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

Conditions for Monday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 63° F
Humidity: 96
Wind direction (W Dir): SSE (155 - 164 Degrees)
Wind Speed (W Spd): 9.7 kts (11.2 mph)
Wind Gust (W Spd): 11.7 kts (13.4 mph)
Dominant Wave Period (DWP): 17 sec
Dominant Wave Height (DWH): 3.28 ft
Dominant Wave Range (DWR): exactly 3.3 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): 17 sec
Wave Swell Height (WSH): 3.28 ft
Wave Swell Range (WSR): 2.46 - 4.10 ft
Atmospheric Pressure (AP): 30.07 in
Pressure Tendency (PT): -0.02 in
Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly

Updated: 4:50 PM PDT on July 15, 2019

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Current Wave Detail Observations

Water Depth: 440 ft
Wave Height: 3.41 ft
Spectral Peak Period: 17.4 sec
Average Wave Period: 5.0 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 6:00 PM PDT on July 15, 2019

General Information

Location: 46.159 North -124.514 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D78
Payload: AMPS 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 64 65 84 North 9.7 11.2 10 2.62 exactly 2.6 3 1.64 0.82 - 2.46 10 1.64 0.82 - 2.46 30.07 -0.03
22:50 64 64 84 North 3.9 4.5 10 2.62 exactly 2.6 3 1.64 0.82 - 2.46 10 1.64 0.82 - 2.46 30.09 +0.01
00:50 64 64 84 NNW 7.8 8.9 11 2.30 exactly 2.3 3 1.64 0.82 - 2.46 11 1.64 0.82 - 2.46 30.08 +0.01
01:50 63 64 89 North 11.7 13.4 9 1.97 exactly 2.0 3 1.64 0.82 - 2.46 9 1.64 0.82 - 2.46 30.06 -0.02
02:50 63 64 86 NNW 3.9 4.5 17 2.30 exactly 2.3 3 1.64 0.82 - 2.46 17 1.64 0.82 - 2.46 30.08 -0.01
03:50 63 64 83 NNW 1.9 2.2 19 2.62 exactly 2.6 3 1.64 0.82 - 2.46 19 1.64 0.82 - 2.46 30.09 -
04:50 62 62 87 NE 3.9 4.5 9 2.62 exactly 2.6 3 1.64 0.82 - 2.46 9 1.64 0.82 - 2.46 30.08 +0.02
05:50 62 62 85 NE 1.9 2.2 17 2.30 exactly 2.3 3 1.64 0.82 - 2.46 17 1.64 0.82 - 2.46 30.09 +0.01
06:50 62 62 79 East 1.9 2.2 9 2.30 exactly 2.3 4 1.64 0.82 - 2.46 9 1.64 0.82 - 2.46 30.09 +0.01
07:50 63 62 76 ENE 1.9 2.2 9 2.62 exactly 2.6 4 1.64 0.82 - 2.46 9 1.64 0.82 - 2.46 30.09 +0.01
08:50 61 62 85 SE 1.9 2.2 17 2.62 exactly 2.6 4 1.64 0.82 - 2.46 17 1.64 0.82 - 2.46 30.10 -
09:50 61 62 88 South 3.9 4.5 19 2.30 exactly 2.3 3 1.64 0.82 - 2.46 19 1.64 0.82 - 2.46 30.10 +0.01
10:50 61 62 92 SSE 3.9 4.5 9 2.62 exactly 2.6 4 1.64 0.82 - 2.46 9 1.64 0.82 - 2.46 30.10 -
11:50 61 62 92 SE 3.9 4.5 17 2.30 exactly 2.3 4 1.64 0.82 - 2.46 17 1.64 0.82 - 2.46 30.10 -
12:50 61 63 92 ESE 3.9 4.5 17 2.30 exactly 2.3 - - - 17 1.64 0.82 - 2.46 30.10 -
13:50 61 63 95 ESE 5.8 6.7 17 1.97 exactly 2.0 - - - 17 1.64 0.82 - 2.46 30.09 -
14:50 61 64 97 East 5.8 6.7 17 2.30 exactly 2.3 - - - 17 1.64 0.82 - 2.46 30.09 -0.01
15:50 61 64 99 ENE 7.8 8.9 17 2.30 exactly 2.3 - - - 17 1.64 0.82 - 2.46 30.09 -0.01
16:50 63 64 96 SSE 9.7 11.2 17 3.28 exactly 3.3 4 1.64 0.82 - 2.46 17 3.28 2.46 - 4.10 30.07 -0.02

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 440 ft 2.53 ft 10.8 sec 5.2 sec 0.6 sec 2400 sec
21:00 440 ft 2.53 ft 10.0 sec 4.8 sec 0.6 sec 2400 sec
00:00 440 ft 2.43 ft 10.0 sec 5.6 sec 0.6 sec 2400 sec
01:00 440 ft 2.36 ft 10.8 sec 5.8 sec 0.6 sec 2400 sec
04:00 440 ft 2.56 ft 19.0 sec 5.8 sec 0.6 sec 2400 sec
05:00 440 ft 2.59 ft 9.1 sec 5.9 sec 0.6 sec 2400 sec
06:00 440 ft 2.43 ft 17.4 sec 6.3 sec 0.6 sec 2400 sec
07:00 440 ft 2.43 ft 9.1 sec 6.0 sec 0.6 sec 2400 sec
09:00 440 ft 2.62 ft 17.4 sec 6.4 sec 0.6 sec 2400 sec
11:00 440 ft 2.49 ft 9.1 sec 6.6 sec 0.6 sec 2400 sec
12:00 440 ft 2.23 ft 17.4 sec 6.2 sec 0.6 sec 2400 sec
13:00 440 ft 2.17 ft 17.4 sec 6.7 sec 0.6 sec 2400 sec
14:00 440 ft 2.03 ft 17.4 sec 7.3 sec 0.6 sec 2400 sec
17:00 440 ft 3.38 ft 17.4 sec 5.1 sec 0.6 sec 2400 sec
18:00 440 ft 3.41 ft 17.4 sec 5.0 sec 0.6 sec 2400 sec