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: 59° F
Wind direction (W Dir): (Calm)
Wind Speed (W Spd): 0.0 kts (0.0 mph)
Wind Gust (W Spd): 1.9 kts (2.2 mph)
Dominant Wave Period (DWP): 17 sec
Dominant Wave Height (DWH): 5.25 ft
Dominant Wave Range (DWR): exactly 5.2 ft
Wave Swell Period (WSP): 17 sec
Wave Swell Height (WSH): 4.92 ft
Wave Swell Range (WSR): 4.10 - 5.74 ft
Atmospheric Pressure (AP): 29.75 in

Updated: 3:50 AM PDT on September 18, 2014

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Current Wave Detail Observations

Water Depth: 476 ft
Wave Height: 5.12 ft
Spectral Peak Period: 17.4 sec
Average Wave Period: 10.1 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 4:00 AM PDT on September 18, 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 Wave Swell Pressure
  Air
(°F)
Water
(°F)
  Dir Speed
(kts)
Speed
(mph)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Atmo.
(in)
Tend.
(in)
20:50 59 59
-
NE 7.8 8.9 13 5.91 exactly 5.9 13 6.56 5.74 - 7.38 29.74 -0.04
22:50 59 59
-
SE 1.9 2.2 11 5.58 exactly 5.6 11 4.92 4.10 - 5.74 29.76 +0.03
23:50 59 59
-
SW 1.9 2.2 12 5.91 exactly 5.9 12 6.56 5.74 - 7.38 29.76 +0.02
00:50 59 59
-
West 3.9 4.5 11 5.25 exactly 5.2 11 4.92 4.10 - 5.74 29.75 -
01:50 59 59
-
West 1.9 2.2 12 5.58 exactly 5.6 12 4.92 4.10 - 5.74 29.75 -
02:50 59 59
-
SSW 1.9 2.2 12 5.58 exactly 5.6 12 4.92 4.10 - 5.74 29.75 -
03:50 59 59
-
- 0.0 0.0 17 5.25 exactly 5.2 17 4.92 4.10 - 5.74 29.75 -

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 476 ft 5.68 ft 12.9 sec 10.2 sec 0.6 sec 2400 sec
21:00 476 ft 6.04 ft 12.9 sec 10.1 sec 0.6 sec 2400 sec
00:00 476 ft 5.87 ft 12.1 sec 10.0 sec 0.6 sec 2400 sec
01:00 476 ft 5.18 ft 11.4 sec 9.7 sec 0.6 sec 2400 sec
02:00 476 ft 5.58 ft 12.1 sec 9.8 sec 0.6 sec 2400 sec
04:00 476 ft 5.12 ft 17.4 sec 10.1 sec 0.6 sec 2400 sec