00:00:00 (GMT) on 05/31
Sea Height:3.5 ft
Primary Swell Height: 1.8 ft
Primary Swell Period: 16.2 secs
Surf Height2.3 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)
05/3100:00:003.5 1.8 se16.2 secs1.9 se13.0 secs2.2 se 8.3secs2.3 -2.9 16.2
05/3023:00:003.6 2.1 se16.8 secs1.8 se13.1 secs1.1 se 20.0secs2.8 -3.5 16.8
05/3022:00:003.5 2.1 se16.5 secs2.1 se13.0 secs0.9 se 20.0secs2.7 -3.4 16.5
05/3021:00:003.7 2.4 se14.4 secs1.3 se17.8 secs1.9 se 8.3secs2.7 -3.4 14.4
05/3020:00:004.2 2.0 se16.3 secs2.0 se13.1 secs2.9 se 8.4secs2.6 -3.3 16.3
05/3019:00:004.0 2.0 se16.4 secs1.8 se13.4 secs2.6 se 8.4secs2.7 -3.3 16.4
05/3018:00:004.5 2.5 se16.8 secs2.2 se13.1 secs1.3 se 20.0secs3.4 -4.2 16.8
05/3017:00:004.0 2.5 se16.0 secs2.1 se8.4 secs1.3 se 11.6secs3.2 -4.0 16.0
05/3016:00:004.1 2.3 se16.0 secs2.3 se8.4 secs0.6 se 20.0secs2.9 -3.6 16.0
05/3015:00:004.5 2.1 se16.5 secs2.0 se13.0 secs2.9 se 8.4secs2.8 -3.5 16.5
05/3014:00:003.8 2.0 se16.2 secs2.0 se13.1 secs2.2 se 8.9secs2.6 -3.2 16.2
05/3013:00:004.7 2.4 se16.1 secs2.2 se13.1 secs2.8 se 9.0secs3.1 -3.9 16.1
05/3012:00:004.0 2.1 se16.5 secs1.7 se13.1 secs2.5 se 8.4secs2.8 -3.4 16.5
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

 

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
00:00:00 (GMT) on 05/31
Combined Sea Height:4.6 ft
Dominant Period:8.0 secs
Wind Speed: 7.8 kts
Wind Gust: 9.8 kts
Wind Direction:310 degrees
Barometric Pressure:1015.1 mbs
Air Temperature: 32.0 degrees
Water Temperature:56.7 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)
05/3100:00:004.68.07.89.83101015.132.056.7
05/3023:00:004.68.03.95.83101015.632.056.1
05/3022:00:004.98.03.93.93401016.032.056.3
05/3021:00:004.68.05.87.83301016.332.055.8
05/3020:00:004.98.07.89.83401016.632.055.6
05/3019:00:005.98.05.87.83101017.032.055.4
05/3018:00:005.68.03.95.82401016.932.055.0
05/3017:00:005.98.07.89.81601016.632.054.9
05/3016:00:005.68.05.89.81601016.532.054.7
05/3015:00:005.68.03.95.82101016.432.054.7
05/3014:00:006.28.03.95.82401016.132.054.5
05/3013:00:005.28.01.93.93101015.932.054.5
05/3012:00:006.29.05.87.83001015.632.054.3
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

 

000119283 ___0.240065
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