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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)07/01
21:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
21:00:00 (GMT) on 07/01
Sea Height:7.9 ft
Primary Swell Height: 5.6 ft
Primary Swell Period: 11.0 secs
Surf Height5.0 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)
07/0121:00:007.9 5.6 se11.0 secs3.3 se14.4 secs2.0 se 17.6secs5.0 -6.2 11.0
07/0120:00:007.7 5.3 se11.0 secs3.6 se14.7 secs3.1 se 7.8secs4.6 -5.8 11.0
07/0119:00:007.5 5.3 se11.1 secs3.5 se14.6 secs2.9 se 7.8secs4.7 -5.9 11.1
07/0118:00:008.5 6.4 se11.0 secs3.5 se14.3 secs2.1 se 17.8secs5.7 -7.1 11.0
07/0117:00:007.6 5.3 se11.0 secs3.2 se14.5 secs2.1 se 17.7secs4.7 -5.9 11.0
07/0116:00:007.5 5.5 se11.2 secs3.8 se14.2 secs1.9 se 17.5secs4.9 -6.2 11.2
07/0115:00:007.7 5.4 se11.1 secs3.4 se14.4 secs3.2 se 7.8secs4.8 -6.0 11.1
07/0114:00:008.5 6.4 se11.0 secs3.2 se14.4 secs2.0 se 17.7secs5.6 -7.0 11.0
07/0113:00:008.5 5.8 se10.1 secs3.7 se14.6 secs2.7 se 6.7secs4.7 -5.8 10.1
07/0112:00:008.5 6.1 se11.0 secs3.2 se14.4 secs3.8 se 7.7secs5.4 -6.7 11.0
07/0111:00:008.1 5.3 se10.1 secs3.1 se16.8 secs1.2 se 20.0secs4.3 -5.3 10.1
07/0110:00:008.6 5.7 se10.0 secs3.4 se14.5 secs2.2 se 17.6secs4.6 -5.7 10.0
07/0109:00:008.3 5.5 se11.1 secs3.3 se14.3 secs2.1 se 17.8secs4.9 -6.1 11.1
07/0108:00:008.4 6.0 se11.0 secs3.3 se14.4 secs2.0 se 17.6secs5.3 -6.6 11.0
07/0107:00:008.2 5.4 se10.1 secs3.0 se16.6 secs1.0 se 20.0secs4.4 -5.5 10.1
07/0106:00:006.9 2.8 se16.6 secs3.6 se12.3 secs3.9 se 9.0secs3.7 -4.6 16.6
07/0105:00:006.4 3.8 se11.0 secs2.3 se16.7 secs3.4 se 7.8secs3.4 -4.2 11.0
07/0104:00:006.7 4.8 se10.1 secs2.3 se16.6 secs0.8 se 20.0secs3.9 -4.9 10.1
07/0103:00:006.3 4.5 se10.1 secs2.6 se16.6 secs1.0 se 20.0secs3.6 -4.5 10.1
07/0102:00:005.6 2.4 se16.9 secs3.2 se12.2 secs3.0 se 9.2secs3.2 -4.0 16.9
07/0101:00:006.8 4.5 se10.9 secs2.6 se17.3 secs2.9 se 7.8secs3.9 -4.9 10.9
07/0100:00:006.8 5.2 se10.1 secs2.5 se17.0 secs2.0 se 6.7secs4.2 -5.2 10.1
06/3023:00:006.5 4.6 se10.1 secs2.6 se17.1 secs2.0 se 6.7secs3.8 -4.7 10.1
06/3022:00:006.6 5.0 se10.1 secs2.0 se16.8 secs1.0 se 20.0secs4.0 -5.1 10.1

 

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
21:00:00 (GMT) on 07/01
Combined Sea Height:9.8 ft
Dominant Period:9.0 secs
Wind Speed: 7.8 kts
Wind Gust: 9.8 kts
Wind Direction:300 degrees
Barometric Pressure:1014.3 mbs
Air Temperature: 32.0 degrees
Water Temperature:54.9 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)
07/0121:00:009.89.07.89.83001014.332.054.9
07/0120:00:0010.510.07.89.83001014.732.054.7
07/0119:00:0010.210.05.87.82901014.832.054.3
07/0118:00:009.511.05.87.83101014.832.054.1
07/0117:00:0010.810.05.87.83001014.532.054.1
07/0116:00:009.810.07.89.83001014.132.054.1
07/0115:00:009.510.09.813.73101013.632.054.0
07/0114:00:0010.210.011.713.73101013.132.053.6
07/0113:00:0011.210.011.713.73201012.632.053.6
07/0112:00:0011.29.011.715.63201011.932.053.6
07/0111:00:0011.211.013.717.63201011.632.053.2
07/0110:00:0010.88.013.717.63201011.632.053.2
07/0109:00:0011.89.013.717.63301011.632.053.1
07/0108:00:0011.210.011.715.63301011.732.053.2
07/0107:00:0011.210.011.713.73201011.932.053.4
07/0106:00:0010.810.011.713.73201012.132.053.6
07/0105:00:009.28.013.715.63201012.232.053.8
07/0104:00:008.910.013.715.63201011.932.054.0
07/0103:00:009.210.013.717.63201011.532.054.1
07/0102:00:008.59.013.717.63301011.632.054.3
07/0101:00:007.59.013.717.63201011.732.054.3
07/0100:00:009.210.013.717.63201011.932.054.1
06/3023:00:009.210.013.717.63201012.532.054.1
06/3022:00:008.910.015.619.53301012.932.054.3

 

000121701 ___0.187188
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