HALF MOON BAY 24NM South Southwest of San Francisco, CA (46012)
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Current Weather/Wave Observations
Air Temperature: 50° F
Wind direction (W Dir): NW (305 - 314 Degrees)
Wind Speed (W Spd): 19.4 kts (22.4 mph)
Wind Gust (W Spd): 23.3 kts (26.8 mph)
Dominant Wave Period (DWP): 12 sec
Dominant Wave Height (DWH): 9.84 ft
Dominant Wave Range (DWR): exactly 9.8 ft
Wind Wave Period (WWP): 8 sec
Wind Wave Height (WWH): 6.56 ft
Wind Wave Range (WWR): 5.74 - 7.38 ft
Wave Swell Period (WSP): 12 sec
Wave Swell Height (WSH): 6.56 ft
Wave Swell Range (WSR): 5.74 - 7.38 ft
Atmospheric Pressure (AP): 30.10 in
Pressure Tendency (PT): +0.03 in
Increasing (steadily or unsteadily)

Updated: 7:50 PM PST on February 11, 2012

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Current Wave Detail Observations
Water Depth: 686 ft
Wave Height: 9.78 ft
Spectral Peak Period: 12.1 sec
Average Wave Period: 7.1 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec
Updated: 8:00 PM PST on February 11, 2012
General Information
Location: 37.363 North -122.881 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D48
Payload: AMPS payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note: "Potential Explosion Hazard Exists for this Buoy"
Weather/Wave Buoy Data for February 11, 2012
Time Temp Humidity Wind Dominant Wave Wind Wave Wave Swell Pressure
  Air
(°F)		 Water
(°F)		   Dir Speed
(kts)		 Speed
(mph)		 Period
(sec)		 Height
(ft)		 Range
(ft)		 Period
(sec)		 Height
(ft)		 Range
(ft)		 Period
(sec)		 Height
(ft)		 Range
(ft)		 Atmo.
(in)		 Tend.
(in)
20:50 52 54
-
 West 5.8 6.7 15 8.86 exactly 8.9 4 1.64 0.82 - 2.46 15 8.20 7.38 - 9.02 30.13 -
21:50 53 54
-
 West 11.7 13.4 13 8.53 exactly 8.5 5 3.28 2.46 - 4.10 13 8.20 7.38 - 9.02 30.14 -
22:50 52 54
-
 WNW 9.7 11.2 14 8.20 exactly 8.2 5 1.64 0.82 - 2.46 14 8.20 7.38 - 9.02 30.13 -
23:50 52 53
-
 West 13.6 15.7 14 8.20 exactly 8.2 5 1.64 0.82 - 2.46 14 8.20 7.38 - 9.02 30.12 -
00:50 51 54
-
 West 11.7 13.4 13 7.87 exactly 7.9 5 1.64 0.82 - 2.46 13 8.20 7.38 - 9.02 30.11 -0.03
01:50 51 54
-
 West 15.6 17.9 12 8.86 exactly 8.9 6 3.28 2.46 - 4.10 12 8.20 7.38 - 9.02 30.09 -0.04
02:50 52 54
-
 WNW 17.5 20.1 13 9.51 exactly 9.5 8 4.92 4.10 - 5.74 13 8.20 7.38 - 9.02 30.09 -0.03
03:50 51 53
-
 WNW 15.6 17.9 13 11.15 exactly 11.2 7 4.92 4.10 - 5.74 13 9.84 9.02 - 10.66 30.08 -0.03
04:50 51 53
-
 NW 15.6 17.9 12 10.17 exactly 10.2 7 4.92 4.10 - 5.74 12 8.20 7.38 - 9.02 30.08 -0.01
05:50 52 53
-
 NW 13.6 15.7 13 10.17 exactly 10.2 6 3.28 2.46 - 4.10 13 9.84 9.02 - 10.66 30.09 -
06:50 50 53
-
 WNW 13.6 15.7 11 9.51 exactly 9.5 6 3.28 2.46 - 4.10 11 8.20 7.38 - 9.02 30.10 +0.02
08:50 51 53
-
 WNW 13.6 15.7 13 10.83 exactly 10.8 6 4.92 4.10 - 5.74 13 9.84 9.02 - 10.66 30.12 +0.03
09:50 50 53
-
 WNW 17.5 20.1 12 9.84 exactly 9.8 5 4.92 4.10 - 5.74 12 8.20 7.38 - 9.02 30.12 +0.01
10:50 51 53
-
 NW 17.5 20.1 12 9.84 exactly 9.8 6 4.92 4.10 - 5.74 12 8.20 7.38 - 9.02 30.12 +0.01
11:50 50 53
-
 NW 17.5 20.1 13 10.17 exactly 10.2 6 4.92 4.10 - 5.74 13 8.20 7.38 - 9.02 30.11 -
12:50 51 53
-
 WNW 17.5 20.1 11 10.83 exactly 10.8 6 4.92 4.10 - 5.74 11 9.84 9.02 - 10.66 30.09 -0.02
13:50 51 53
-
 WNW 19.4 22.4 13 9.19 exactly 9.2 6 4.92 4.10 - 5.74 13 6.56 5.74 - 7.38 30.07 -0.04
14:50 51 53
-
 NW 17.5 20.1 13 9.84 exactly 9.8 6 6.56 5.74 - 7.38 13 8.20 7.38 - 9.02 30.06 -0.05
15:50 51 53
-
 NW 15.6 17.9 14 9.19 exactly 9.2 6 4.92 4.10 - 5.74 14 8.20 7.38 - 9.02 30.05 -0.04
16:50 51 53
-
 WNW 13.6 15.7 14 10.17 exactly 10.2 6 4.92 4.10 - 5.74 14 8.20 7.38 - 9.02 30.07 -
17:50 51 53
-
 WNW 17.5 20.1 14 9.19 exactly 9.2 8 4.92 4.10 - 5.74 14 6.56 5.74 - 7.38 30.08 +0.02
18:50 51 53
-
 WNW 19.4 22.4 14 9.19 exactly 9.2 7 4.92 4.10 - 5.74 14 6.56 5.74 - 7.38 30.09 +0.04
19:50 50 53
-
 NW 19.4 22.4 12 9.84 exactly 9.8 8 6.56 5.74 - 7.38 12 6.56 5.74 - 7.38 30.10 +0.03
Wave Detail Buoy Data for February 11, 2012
Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 686 ft 8.23 ft 13.8 sec 8.6 sec 0.6 sec 2400 sec
21:00 686 ft 9.02 ft 14.8 sec 9.2 sec 0.6 sec 2400 sec
22:00 686 ft 8.56 ft 12.9 sec 8.8 sec 0.6 sec 2400 sec
00:00 686 ft 8.07 ft 13.8 sec 9.0 sec 0.6 sec 2400 sec
01:00 686 ft 7.87 ft 12.9 sec 8.4 sec 0.6 sec 2400 sec
02:00 686 ft 8.89 ft 12.1 sec 8.5 sec 0.6 sec 2400 sec
03:00 686 ft 9.45 ft 12.9 sec 8.3 sec 0.6 sec 2400 sec
04:00 686 ft 11.12 ft 12.9 sec 8.7 sec 0.6 sec 2400 sec
05:00 686 ft 10.17 ft 12.1 sec 8.4 sec 0.6 sec 2400 sec
06:00 686 ft 10.04 ft 12.9 sec 8.3 sec 0.6 sec 2400 sec
07:00 686 ft 9.65 ft 10.8 sec 7.9 sec 0.6 sec 2400 sec
10:00 686 ft 9.84 ft 12.1 sec 7.8 sec 0.6 sec 2400 sec
11:00 686 ft 9.71 ft 12.1 sec 7.7 sec 0.6 sec 2400 sec
12:00 686 ft 10.27 ft 12.9 sec 7.9 sec 0.6 sec 2400 sec
13:00 686 ft 10.70 ft 11.4 sec 8.1 sec 0.6 sec 2400 sec
14:00 686 ft 9.09 ft 12.9 sec 7.6 sec 0.6 sec 2400 sec
15:00 686 ft 9.84 ft 12.9 sec 7.3 sec 0.6 sec 2400 sec
16:00 686 ft 9.12 ft 13.8 sec 7.2 sec 0.6 sec 2400 sec
18:00 686 ft 9.28 ft 13.8 sec 7.5 sec 0.6 sec 2400 sec
20:00 686 ft 9.78 ft 12.1 sec 7.1 sec 0.6 sec 2400 sec
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