HALF MOON BAY 24NM SSW of San Francisco, CA (46012)

Conditions for Thursday

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Marine Data Graph

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General Information

Location: 37.363 North -122.881 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D69
Payload: ARES payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note: "Potential Explosion Hazard Exists for this Buoy"

Weather and Wave Data

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 51 52
-
SSW 3.9 4.5 14 11.81 exactly 11.8 4 1.64 0.82 - 2.46 14 11.48 10.66 - 12.30 30.04 -0.01
21:50 51 52
-
South 5.8 6.7 14 12.14 exactly 12.1 4 1.64 0.82 - 2.46 14 11.48 10.66 - 12.30 30.02 -0.02
22:50 51 52
-
South 5.8 6.7 15 11.48 exactly 11.5 4 1.64 0.82 - 2.46 15 11.48 10.66 - 12.30 30.02 -0.02
23:50 51 52
-
South 7.8 8.9 12 12.47 exactly 12.5 4 1.64 0.82 - 2.46 12 11.48 10.66 - 12.30 30.01 -0.03
00:50 51 52
-
SSW 7.8 8.9 14 9.84 exactly 9.8 3 1.64 0.82 - 2.46 14 9.84 9.02 - 10.66 30.00 -0.02
01:50 51 52
-
South 7.8 8.9 12 9.84 exactly 9.8 4 1.64 0.82 - 2.46 12 9.84 9.02 - 10.66 29.99 -0.03
02:50 51 52
-
South 7.8 8.9 11 9.84 exactly 9.8 4 1.64 0.82 - 2.46 11 9.84 9.02 - 10.66 29.97 -0.04
03:50 51 52
-
SSE 9.7 11.2 14 9.84 exactly 9.8 4 1.64 0.82 - 2.46 14 9.84 9.02 - 10.66 29.95 -0.05
04:50 50 52
-
SE 11.7 13.4 13 7.87 exactly 7.9 5 1.64 0.82 - 2.46 13 8.20 7.38 - 9.02 29.94 -0.05
05:50 49 52
-
SE 13.6 15.7 13 8.53 exactly 8.5 6 3.28 2.46 - 4.10 13 8.20 7.38 - 9.02 29.94 -0.03
06:50 49 52
-
SE 13.6 15.7 13 8.20 exactly 8.2 6 3.28 2.46 - 4.10 13 8.20 7.38 - 9.02 29.93 -0.01
07:50 49 52
-
SE 15.6 17.9 12 8.20 exactly 8.2 6 3.28 2.46 - 4.10 12 8.20 7.38 - 9.02 29.94 -0.01
08:50 49 52
-
SE 15.6 17.9 13 8.53 exactly 8.5 6 3.28 2.46 - 4.10 13 8.20 7.38 - 9.02 29.94 -
09:50 49
-
-
SE 15.6 17.9 - - - - - - 29.94 +0.01
10:50 47 52
-
South 11.7 13.4 13 8.20 exactly 8.2 4 3.28 2.46 - 4.10 13 8.20 7.38 - 9.02 29.94 +0.01
11:50 48 52
-
SSE 11.7 13.4 13 7.87 exactly 7.9 5 3.28 2.46 - 4.10 13 8.20 7.38 - 9.02 29.94 -
12:50 49 52
-
SE 13.6 15.7 12 8.20 exactly 8.2 5 3.28 2.46 - 4.10 12 8.20 7.38 - 9.02 29.91 -0.03
13:50 50 52
-
SE 13.6 15.7 13 7.87 exactly 7.9 6 3.28 2.46 - 4.10 13 8.20 7.38 - 9.02 29.89 -0.05
14:50 48 52
-
South 7.8 8.9 - - - - - - 29.89 -0.04
15:50 47 52
-
SE 5.8 6.7 13 7.22 exactly 7.2 4 1.64 0.82 - 2.46 13 6.56 5.74 - 7.38 29.89 -0.02
16:50 48 52
-
East 5.8 6.7 11 7.87 exactly 7.9 4 1.64 0.82 - 2.46 11 8.20 7.38 - 9.02 29.88 -0.01
17:50 48 52
-
East 7.8 8.9 12 6.89 exactly 6.9 4 1.64 0.82 - 2.46 12 6.56 5.74 - 7.38 29.87 -0.02
18:50 49 52
-
East 9.7 11.2 13 6.56 exactly 6.6 4 1.64 0.82 - 2.46 13 6.56 5.74 - 7.38 29.88 -0.02
19:50 49 52
-
East 7.8 8.9 12 6.89 exactly 6.9 3 1.64 0.82 - 2.46 12 6.56 5.74 - 7.38 29.89 +0.01
20:50 48 52
-
SE 7.8 8.9 13 6.56 exactly 6.6 4 1.64 0.82 - 2.46 13 6.56 5.74 - 7.38 29.89 +0.02
21:50 48 52
-
ENE 5.8 6.7 12 6.56 exactly 6.6 4 1.64 0.82 - 2.46 12 6.56 5.74 - 7.38 29.91 +0.03
22:50 48 52
-
NNW 5.8 6.7 13 6.89 exactly 6.9 4 1.64 0.82 - 2.46 13 6.56 5.74 - 7.38 29.90 +0.01
23:50 48 52
-
NNW 9.7 11.2 11 6.23 exactly 6.2 4 1.64 0.82 - 2.46 11 6.56 5.74 - 7.38 29.89 -
00:50 49 52
-
NW 11.7 13.4 19 6.23 exactly 6.2 4 1.64 0.82 - 2.46 19 6.56 5.74 - 7.38 29.88 -0.02
01:50 50 52
-
NW 11.7 13.4 11 6.89 exactly 6.9 5 1.64 0.82 - 2.46 11 6.56 5.74 - 7.38 29.88 -0.02
02:50 50 52
-
NNW 15.6 17.9 19 6.89 exactly 6.9 6 1.64 0.82 - 2.46 19 6.56 5.74 - 7.38 29.85 -0.04
03:50 50 52
-
NNW 19.4 22.4 19 6.89 exactly 6.9 5 1.64 0.82 - 2.46 19 6.56 5.74 - 7.38 29.84 -0.04

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 686 ft 9.61 ft 10.0 sec 8.1 sec 0.6 sec 2400 sec
21:00 686 ft 11.71 ft 13.8 sec 9.1 sec 0.6 sec 2400 sec
22:00 686 ft 12.04 ft 13.8 sec 9.2 sec 0.6 sec 2400 sec
23:00 686 ft 11.58 ft 14.8 sec 9.1 sec 0.6 sec 2400 sec
00:00 686 ft 12.37 ft 12.1 sec 9.5 sec 0.6 sec 2400 sec
01:00 686 ft 9.88 ft 13.8 sec 8.5 sec 0.6 sec 2400 sec
02:00 686 ft 9.97 ft 12.1 sec 9.1 sec 0.6 sec 2400 sec
03:00 686 ft 9.91 ft 11.4 sec 9.2 sec 0.6 sec 2400 sec
04:00 686 ft 9.88 ft 13.8 sec 9.4 sec 0.6 sec 2400 sec
06:00 686 ft 8.50 ft 12.9 sec 8.4 sec 0.6 sec 2400 sec
07:00 686 ft 8.30 ft 12.9 sec 8.2 sec 0.6 sec 2400 sec
08:00 686 ft 8.30 ft 12.1 sec 8.1 sec 0.6 sec 2400 sec
11:00 686 ft 8.37 ft 12.9 sec 7.4 sec 0.6 sec 2400 sec
13:00 686 ft 8.14 ft 12.1 sec 7.6 sec 0.6 sec 2400 sec
14:00 686 ft 7.97 ft 12.9 sec 7.7 sec 0.6 sec 2400 sec
16:00 686 ft 7.25 ft 12.9 sec 7.7 sec 0.6 sec 2400 sec
17:00 686 ft 7.81 ft 11.4 sec 8.2 sec 0.6 sec 2400 sec
18:00 686 ft 6.89 ft 12.1 sec 8.4 sec 0.6 sec 2400 sec
19:00 686 ft 6.63 ft 12.9 sec 8.0 sec 0.6 sec 2400 sec
20:00 686 ft 6.96 ft 12.1 sec 8.0 sec 0.6 sec 2400 sec
21:00 686 ft 6.59 ft 12.9 sec 8.0 sec 0.6 sec 2400 sec
00:00 686 ft 6.33 ft 11.4 sec 8.1 sec 0.6 sec 2400 sec
02:00 686 ft 6.82 ft 11.4 sec 7.9 sec 0.6 sec 2400 sec
03:00 686 ft 6.86 ft 19.0 sec 8.0 sec 0.6 sec 2400 sec