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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)03/06
16:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
16:00:00 (GMT) on 03/06
Sea Height:3.9 ft
Primary Swell Height: 3.3 ft
Primary Swell Period: 14.9 secs
Surf Height4.0 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)
03/0616:00:003.9 3.3 se14.9 secs2.2 se11.2 secs0.5 se 6.2secs4.0 -4.9 14.9
03/0615:00:003.6 3.2 se14.8 secs1.9 se11.4 secs0.5 se 7.7secs3.7 -4.7 14.8
03/0614:00:004.2 3.5 se15.9 secs2.9 se12.9 secs0.9 se 9.4secs4.5 -5.6 15.9
03/0613:00:004.3 3.7 se15.0 secs2.2 se11.2 secs0.5 se 7.7secs4.5 -5.6 15.0
03/0612:00:004.4 4.1 se14.9 secs1.8 se11.3 secs0.5 se 6.7secs4.9 -6.1 14.9
03/0611:00:003.4 2.9 se14.7 secs1.8 se11.3 secs0.2 se 20.0secs3.4 -4.2 14.7
03/0610:00:003.9 3.2 se15.6 secs2.1 se11.2 secs0.5 se 7.6secs4.0 -4.9 15.6
03/0609:00:004.7 4.3 se15.6 secs1.9 se11.1 secs0.5 se 7.2secs5.3 -6.7 15.6
03/0608:00:004.1 3.5 se14.9 secs2.2 se11.2 secs0.7 se 7.1secs4.1 -5.2 14.9
03/0607:00:003.9 3.4 se14.8 secs2.2 se11.4 secs0.8 se 7.1secs4.0 -5.0 14.8
03/0606:00:004.5 4.0 se15.2 secs2.0 se11.4 secs0.7 se 7.2secs4.9 -6.1 15.2
03/0605:00:003.9 3.1 se15.9 secs2.0 se11.4 secs0.6 se 20.0secs4.0 -5.0 15.9
03/0604:00:004.0 3.5 se14.7 secs2.3 se11.6 secs0.5 se 20.0secs4.1 -5.1 14.7
03/0603:00:003.7 2.8 se16.3 secs2.8 se12.8 secs0.9 se 20.0secs3.6 -4.5 16.3
03/0602:00:003.4 2.7 se16.2 secs2.4 se12.8 secs0.6 se 20.0secs3.5 -4.4 16.2
03/0601:00:003.7 3.0 se16.3 secs2.6 se13.0 secs0.9 se 20.0secs3.9 -4.9 16.3
03/0600:00:003.8 2.9 se16.1 secs2.8 se12.8 secs0.6 se 20.0secs3.8 -4.7 16.1
03/0523:00:003.9 3.2 se16.2 secs2.7 se13.0 secs0.8 se 20.0secs4.2 -5.2 16.2
03/0522:00:003.5 2.9 se14.7 secs1.9 se11.5 secs0.5 se 20.0secs3.4 -4.3 14.7
03/0521:00:003.7 2.9 se16.2 secs2.4 se12.8 secs0.6 se 20.0secs3.8 -4.7 16.2
03/0520:00:003.8 2.9 se16.4 secs2.6 se12.8 secs0.8 se 20.0secs3.8 -4.8 16.4
03/0519:00:003.9 3.1 se16.4 secs2.5 se12.8 secs0.8 se 20.0secs4.0 -5.0 16.4
03/0518:00:004.0 2.8 se16.3 secs2.9 se12.8 secs0.9 se 20.0secs3.7 -4.6 16.3
03/0517:00:004.0 3.2 se16.0 secs2.7 se13.0 secs0.5 se 20.0secs4.0 -5.1 16.0

 

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
16:00:00 (GMT) on 03/06
Combined Sea Height:4.6 ft
Dominant Period:15.0 secs
Wind Speed: 9.8 kts
Wind Gust: 11.7 kts
Wind Direction:040 degrees
Barometric Pressure:1024.5 mbs
Air Temperature: 57.6 degrees
Water Temperature:57.2 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)
03/0616:00:004.615.09.811.70401024.557.657.2
03/0615:00:004.316.09.811.70201024.257.657.2
03/0614:00:003.915.09.811.70101024.157.757.2
03/0613:00:004.616.011.711.70101024.257.757.2
03/0612:00:004.616.09.811.73501024.157.657.2
03/0611:00:004.915.07.89.83501023.957.657.2
03/0610:00:003.615.07.89.83601024.357.757.2
03/0609:00:004.315.07.89.83401024.758.157.4
03/0608:00:005.216.07.89.83501024.658.657.4
03/0607:00:004.616.09.811.73501024.858.857.6
03/0606:00:004.316.011.713.73601025.058.857.7
03/0605:00:004.916.09.813.73601025.158.557.9
03/0604:00:004.315.09.811.73501024.858.658.6
03/0603:00:004.316.07.89.83301024.660.158.6
03/0602:00:003.915.05.87.83501024.360.158.5
03/0601:00:003.916.05.85.83401024.260.659.2
03/0600:00:003.916.05.87.83601024.361.059.5
03/0523:00:004.315.03.95.80101024.360.859.4
03/0522:00:004.316.03.95.83401024.760.459.9
03/0521:00:003.915.03.93.93401025.159.458.1
03/0520:00:004.316.01.93.93601025.559.057.7
03/0519:00:004.316.00.01.90001026.259.057.6
03/0518:00:004.316.03.93.91001026.057.957.6
03/0517:00:004.615.03.95.80601026.258.157.4

 

000104671 ___0.231292
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