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

Conditions for Saturday

Daily
Weekly
Monthly
Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 62° F
Humidity: 79
Wind direction (W Dir): NNW (335 - 344 Degrees)
Wind Speed (W Spd): 11.7 kts (13.4 mph)
Wind Gust (W Spd): 13.6 kts (15.7 mph)
Dominant Wave Period (DWP): 7 sec
Dominant Wave Height (DWH): 5.25 ft
Dominant Wave Range (DWR): exactly 5.2 ft
Wind Wave Period (WWP): 4 sec
Wind Wave Height (WWH): 3.28 ft
Wind Wave Range (WWR): 2.46 - 4.10 ft
Wave Swell Period (WSP): 7 sec
Wave Swell Height (WSH): 4.92 ft
Wave Swell Range (WSR): 4.10 - 5.74 ft
Atmospheric Pressure (AP): 30.04 in
Pressure Tendency (PT): -0.02 in
Decreasing, then steady; or decreasing, then decreasing more slowly

Updated: 5:50 AM PDT on August 17, 2019

Marine & Boating Location Search

Enter a coastal zip code for marine weather.

Current Wave Detail Observations

Water Depth: 440 ft
Wave Height: 4.99 ft
Spectral Peak Period: 14.8 sec
Average Wave Period: 6.3 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 8:00 AM PDT on August 17, 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 63 64 84 NNW 7.8 8.9 8 6.23 exactly 6.2 4 1.64 0.82 - 2.46 8 6.56 5.74 - 7.38 30.10 -0.02
21:50 64 64 81 NW 11.7 13.4 8 5.58 exactly 5.6 4 3.28 2.46 - 4.10 8 4.92 4.10 - 5.74 30.09 -0.02
22:50 63 64 85 NNW 11.7 13.4 8 5.58 exactly 5.6 5 1.64 0.82 - 2.46 8 4.92 4.10 - 5.74 30.09 -0.02
23:50 63 64 81 NW 11.7 13.4 8 5.91 exactly 5.9 5 3.28 2.46 - 4.10 8 4.92 4.10 - 5.74 30.08 -0.02
00:50 63 63 79 NNW 9.7 11.2 8 5.91 exactly 5.9 5 1.64 0.82 - 2.46 8 4.92 4.10 - 5.74 30.08 -0.02
01:50 63 63 77 NNW 9.7 11.2 8 5.91 exactly 5.9 4 1.64 0.82 - 2.46 8 4.92 4.10 - 5.74 30.06 -0.02
02:50 63 62 75 NNW 9.7 11.2 8 5.58 exactly 5.6 5 1.64 0.82 - 2.46 8 4.92 4.10 - 5.74 30.05 -0.03
03:50 62 62 79 NNW 7.8 8.9 8 5.91 exactly 5.9 4 1.64 0.82 - 2.46 8 6.56 5.74 - 7.38 30.04 -0.03
04:50 60 61 88 NW 9.7 11.2 8 6.23 exactly 6.2 4 1.64 0.82 - 2.46 8 6.56 5.74 - 7.38 30.04 -0.03
05:50 62 61 79 NNW 11.7 13.4 7 5.25 exactly 5.2 4 3.28 2.46 - 4.10 7 4.92 4.10 - 5.74 30.04 -0.02

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
21:00 440 ft 6.10 ft 7.7 sec 6.5 sec 0.6 sec 2400 sec
00:00 440 ft 5.91 ft 8.3 sec 6.3 sec 0.6 sec 2400 sec
01:00 440 ft 6.04 ft 7.7 sec 6.3 sec 0.6 sec 2400 sec
03:00 440 ft 5.54 ft 8.3 sec 6.3 sec 0.6 sec 2400 sec
04:00 440 ft 6.00 ft 8.3 sec 6.0 sec 0.6 sec 2400 sec
08:00 440 ft 4.99 ft 14.8 sec 6.3 sec 0.6 sec 2400 sec