COL RIVER BAR 20NM West of Columbia River Mouth (46029)

Conditions for Saturday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 65° F
Humidity: 100
Wind direction (W Dir): West (265 - 274 Degrees)
Wind Speed (W Spd): 7.8 kts (8.9 mph)
Wind Gust (W Spd): 9.7 kts (11.2 mph)
Dominant Wave Period (DWP): 11 sec
Dominant Wave Height (DWH): 5.91 ft
Dominant Wave Range (DWR): exactly 5.9 ft
Wind Wave Period (WWP): 4 sec
Wind Wave Height (WWH): 1.64 ft
Wind Wave Range (WWR): 0.82 - 2.46 ft
Wave Swell Period (WSP): 11 sec
Wave Swell Height (WSH): 6.56 ft
Wave Swell Range (WSR): 5.74 - 7.38 ft
Atmospheric Pressure (AP): 29.98 in
Pressure Tendency (PT): +0.01 in
Increasing, then steady; or increasing, then increasing more slowly

Updated: 6:50 PM PDT on August 30, 2014

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Current Wave Detail Observations

Water Depth: 476 ft
Wave Height: 6.07 ft
Spectral Peak Period: 10.8 sec
Average Wave Period: 7.2 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 7:00 PM PDT on August 30, 2014

General Information

Location: 46.159 North -124.514 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D86
Payload: ARES 4.4 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)
20:50 62 62 100 South 7.8 8.9 9 3.28 exactly 3.3 4 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 29.98 -0.01
21:50 63 62 100 South 5.8 6.7 10 3.28 exactly 3.3 3 1.64 0.82 - 2.46 10 3.28 2.46 - 4.10 29.98 -
22:50 63 61 99 South 5.8 6.7 10 3.61 exactly 3.6 4 1.64 0.82 - 2.46 10 3.28 2.46 - 4.10 29.97 -0.01
23:50 62 62 99 SSE 5.8 6.7 9 2.95 exactly 3.0 4 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 29.96 -0.02
00:50 61 61 100 South 11.7 13.4 14 3.28 exactly 3.3 5 1.64 0.82 - 2.46 14 3.28 2.46 - 4.10 29.95 -0.04
01:50 61 61 100 South 13.6 15.7 14 3.28 exactly 3.3 5 1.64 0.82 - 2.46 14 3.28 2.46 - 4.10 29.93 -0.04
02:50 60 60 100 South 15.6 17.9 13 3.94 exactly 3.9 5 1.64 0.82 - 2.46 13 3.28 2.46 - 4.10 29.91 -0.05
03:50 61 60 98 South 17.5 20.1 9 3.94 exactly 3.9 3 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 29.90 -0.05
04:50 61 60 98 South 15.6 17.9 13 3.94 exactly 3.9 4 3.28 2.46 - 4.10 13 3.28 2.46 - 4.10 29.89 -0.04
05:50 61 60 99 South 17.5 20.1 4 3.94 exactly 3.9 4 3.28 2.46 - 4.10 11 3.28 2.46 - 4.10 29.86 -0.05
06:50 61 60 98 SSE 15.6 17.9 9 3.94 exactly 3.9 4 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 29.87 -0.03
07:50 61 60 100 South 17.5 20.1 8 3.94 exactly 3.9 4 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 29.85 -0.04
08:50 63 59 100 West 15.6 17.9 5 4.27 exactly 4.3 5 3.28 2.46 - 4.10 9 1.64 0.82 - 2.46 29.83 -0.03
10:50 63 59 98 NW 15.6 17.9 13 3.94 exactly 3.9 5 3.28 2.46 - 4.10 13 1.64 0.82 - 2.46 29.91 +0.05
11:50 62 62 100 NNW 11.7 13.4 9 3.61 exactly 3.6 5 3.28 2.46 - 4.10 9 1.64 0.82 - 2.46 29.92 +0.09
12:50 63 63 99 NW 9.7 11.2 12 3.94 exactly 3.9 5 3.28 2.46 - 4.10 12 3.28 2.46 - 4.10 29.94 +0.06
13:50 64 63 99 WNW 9.7 11.2 9 3.28 exactly 3.3 4 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 29.96 +0.05
14:50 64 64 100 WNW 9.7 11.2 9 4.27 exactly 4.3 5 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 29.96 +0.04
15:50 65 65 100 WNW 7.8 8.9 11 4.59 exactly 4.6 4 1.64 0.82 - 2.46 11 4.92 4.10 - 5.74 29.97 +0.03
16:50 65 65 100 West 9.7 11.2 9 4.59 exactly 4.6 4 1.64 0.82 - 2.46 9 4.92 4.10 - 5.74 29.98 +0.02
17:50 65 65 100 West 7.8 8.9 11 5.25 exactly 5.2 4 1.64 0.82 - 2.46 11 4.92 4.10 - 5.74 29.98 +0.01
18:50 65 64 100 West 7.8 8.9 11 5.91 exactly 5.9 4 1.64 0.82 - 2.46 11 6.56 5.74 - 7.38 29.98 +0.01

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 476 ft 3.48 ft 10.0 sec 7.0 sec 0.6 sec 2400 sec
21:00 476 ft 3.15 ft 9.1 sec 6.8 sec 0.6 sec 2400 sec
23:00 476 ft 3.48 ft 10.0 sec 6.9 sec 0.6 sec 2400 sec
00:00 476 ft 3.05 ft 9.1 sec 6.9 sec 0.6 sec 2400 sec
01:00 476 ft 3.28 ft 13.8 sec 6.8 sec 0.6 sec 2400 sec
02:00 476 ft 3.41 ft 13.8 sec 6.1 sec 0.6 sec 2400 sec
03:00 476 ft 3.94 ft 12.9 sec 5.9 sec 0.6 sec 2400 sec
05:00 476 ft 3.77 ft 12.9 sec 4.5 sec 0.6 sec 2400 sec
06:00 476 ft 4.07 ft 3.8 sec 4.7 sec 0.6 sec 2400 sec
07:00 476 ft 3.87 ft 9.1 sec 4.6 sec 0.6 sec 2400 sec
08:00 476 ft 3.84 ft 8.3 sec 4.7 sec 0.6 sec 2400 sec
09:00 476 ft 4.40 ft 4.8 sec 4.7 sec 0.6 sec 2400 sec
10:00 476 ft 4.23 ft 4.8 sec 4.3 sec 0.6 sec 2400 sec
11:00 476 ft 3.87 ft 12.9 sec 4.2 sec 0.6 sec 2400 sec
12:00 476 ft 3.74 ft 9.1 sec 4.3 sec 0.6 sec 2400 sec
13:00 476 ft 4.07 ft 12.1 sec 5.1 sec 0.6 sec 2400 sec
14:00 476 ft 3.41 ft 9.1 sec 4.9 sec 0.6 sec 2400 sec
15:00 476 ft 4.20 ft 9.1 sec 5.7 sec 0.6 sec 2400 sec
16:00 476 ft 4.46 ft 11.4 sec 6.5 sec 0.6 sec 2400 sec
17:00 476 ft 4.66 ft 9.1 sec 6.4 sec 0.6 sec 2400 sec
18:00 476 ft 5.35 ft 10.8 sec 7.0 sec 0.6 sec 2400 sec
19:00 476 ft 6.07 ft 10.8 sec 7.2 sec 0.6 sec 2400 sec