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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)08/26
03:00:00
 Wait ...
 Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile
      

 

Current Swell & Surf Analysis
Buoy 46012
03:00:00 (GMT) on 08/26
Sea Height:2.3 ft
Primary Swell Height: 1.5 ft
Primary Swell Period: 16.2 secs
Surf Height2.0 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)
08/2603:00:002.3 1.5 se16.2 secs1.5 se13.0 secs0.5 se 20.0secs2.0 -2.5 16.2
08/2602:00:002.3 1.5 se14.6 secs0.9 se11.6 secs1.1 se 7.7secs1.8 -2.2 14.6
08/2601:00:002.3 1.3 se16.1 secs1.3 se12.9 secs1.2 se 7.7secs1.7 -2.1 16.1
08/2600:00:002.5 1.6 se14.6 secs1.4 se7.7 secs0.3 se 20.0secs1.9 -2.4 14.6
08/2523:00:002.3 1.3 se16.4 secs1.2 se12.9 secs0.4 se 20.0secs1.7 -2.1 16.4
08/2522:00:002.5 1.5 se14.5 secs0.9 se17.6 secs1.4 se 7.2secs1.7 -2.1 14.5
08/2521:00:002.5 1.4 se14.4 secs0.9 se17.8 secs1.2 se 7.7secs1.6 -2.1 14.4
08/2520:00:002.7 1.3 se16.3 secs1.1 se13.1 secs1.6 se 7.2secs1.7 -2.2 16.3
08/2519:00:003.0 1.5 se16.1 secs1.5 se7.2 secs0.8 se 11.5secs2.0 -2.5 16.1
08/2518:00:003.1 1.4 se14.3 secs1.9 se7.1 secs0.9 se 10.2secs1.6 -2.0 14.3
08/2517:00:002.9 1.4 se14.5 secs0.9 se17.7 secs1.1 se 11.4secs1.6 -2.1 14.5
08/2516:00:002.8 1.3 se14.3 secs0.8 se17.9 secs1.7 se 7.1secs1.5 -1.9 14.3
08/2515:00:002.8 1.5 se14.3 secs0.8 se17.8 secs1.7 se 7.1secs1.7 -2.1 14.3
08/2514:00:002.7 1.4 se14.3 secs0.8 se17.6 secs1.5 se 7.7secs1.6 -2.0 14.3
08/2513:00:002.4 1.1 se14.3 secs0.6 se17.7 secs1.2 se 7.6secs1.3 -1.6 14.3
08/2512:00:002.5 1.4 se14.0 secs0.7 se18.0 secs1.4 se 7.2secs1.6 -2.0 14.0
08/2511:00:002.4 1.1 se14.0 secs1.3 se7.7 secs0.5 se 18.0secs1.3 -1.6 14.0
08/2510:00:002.3 1.2 se14.1 secs1.3 se7.2 secs0.5 se 17.8secs1.3 -1.7 14.1
08/2509:00:002.1 1.1 se14.3 secs1.2 se7.2 secs0.6 se 10.3secs1.3 -1.6 14.3
08/2508:00:002.3 1.1 se14.2 secs0.6 se18.0 secs1.2 se 7.6secs1.3 -1.6 14.2
08/2507:00:002.3 1.5 se13.9 secs1.2 se7.7 secs0.5 se 17.4secs1.6 -2.0 13.9
08/2506:00:002.2 1.2 se14.1 secs0.6 se17.8 secs1.3 se 7.2secs1.4 -1.7 14.1
08/2505:00:002.1 1.4 se12.6 secs0.7 se16.0 secs1.0 se 6.6secs1.4 -1.8 12.6
08/2503:00:002.1 1.3 se14.0 secs0.6 se18.0 secs0.8 se 10.4secs1.5 -1.9 14.0

 

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
03:00:00 (GMT) on 08/26
Combined Sea Height:3.3 ft
Dominant Period:14.0 secs
Wind Speed: 3.9 kts
Wind Gust: 5.8 kts
Wind Direction:250 degrees
Barometric Pressure:1012.5 mbs
Air Temperature: 60.3 degrees
Water Temperature:59.4 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)
08/2603:00:003.314.03.95.82501012.560.359.4
08/2602:00:003.015.03.95.81801012.259.559.5
08/2601:00:003.014.05.85.82001012.259.459.2
08/2600:00:003.38.03.93.91901012.459.759.5
08/2523:00:003.68.01.93.92001012.759.459.5
08/2522:00:003.37.01.93.92501013.159.060.3
08/2521:00:003.38.01.91.92501013.758.560.1
08/2520:00:003.67.00.01.90001014.357.759.4
08/2519:00:003.98.00.00.00001014.657.759.0
08/2518:00:004.36.03.93.93301015.057.258.6
08/2517:00:004.67.05.87.83101015.257.058.6
08/2516:00:004.38.07.89.83001015.056.558.6
08/2515:00:003.97.05.89.83001015.156.358.8
08/2514:00:003.97.07.811.73001015.055.958.8
08/2513:00:003.97.07.811.73201014.755.458.8
08/2512:00:003.68.09.811.73001014.255.259.0
08/2511:00:003.67.07.89.83101014.355.259.0
08/2510:00:003.67.07.89.83001014.554.959.0
08/2509:00:003.38.05.89.83001014.755.459.0
08/2508:00:003.37.07.811.73101014.955.458.6
08/2507:00:003.67.011.713.73101015.355.658.5
08/2506:00:003.613.09.813.73001015.955.958.6
08/2505:00:003.38.07.813.73001016.156.359.0
08/2504:00:003.312.09.813.72901016.256.759.0

 

000126308 ___0.177046
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