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

Conditions for Thursday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 62° F
Humidity: 100
Wind direction (W Dir): North (345 - 354 Degrees)
Wind Speed (W Spd): 15.6 kts (17.9 mph)
Wind Gust (W Spd): 19.4 kts (22.4 mph)
Dominant Wave Period (DWP): 5 sec
Dominant Wave Height (DWH): 4.27 ft
Dominant Wave Range (DWR): exactly 4.3 ft
Wind Wave Period (WWP): 5 sec
Wind Wave Height (WWH): 3.28 ft
Wind Wave Range (WWR): 2.46 - 4.10 ft
Wave Swell Period (WSP): 14 sec
Wave Swell Height (WSH): 1.64 ft
Wave Swell Range (WSR): 0.82 - 2.46 ft
Atmospheric Pressure (AP): 30.07 in
Pressure Tendency (PT): -0.01 in
Decreasing, then steady; or decreasing, then decreasing more slowly

Updated: 7:50 PM PDT on July 31, 2014

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Current Wave Detail Observations

Water Depth: 476 ft
Wave Height: 4.20 ft
Spectral Peak Period: 4.8 sec
Average Wave Period: 4.0 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 8:00 PM PDT on July 31, 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 61 99 North 15.6 17.9 5 3.94 exactly 3.9 5 3.28 2.46 - 4.10 13 1.64 0.82 - 2.46 30.13 -
21:50 62 61 99 North 15.6 17.9 6 3.94 exactly 3.9 6 3.28 2.46 - 4.10 - - - 30.14 +0.02
22:50 62 61 98 North 15.6 17.9 5 3.94 exactly 3.9 5 3.28 2.46 - 4.10 - - - 30.14 +0.02
23:50 61 60 100 North 17.5 20.1 5 3.94 exactly 3.9 5 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.13 -
00:50 61 59 99 North 17.5 20.1 5 4.27 exactly 4.3 5 4.92 4.10 - 5.74 14 1.64 0.82 - 2.46 30.13 -0.01
01:50 61 60 99 North 15.6 17.9 5 4.59 exactly 4.6 5 4.92 4.10 - 5.74 14 1.64 0.82 - 2.46 30.13 -0.01
02:50 61 60 99 NNW 15.6 17.9 6 4.27 exactly 4.3 6 4.92 4.10 - 5.74 - - - 30.12 -0.01
03:50 61 60 99 North 17.5 20.1 6 4.27 exactly 4.3 6 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.11 -0.02
04:50 61 60 100 North 17.5 20.1 6 3.94 exactly 3.9 6 3.28 2.46 - 4.10 7 1.64 0.82 - 2.46 30.11 -0.02
05:50 61 60 100 North 17.5 20.1 4 3.94 exactly 3.9 4 3.28 2.46 - 4.10 13 1.64 0.82 - 2.46 30.11 -0.01
07:50 61 60 100 North 17.5 20.1 5 3.28 exactly 3.3 5 3.28 2.46 - 4.10 17 1.64 0.82 - 2.46 30.12 -
08:50 61 60 100 North 17.5 20.1 6 3.28 exactly 3.3 6 3.28 2.46 - 4.10 13 1.64 0.82 - 2.46 30.12 +0.01
09:50 61 60 100 North 17.5 20.1 5 3.28 exactly 3.3 5 3.28 2.46 - 4.10 13 1.64 0.82 - 2.46 30.12 -
10:50 61 60 100 North 17.5 20.1 5 3.61 exactly 3.6 5 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.12 -
11:50 62 61 98 NNW 17.5 20.1 4 3.28 exactly 3.3 4 3.28 2.46 - 4.10 13 1.64 0.82 - 2.46 30.12 -
12:50 62 61 99 North 15.6 17.9 6 2.95 exactly 3.0 6 3.28 2.46 - 4.10 7 1.64 0.82 - 2.46 30.12 -
13:50 62 62 100 NNW 17.5 20.1 6 3.28 exactly 3.3 6 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.12 -
14:50 62 62 100 NNW 17.5 20.1 5 3.28 exactly 3.3 5 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.10 -0.01
15:50 62 62 100 North 17.5 20.1 6 3.61 exactly 3.6 6 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.09 -0.03
16:50 62 61 100 North 15.6 17.9 6 3.61 exactly 3.6 6 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.08 -0.04
17:50 62 61 100 North 17.5 20.1 5 3.94 exactly 3.9 5 3.28 2.46 - 4.10 - - - 30.07 -0.03
18:50 62 61 100 North 15.6 17.9 5 3.61 exactly 3.6 5 3.28 2.46 - 4.10 13 1.64 0.82 - 2.46 30.07 -0.02
19:50 62 61 100 North 15.6 17.9 5 4.27 exactly 4.3 5 3.28 2.46 - 4.10 14 1.64 0.82 - 2.46 30.07 -0.01

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 476 ft 3.87 ft 4.5 sec 4.0 sec 0.6 sec 2400 sec
21:00 476 ft 3.84 ft 5.0 sec 4.0 sec 0.6 sec 2400 sec
22:00 476 ft 3.97 ft 5.6 sec 4.1 sec 0.6 sec 2400 sec
23:00 476 ft 3.90 ft 5.3 sec 4.1 sec 0.6 sec 2400 sec
00:00 476 ft 4.10 ft 5.3 sec 4.3 sec 0.6 sec 2400 sec
01:00 476 ft 4.43 ft 5.3 sec 4.3 sec 0.6 sec 2400 sec
02:00 476 ft 4.66 ft 5.3 sec 4.7 sec 0.6 sec 2400 sec
03:00 476 ft 4.33 ft 5.6 sec 4.5 sec 0.6 sec 2400 sec
04:00 476 ft 4.17 ft 6.3 sec 4.3 sec 0.6 sec 2400 sec
05:00 476 ft 4.04 ft 5.6 sec 4.3 sec 0.6 sec 2400 sec
06:00 476 ft 3.97 ft 4.0 sec 4.1 sec 0.6 sec 2400 sec
08:00 476 ft 3.41 ft 5.3 sec 4.0 sec 0.6 sec 2400 sec
09:00 476 ft 3.41 ft 5.6 sec 3.8 sec 0.6 sec 2400 sec
10:00 476 ft 3.31 ft 5.0 sec 3.9 sec 0.6 sec 2400 sec
11:00 476 ft 3.54 ft 5.3 sec 3.8 sec 0.6 sec 2400 sec
12:00 476 ft 3.22 ft 3.7 sec 3.7 sec 0.6 sec 2400 sec
14:00 476 ft 3.38 ft 5.6 sec 3.9 sec 0.6 sec 2400 sec
15:00 476 ft 3.31 ft 5.0 sec 3.8 sec 0.6 sec 2400 sec
16:00 476 ft 3.48 ft 5.6 sec 4.0 sec 0.6 sec 2400 sec
17:00 476 ft 3.54 ft 5.6 sec 4.1 sec 0.6 sec 2400 sec
18:00 476 ft 3.81 ft 5.0 sec 4.0 sec 0.6 sec 2400 sec
19:00 476 ft 3.58 ft 4.5 sec 3.9 sec 0.6 sec 2400 sec
20:00 476 ft 4.20 ft 4.8 sec 4.0 sec 0.6 sec 2400 sec