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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)12/03
05:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
05:00:00 (GMT) on 12/03
Sea Height:7.4 ft
Primary Swell Height: 6.4 ft
Primary Swell Period: 12.4 secs
Surf Height6.4 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)
12/0305:00:007.4 6.4 se12.4 secs3.0 se9.2 secs0.7 se 16.7secs6.4 -7.9 12.4
12/0304:00:007.2 6.4 se12.4 secs2.4 se9.2 secs0.7 se 16.7secs6.3 -7.9 12.4
12/0303:00:008.2 7.5 se12.5 secs2.8 se9.2 secs0.9 se 16.7secs7.5 -9.3 12.5
12/0302:00:007.8 7.1 se12.6 secs2.7 se9.3 secs1.0 se 19.5secs7.1 -8.9 12.6
12/0301:00:007.7 7.1 se12.5 secs2.7 se9.3 secs0.8 se 16.7secs7.1 -8.8 12.5
12/0300:00:007.2 6.5 se12.5 secs2.6 se9.3 secs0.8 se 16.7secs6.5 -8.2 12.5
12/0223:00:007.4 6.8 se12.7 secs2.3 se9.3 secs1.1 se 17.4secs6.9 -8.6 12.7
12/0222:00:007.6 6.6 se12.8 secs3.0 se9.3 secs1.3 se 16.7secs6.8 -8.5 12.8
12/0221:00:008.4 7.8 se12.8 secs1.4 se16.7 secs2.3 se 9.3secs8.0 -10.0 12.8
12/0220:00:007.3 6.2 se14.0 secs3.3 se10.2 secs1.5 se 7.2secs6.9 -8.6 14.0
12/0219:00:007.0 5.4 se14.1 secs3.8 se10.3 secs1.6 se 7.2secs6.1 -7.6 14.1
12/0218:00:006.8 5.5 se14.2 secs2.3 se17.2 secs3.3 se 10.2secs6.3 -7.8 14.2
12/0217:00:008.1 6.6 se14.2 secs2.5 se17.2 secs3.8 se 10.4secs7.4 -9.3 14.2
12/0216:00:009.3 8.0 se14.0 secs4.0 se10.3 secs2.1 se 17.3secs9.0 -11.2 14.0
12/0215:00:007.6 5.7 se14.2 secs2.7 se17.3 secs4.3 se 10.4secs6.5 -8.1 14.2
12/0214:00:008.4 7.2 se12.6 secs3.1 se9.3 secs1.5 se 17.3secs7.3 -9.1 12.6
12/0213:00:008.9 7.5 se12.7 secs2.5 se17.4 secs3.1 se 9.3secs7.6 -9.5 12.7
12/0212:00:008.9 6.4 se14.1 secs5.3 se10.3 secs2.7 se 17.3secs7.2 -9.0 14.1
12/0211:00:008.1 5.9 se14.0 secs4.5 se10.2 secs2.2 se 17.4secs6.6 -8.2 14.0
12/0210:00:008.9 7.0 se14.0 secs4.6 se10.3 secs2.3 se 17.5secs7.9 -9.8 14.0
12/0209:00:008.6 6.2 se14.2 secs5.1 se10.3 secs2.8 se 17.5secs7.0 -8.8 14.2
12/0208:00:008.6 7.0 se14.2 secs4.2 se10.4 secs1.9 se 7.2secs8.0 -10.0 14.2
12/0207:00:006.9 5.5 se12.6 secs1.9 se16.7 secs2.6 se 9.2secs5.5 -6.9 12.6
12/0206:00:007.5 5.8 se12.6 secs3.7 se15.7 secs3.4 se 9.3secs5.9 -7.3 12.6

 

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
05:00:00 (GMT) on 12/03
Combined Sea Height:7.2 ft
Dominant Period:11.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:080 degrees
Barometric Pressure:1018.4 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)
12/0305:00:007.211.03.95.80801018.432.032.0
12/0304:00:007.913.05.87.80701018.432.032.0
12/0303:00:007.513.09.811.70701018.232.032.0
12/0302:00:007.913.07.811.70601018.432.032.0
12/0301:00:008.513.09.811.70401018.232.032.0
12/0300:00:008.513.011.715.60301018.832.032.0
12/0223:00:008.212.013.715.60301019.132.032.0
12/0222:00:008.912.07.89.80201019.732.032.0
12/0221:00:008.514.07.811.70101019.932.032.0
12/0220:00:009.213.07.89.80301020.332.032.0
12/0219:00:008.90.09.811.70501021.132.032.0
12/0218:00:008.913.07.811.70601022.132.032.0
12/0217:00:008.214.011.713.70401022.632.032.0
12/0216:00:008.511.011.713.70301022.232.032.0
12/0215:00:008.20.07.811.70201022.032.032.0
12/0214:00:008.514.07.811.70301021.932.032.0
12/0213:00:008.90.011.715.60201021.332.032.0
12/0212:00:009.50.011.715.60201021.032.032.0
12/0211:00:0010.214.09.813.70201020.832.032.0
12/0210:00:0010.814.09.813.73601020.432.032.0
12/0209:00:0010.814.011.715.63501020.332.032.0
12/0208:00:009.215.09.815.63401020.432.032.0
12/0207:00:008.511.011.717.63301020.232.032.0
12/0206:00:008.911.011.715.63401018.932.032.0

 

000184168 ___0.026646
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