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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
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 07/01
Sea Height:6.8 ft
Primary Swell Height: 5.2 ft
Primary Swell Period: 10.1 secs
Surf Height4.2 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)
07/0100:00:006.8 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
06/3021:00:006.5 4.8 se10.1 secs2.5 se16.7 secs0.9 se 20.0secs3.9 -4.8 10.1
06/3020:00:006.3 4.4 se10.1 secs2.3 se17.2 secs2.1 se 6.7secs3.5 -4.4 10.1
06/3019:00:006.3 4.6 se10.0 secs2.1 se17.0 secs1.1 se 20.0secs3.7 -4.6 10.0
06/3018:00:006.0 4.1 se9.9 secs2.2 se17.2 secs2.1 se 6.7secs3.3 -4.1 9.9
06/3017:00:006.6 4.8 se10.1 secs2.0 se16.9 secs1.1 se 20.0secs3.9 -4.9 10.1
06/3016:00:007.1 5.0 se10.0 secs2.4 se17.2 secs2.5 se 6.8secs4.0 -5.0 10.0
06/3015:00:006.4 3.8 se10.9 secs2.1 se17.1 secs3.4 se 7.8secs3.3 -4.1 10.9
06/3014:00:006.8 4.8 se10.1 secs2.0 se16.9 secs1.0 se 20.0secs3.9 -4.9 10.1
06/3013:00:007.2 5.3 se10.1 secs1.8 se17.0 secs2.8 se 6.7secs4.3 -5.3 10.1
06/3012:00:007.8 5.7 se10.9 secs2.3 se14.3 secs1.6 se 18.0secs5.0 -6.2 10.9
06/3011:00:006.6 4.6 se10.1 secs2.2 se14.3 secs1.5 se 18.0secs3.7 -4.7 10.1
06/3010:00:007.9 6.0 se10.1 secs1.9 se17.0 secs2.8 se 6.8secs4.9 -6.1 10.1
06/3009:00:007.3 4.9 se10.2 secs2.7 se17.1 secs2.9 se 6.7secs4.0 -5.0 10.2
06/3008:00:007.3 5.6 se10.1 secs2.5 se16.9 secs1.2 se 20.0secs4.5 -5.7 10.1
06/3007:00:006.6 2.8 se17.5 secs4.2 se10.0 secs2.3 se 6.8secs3.9 -4.9 17.5
06/3006:00:005.7 3.6 se9.9 secs2.1 se17.1 secs2.2 se 6.7secs2.8 -3.6 9.9
06/3005:00:005.5 3.9 se10.0 secs1.8 se17.3 secs2.0 se 6.7secs3.1 -3.9 10.0
06/3004:00:005.9 4.3 se9.9 secs1.9 se17.1 secs2.0 se 6.7secs3.4 -4.3 9.9
06/3003:00:005.8 2.4 se17.4 secs3.6 se9.8 secs2.2 se 6.7secs3.4 -4.2 17.4
06/3002:00:005.2 3.2 se10.0 secs1.6 se17.0 secs2.4 se 6.7secs2.6 -3.2 10.0
06/3001:00:006.6 5.0 se10.0 secs1.5 se16.7 secs0.7 se 20.0secs4.0 -4.9 10.0

 

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
01:00:00 (GMT) on 07/01
Combined Sea Height:7.5 ft
Dominant Period:9.0 secs
Wind Speed: 13.7 kts
Wind Gust: 17.6 kts
Wind Direction:320 degrees
Barometric Pressure:1011.7 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)
07/0101:00:007.59.013.717.63201011.732.054.3
06/3023:00:009.210.013.717.63201012.532.054.1
06/3022:00:008.910.015.619.53301012.932.054.3
06/3021:00:009.29.015.619.53201013.232.054.0
06/3020:00:008.910.011.715.63101013.632.054.1
06/3019:00:008.59.011.715.63201014.032.053.8
06/3018:00:008.910.011.715.63101014.232.053.6
06/3017:00:008.510.09.811.73201014.332.053.2
06/3016:00:009.210.013.717.63301014.332.053.1
06/3015:00:009.810.013.717.63201014.332.053.2
06/3014:00:008.910.013.719.53201014.132.053.2
06/3013:00:009.510.015.619.53201013.932.053.4
06/3012:00:0010.210.015.619.53301013.732.053.2
06/3011:00:0010.511.015.619.53201013.532.053.2
06/3010:00:009.210.015.621.43301013.732.053.1
06/3009:00:0010.810.013.717.63201014.032.052.9
06/3008:00:009.810.011.715.63201014.432.052.9
06/3007:00:0010.210.013.715.63301014.632.053.2
06/3006:00:009.29.013.717.63201015.032.053.2
06/3005:00:008.29.011.715.63301015.132.052.9
06/3004:00:007.910.013.715.63201015.432.053.6
06/3003:00:008.29.011.713.73101015.632.054.1
06/3002:00:008.29.013.715.63201015.532.054.0
06/3001:00:007.59.015.621.43201015.732.053.4

 

000121639 ___0.177323
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