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

Conditions for Sunday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 51° F
Wind direction (W Dir): NNE (15 - 24 Degrees)
Wind Speed (W Spd): 5.8 kts (6.7 mph)
Wind Gust (W Spd): 7.8 kts (8.9 mph)
Dominant Wave Period (DWP): 9 sec
Dominant Wave Height (DWH): 4.59 ft
Dominant Wave Range (DWR): exactly 4.6 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): 9 sec
Wave Swell Height (WSH): 4.92 ft
Wave Swell Range (WSR): 4.10 - 5.74 ft
Atmospheric Pressure (AP): 30.23 in
Pressure Tendency (PT): +0.02 in
Increasing (steadily or unsteadily)

Updated: 11:50 PM PST on February 28, 2015

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Current Wave Detail Observations

Water Depth: 476 ft
Wave Height: 4.56 ft
Spectral Peak Period: 9.1 sec
Average Wave Period: 6.1 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 12:00 AM PST on March 01, 2015

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 52 51
-
North 13.6 15.7 9 5.25 exactly 5.2 6 3.28 2.46 - 4.10 9 4.92 4.10 - 5.74 30.21 +0.04
21:50 52 51
-
North 9.7 11.2 10 5.58 exactly 5.6 4 1.64 0.82 - 2.46 10 4.92 4.10 - 5.74 30.22 +0.03
22:50 51 51
-
North 7.8 8.9 8 4.59 exactly 4.6 4 1.64 0.82 - 2.46 8 4.92 4.10 - 5.74 30.23 +0.03
23:50 51 51
-
NNE 5.8 6.7 9 4.59 exactly 4.6 4 1.64 0.82 - 2.46 9 4.92 4.10 - 5.74 30.23 +0.02

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 476 ft 5.09 ft 9.1 sec 5.9 sec 0.6 sec 2400 sec
21:00 476 ft 5.31 ft 9.1 sec 6.0 sec 0.6 sec 2400 sec
22:00 476 ft 5.45 ft 10.0 sec 6.2 sec 0.6 sec 2400 sec
23:00 476 ft 4.63 ft 8.3 sec 5.8 sec 0.6 sec 2400 sec
00:00 476 ft 4.56 ft 9.1 sec 6.1 sec 0.6 sec 2400 sec