Sea Conditions for Knappa, Knappa Slough, Columbia River


1
On 2018 09:31:41 AM UTC: FOLLOWING ALASKA MAGNITUDE 8.2 EQ. Tsunami alert for entire US west coast and Hawaii. A tsunami warning is in effect for British Colombia, southeast Alaska and the Alaska Peninsula, and the Aleutian Islands.

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Detailed Sea Conditions for Knappa, Knappa Slough, Columbia River over the next 2 days

Issued (local time): 3 am Tuesday 23 Jan 2018
m, °C | ft, °F Tuesday 23 Wednesday 24 Thu
  1AM 4AM 7AM 10AM 1PM 4PM 7PM 10PM 1AM 4AM 7AM 10AM 1PM 4PM 7PM 10PM 1AM 4AM
Tide State low flow high ebb low flow high ebb low flow high ebb ebb low flow high ebb low
High Tide
height (m)


5:53AM
2.48



5:58PM
2.10



6:37AM
2.52




7:13PM
1.95


Low Tide
height (m)
11:49PM
0.27



12:39PM
0.64



12:32AM
0.41




1:44PM
0.57



1:25AM
0.58
Swell (m)
direction
2.5
W
2.5
W
2.5
W
3.5
WSW
4.0
WSW
4.5
SW
4.5
SW
4.5
SW
4.0
WSW
3.5
WSW
3.5
WSW
3.0
WSW
3.0
WSW
3.0
WSW
3.0
WSW
3.0
WSW
3.0
WSW
3.5
WSW
Wave Height (m) 2.5 2.5 2.5 3.5 4.0 4.5 4.5 4.5 4.0 3.5 3.5 3.0 3.0 3.0 3.0 3.0 3.0 3.5
Period (s) 12 12 11 10 11 11 11 11 11 10 10 10 10 10 10 10 10 10
Wind
(km/h)
windE30metric.gif windESE30metric.gif windSE30metric.gif windSSE35metric.gif windSSE40metric.gif windSSE45metric.gif windSSE40metric.gif windSSE30metric.gif windSSW20metric.gif windSSW20metric.gif windWSW20metric.gif windSSE10metric.gif windS25metric.gif windSW35metric.gif windSW30metric.gif windSSE25metric.gif windSE25metric.gif windSSE35metric.gif
  Today's sea temperature in Knappa, Knappa Slough, Columbia River, Oregon is 9.8 °C (Statistics for 23 Jan 1981-2005 – mean: 9.4 max: 11.0 min: 7.8 °C)
 
Summary  cloudy light
rain
light
rain
light
rain
light
rain
mod
rain
light
rain
light
rain
mod
rain
mod
rain
light
rain
mod
rain
light
rain
light
rain
rain
shwrs
rain
shwrs
some
clouds
rain
shwrs
Rain mm - 1 2 3 1 7 2 5 9 10 4 6 1 3 1 1 - 3
Temp °C 6 7 7 7 10 10 10 10 10 9 8 8 8 8 7 6 5 6
Chill °C 2 3 3 2 6 6 6 7 8 6 5 6 4 4 3 2 0 1
Sunrise - - - 7:46 - - - - - - - 7:45 - - - - - -
Sunset - - - - - 5:05 - - - - - - - 5:07 - - - -

Tide datum: -.