COL 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: 55° F
Wind direction (W Dir): SSW (205 - 214 Degrees)
Wind Speed (W Spd): 7.8 kts (8.9 mph)
Wind Gust (W Spd): 9.7 kts (11.2 mph)
Dominant Wave Period (DWP): 9 sec
Dominant Wave Height (DWH): 5.58 ft
Dominant Wave Range (DWR): exactly 5.6 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): 29.96 in
Pressure Tendency (PT): +0.05 in
Decreasing or steady, then increasing; or increasing, then increasing more rapidly

Updated: 10:50 PM PDT on April 27, 2015

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Current Wave Detail Observations

Water Depth: 476 ft
Wave Height: 6.17 ft
Spectral Peak Period: 10.0 sec
Average Wave Period: 9.3 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 9:00 PM PDT on April 27, 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 52
-
South 17.5 20.1 7 6.23 exactly 6.2 7 6.56 5.74 - 7.38 15 1.64 0.82 - 2.46 30.19 +0.01
21:50 53 53
-
South 15.6 17.9 7 6.23 exactly 6.2 7 4.92 4.10 - 5.74 15 3.28 2.46 - 4.10 30.21 +0.03
22:50 53 53
-
South 13.6 15.7 7 5.91 exactly 5.9 5 4.92 4.10 - 5.74 7 3.28 2.46 - 4.10 30.22 +0.04
23:50 53 53
-
South 13.6 15.7 7 5.91 exactly 5.9 7 4.92 4.10 - 5.74 14 3.28 2.46 - 4.10 30.22 +0.03
00:50 53 53
-
South 13.6 15.7 7 5.58 exactly 5.6 5 4.92 4.10 - 5.74 7 3.28 2.46 - 4.10 30.23 +0.02
01:50 54 53
-
South 13.6 15.7 7 5.58 exactly 5.6 5 3.28 2.46 - 4.10 7 4.92 4.10 - 5.74 30.23 -
02:50 53 53
-
South 13.6 15.7 6 5.25 exactly 5.2 6 3.28 2.46 - 4.10 15 3.28 2.46 - 4.10 30.23 -
03:50 53 53
-
South 13.6 15.7 6 5.25 exactly 5.2 6 3.28 2.46 - 4.10 7 3.28 2.46 - 4.10 30.22 -0.01
04:50 53 53
-
South 13.6 15.7 6 5.25 exactly 5.2 6 3.28 2.46 - 4.10 6 4.92 4.10 - 5.74 30.23 -
05:50 53 53
-
South 9.7 11.2 9 5.58 exactly 5.6 4 1.64 0.82 - 2.46 9 4.92 4.10 - 5.74 30.23 -
06:50 53 53
-
SSE 7.8 8.9 8 6.23 exactly 6.2 4 1.64 0.82 - 2.46 8 6.56 5.74 - 7.38 30.22 -
07:50 53 53
-
SSE 5.8 6.7 10 5.58 exactly 5.6 4 1.64 0.82 - 2.46 10 4.92 4.10 - 5.74 30.22 -0.01
08:50 53 53
-
SSE 3.9 4.5 10 6.56 exactly 6.6 4 1.64 0.82 - 2.46 10 6.56 5.74 - 7.38 30.22 -0.01
09:50 53 53
-
East 3.9 4.5 10 6.89 exactly 6.9 4 1.64 0.82 - 2.46 10 6.56 5.74 - 7.38 30.20 -0.02
10:50 53 53
-
East 5.8 6.7 10 6.89 exactly 6.9 4 1.64 0.82 - 2.46 10 6.56 5.74 - 7.38 30.17 -0.04
11:50 54 53
-
East 7.8 8.9 10 6.89 exactly 6.9 4 1.64 0.82 - 2.46 10 6.56 5.74 - 7.38 30.16 -0.06
12:50 54 54
-
East 3.9 4.5 11 6.56 exactly 6.6 4 1.64 0.82 - 2.46 11 6.56 5.74 - 7.38 30.12 -0.08
13:50 55 54
-
NNE 5.8 6.7 10 5.91 exactly 5.9 4 1.64 0.82 - 2.46 10 6.56 5.74 - 7.38 30.09 -0.08
14:50 55 54
-
NNE 7.8 8.9 11 5.91 exactly 5.9 4 1.64 0.82 - 2.46 11 6.56 5.74 - 7.38 30.05 -0.10
15:50 55 54
-
NNE 9.7 11.2 11 5.25 exactly 5.2 5 1.64 0.82 - 2.46 11 4.92 4.10 - 5.74 30.00 -0.12
16:50 56 55
-
North 7.8 8.9 11 4.92 exactly 4.9 - - - 11 4.92 4.10 - 5.74 29.96 -0.13
17:50 56 55
-
NW 7.8 8.9 9 5.58 exactly 5.6 - - - 9 4.92 4.10 - 5.74 29.94 -0.12
18:50 56 55
-
NW 7.8 8.9 10 5.58 exactly 5.6 - - - 10 4.92 4.10 - 5.74 29.91 -0.09
19:50 56 54
-
WNW 5.8 6.7 10 5.91 exactly 5.9 - - - 10 6.56 5.74 - 7.38 29.91 -0.06
20:50 56 54
-
West 3.9 4.5 10 6.23 exactly 6.2 - - - 10 6.56 5.74 - 7.38 29.91 -0.03
22:50 55 54
-
SSW 7.8 8.9 9 5.58 exactly 5.6 - - - 9 4.92 4.10 - 5.74 29.96 +0.05

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
21:00 476 ft 6.23 ft 7.1 sec 5.4 sec 0.6 sec 2400 sec
22:00 476 ft 6.17 ft 7.1 sec 5.7 sec 0.6 sec 2400 sec
23:00 476 ft 5.94 ft 7.1 sec 5.6 sec 0.6 sec 2400 sec
00:00 476 ft 5.94 ft 6.7 sec 5.7 sec 0.6 sec 2400 sec
01:00 476 ft 5.48 ft 7.1 sec 5.6 sec 0.6 sec 2400 sec
02:00 476 ft 5.64 ft 6.7 sec 5.6 sec 0.6 sec 2400 sec
03:00 476 ft 5.25 ft 6.3 sec 5.8 sec 0.6 sec 2400 sec
04:00 476 ft 5.15 ft 6.3 sec 5.6 sec 0.6 sec 2400 sec
05:00 476 ft 5.28 ft 6.3 sec 5.6 sec 0.6 sec 2400 sec
06:00 476 ft 5.51 ft 9.1 sec 6.0 sec 0.6 sec 2400 sec
07:00 476 ft 6.14 ft 8.3 sec 6.4 sec 0.6 sec 2400 sec
08:00 476 ft 5.51 ft 10.0 sec 6.4 sec 0.6 sec 2400 sec
09:00 476 ft 6.69 ft 10.0 sec 7.0 sec 0.6 sec 2400 sec
10:00 476 ft 6.86 ft 10.0 sec 7.1 sec 0.6 sec 2400 sec
11:00 476 ft 6.79 ft 10.0 sec 7.3 sec 0.6 sec 2400 sec
12:00 476 ft 6.92 ft 10.0 sec 7.5 sec 0.6 sec 2400 sec
13:00 476 ft 6.53 ft 10.8 sec 7.2 sec 0.6 sec 2400 sec
14:00 476 ft 6.04 ft 10.0 sec 7.3 sec 0.6 sec 2400 sec
15:00 476 ft 5.87 ft 11.4 sec 7.7 sec 0.6 sec 2400 sec
17:00 476 ft 4.92 ft 11.4 sec 7.9 sec 0.6 sec 2400 sec
18:00 476 ft 5.41 ft 9.1 sec 8.2 sec 0.6 sec 2400 sec
19:00 476 ft 5.48 ft 10.0 sec 8.6 sec 0.6 sec 2400 sec
20:00 476 ft 6.04 ft 10.0 sec 9.1 sec 0.6 sec 2400 sec
21:00 476 ft 6.17 ft 10.0 sec 9.3 sec 0.6 sec 2400 sec