PT ARENA 19NM North of Point Arena, CA (46014)

Conditions for Friday

Daily
Weekly
Monthly
Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 56° F
Wind direction (W Dir): WSW (245 - 254 Degrees)
Wind Speed (W Spd): 7.8 kts (8.9 mph)
Wind Gust (W Spd): 11.7 kts (13.4 mph)
Dominant Wave Period (DWP): 16 sec
Dominant Wave Height (DWH): 11.81 ft
Dominant Wave Range (DWR): exactly 11.8 ft
Wind Wave Period (WWP): 3 sec
Wind Wave Height (WWH): 1.64 ft
Wind Wave Range (WWR): 0.82 - 2.46 ft
Wave Swell Period (WSP): 16 sec
Wave Swell Height (WSH): 11.48 ft
Wave Swell Range (WSR): 10.66 - 12.30 ft
Atmospheric Pressure (AP): 30.07 in

Updated: 6:50 PM PST on December 13, 2019

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General Information

Location: 39.235 North -123.974 West
Buoy Type: 2.3-meter foam discus buoy
Buoy Hull: 2.3D11
Payload: SCOOP payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake

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)
20:20 54 55
-
East 3.9 4.5 - - - - - - 30.28 -
20:40 54 55
-
East 3.9 4.5 - - - - - - 30.28 -
21:20 54 55
-
East 3.9 4.5 - - - - - - 30.29 -
22:00 54 55
-
ESE 3.9 4.5 - - - - - - 30.28 -
23:30 54 55
-
SW 3.9 4.5 - - - - - - 30.28 -
00:00 54 55
-
SW 3.9 4.5 - - - - - - 30.27 -
00:10 54 55
-
SW 1.9 2.2 - - - - - - 30.28 -
00:40 54 55
-
SW 1.9 2.2 - - - - - - 30.26 -
01:00 54 55
-
SSE 1.9 2.2 - - - - - - 30.25 -0.04
01:30 54 55
-
SE 1.9 2.2 - - - - - - 30.23 -
02:20 54 55
-
SSE 1.9 2.2 - - - - - - 30.23 -
02:50 54 55
-
SSW 3.9 4.5 16 9.84 exactly 9.8 4 1.64 0.82 - 2.46 16 9.84 9.02 - 10.66 30.25 -
03:00 54 55
-
SW 3.9 4.5 - - - - - - 30.25 -0.02
03:40 54 55
-
SSW 3.9 4.5 - - - - - - 30.25 -
04:00 54 55
-
South 3.9 4.5 - - - - - - 30.24 -0.01
04:30 54 55
-
SSE 5.8 6.7 - - - - - - 30.22 -
05:50 54 55
-
ESE 5.8 6.7 15 13.78 exactly 13.8 4 1.64 0.82 - 2.46 15 13.12 12.30 - 13.94 30.20 -
06:00 54 55
-
ESE 7.8 8.9 - - - - - - 30.19 -0.05
06:10 54 55
-
ESE 7.8 8.9 - - - - - - 30.19 -
06:30 54 55
-
SE 5.8 6.7 - - - - - - 30.19 -
07:30 54 54
-
SSE 5.8 6.7 - - - - - - 30.18 -
07:50 54 54
-
South 5.8 6.7 14 11.15 exactly 11.2 4 1.64 0.82 - 2.46 14 11.48 10.66 - 12.30 30.20 -
09:40 55 55
-
SSE 13.6 15.7 - - - - - - 30.19 -
09:50 55 55
-
SSE 13.6 15.7 15 12.47 exactly 12.5 5 3.28 2.46 - 4.10 15 11.48 10.66 - 12.30 30.19 -
10:10 55 55
-
SSE 13.6 15.7 - - - - - - 30.19 -
10:30 55 55
-
SSE 11.7 13.4 - - - - - - 30.18 -
12:20 54 55
-
South 13.6 15.7 - - - - - - 30.14 -
12:50 54 55
-
South 15.6 17.9 15 12.47 exactly 12.5 6 3.28 2.46 - 4.10 15 11.48 10.66 - 12.30 30.13 -
13:10 54 55
-
SSE 15.6 17.9 - - - - - - 30.12 -
13:30 54 55
-
South 15.6 17.9 - - - - - - 30.10 -
14:10 54
-
-
South 15.6 17.9 - - - - - - 30.09 -
14:30 55 55
-
South 15.6 17.9 - - - - - - 30.08 -
15:50 56 55
-
SSW 9.7 11.2 17 11.81 exactly 11.8 4 3.28 2.46 - 4.10 17 11.48 10.66 - 12.30 30.07 -
16:30 56 55
-
WSW 9.7 11.2 - - - - - - 30.08 -
17:00 56 55
-
WSW 7.8 8.9 - - - - - - 30.09 -
17:10 56 55
-
WSW 7.8 8.9 - - - - - - 30.09 -
18:30 56 55
-
WSW 5.8 6.7 - - - - - - 30.08 -
18:50 56 55
-
WSW 7.8 8.9 16 11.81 exactly 11.8 3 1.64 0.82 - 2.46 16 11.48 10.66 - 12.30 30.07 -

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
21:00 1168 ft 11.88 ft 13.8 sec 10.7 sec 0.6 sec 2400 sec
05:00 1168 ft 10.20 ft 16.0 sec 10.0 sec 0.6 sec 2400 sec
08:00 1168 ft 11.25 ft 13.8 sec 10.7 sec 0.6 sec 2400 sec
11:00 1168 ft 13.12 ft 13.8 sec 11.3 sec 0.6 sec 2400 sec
13:00 1168 ft 12.37 ft 14.8 sec 10.0 sec 0.6 sec 2400 sec
16:00 1168 ft 11.84 ft 17.4 sec 9.9 sec 0.6 sec 2400 sec