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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)03/04
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 03/04
Sea Height:6.7 ft
Primary Swell Height: 5.6 ft
Primary Swell Period: 12.4 secs
Surf Height5.5 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)
03/0411:00:006.7 5.6 se12.4 secs2.0 se15.9 secs2.7 se 9.3secs5.5 -6.9 12.4
03/0410:00:006.0 5.0 se12.4 secs2.5 se9.2 secs0.7 se 16.7secs5.0 -6.2 12.4
03/0409:00:006.4 5.2 se12.4 secs2.8 se9.2 secs0.5 se 18.0secs5.2 -6.5 12.4
03/0408:00:005.8 4.8 se12.6 secs2.3 se9.2 secs1.3 se 5.9secs4.9 -6.1 12.6
03/0407:00:006.0 5.0 se12.5 secs2.3 se9.2 secs0.9 se 17.7secs5.0 -6.2 12.5
03/0406:00:006.9 6.0 se12.6 secs2.5 se9.2 secs0.6 se 16.7secs6.1 -7.6 12.6
03/0405:00:006.7 5.6 se12.7 secs2.8 se9.3 secs0.7 se 16.7secs5.7 -7.1 12.7
03/0404:00:006.3 5.1 se12.6 secs2.7 se9.2 secs1.1 se 17.7secs5.1 -6.4 12.6
03/0318:00:008.6 7.6 se14.0 secs3.6 se10.3 secs1.3 se 7.3secs8.5 -10.7 14.0
03/0317:00:008.0 7.0 se14.3 secs3.2 se10.3 secs1.5 se 7.2secs7.9 -9.9 14.3
03/0312:00:008.8 7.5 se14.1 secs2.7 se17.3 secs4.1 se 10.3secs8.4 -10.5 14.1
03/0311:00:009.9 8.4 se14.4 secs4.8 se10.5 secs0.8 se 20.0secs9.7 -12.1 14.4
03/0305:00:008.6 6.7 se14.4 secs5.8 se11.4 secs3.7 se 17.7secs7.7 -9.6 14.4
03/0304:00:007.6 5.8 se14.5 secs5.5 se11.4 secs0.8 se 20.0secs6.7 -8.4 14.5
03/0303:00:007.3 5.7 se14.3 secs3.0 se17.8 secs4.3 se 10.4secs6.5 -8.1 14.3
03/0220:00:005.1 4.2 se14.2 secs1.8 se17.2 secs2.6 se 10.4secs4.8 -6.0 14.2
03/0219:00:004.7 3.7 se14.4 secs2.7 se10.4 secs0.2 se 20.0secs4.3 -5.4 14.4
03/0214:00:003.7 3.1 se14.6 secs2.2 se11.4 secs0.4 se 20.0secs3.6 -4.5 14.6
03/0213:00:004.2 3.3 se16.0 secs2.8 se12.8 secs1.4 se 9.2secs4.2 -5.2 16.0
03/0212:00:004.7 3.8 se16.1 secs3.1 se12.9 secs1.6 se 9.3secs4.9 -6.1 16.1
03/0211:00:005.1 4.1 se16.4 secs2.9 se12.7 secs0.9 se 20.0secs5.4 -6.7 16.4
03/0210:00:006.0 5.0 se16.2 secs3.8 se12.8 secs0.9 se 20.0secs6.5 -8.1 16.2
03/0209:00:005.2 3.8 se16.4 secs3.2 se12.5 secs2.0 se 9.3secs4.9 -6.2 16.4
03/0208:00:005.5 4.5 se16.3 secs3.3 se12.8 secs1.0 se 21.1secs5.9 -7.4 16.3

 

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
12:00:00 (GMT) on 03/04
Combined Sea Height:0.0 ft
Dominant Period:0.0 secs
Wind Speed: 5.8 kts
Wind Gust: 9.8 kts
Wind Direction:170 degrees
Barometric Pressure:1021.7 mbs
Air Temperature: 32.0 degrees
Water Temperature:32.0 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)
03/0412:00:000.00.05.89.81701021.732.032.0
03/0411:00:000.00.05.89.81801020.849.632.0
03/0410:00:000.00.05.89.82001020.849.332.0
03/0409:00:000.00.05.89.81801019.848.932.0
03/0408:00:000.00.03.95.81901019.548.932.0
03/0407:00:000.00.03.97.82501018.848.432.0
03/0406:00:000.00.03.97.82601018.348.032.0
03/0405:00:000.00.01.95.82301016.947.832.0
03/0404:00:000.00.03.97.80000.047.832.0
03/0323:00:000.00.05.87.82901012.132.032.0
03/0322:00:000.00.07.813.72901011.445.332.0
03/0319:00:000.00.03.95.83001010.046.032.0
03/0318:00:009.514.01.95.83301009.946.032.0
03/0317:00:008.915.07.811.72901009.546.232.0
03/0316:00:009.815.05.87.83001009.446.632.0
03/0313:00:000.00.05.89.83001008.147.732.0
03/0312:00:009.514.05.89.83001008.247.832.0
03/0311:00:0010.515.09.813.70000.048.732.0
03/0310:00:0011.20.09.811.73001008.348.932.0
03/0306:00:000.00.05.87.83601010.846.232.0
03/0305:00:009.514.05.87.83501010.946.432.0
03/0304:00:008.211.05.89.83501011.146.832.0
03/0303:00:007.915.03.97.83401011.347.132.0
03/0223:00:000.00.01.93.90000.048.032.0

 

000170973 ___0.018748
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