Clatskanie, OR Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Clatskanie, OR

June 18, 2024 3:33 PM PDT (22:33 UTC) Change Location
Sunrise 5:18 AM   Sunset 9:08 PM
Moonrise 5:13 PM   Moonset 1:44 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

Marine Forecasts
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PZZ210 Columbia River Bar- 254 Pm Pdt Tue Jun 18 2024

In the main channel -

General seas - 4 ft building to 5 ft Wednesday afternoon.

First ebb - Ebb current of 2.36 kt at 304 pm Tuesday. Seas 4 ft.

SEcond ebb - Ebb current of 5.26 kt at 324 am Wednesday. Seas 3 to 4 ft.

Third ebb - Ebb current of 2.44 kt at 352 pm Wednesday. Seas 4 to 5 ft.

PZZ200 254 Pm Pdt Tue Jun 18 2024

Synopsis for the southern washington and northern oregon coast - High pressure offshore will persist through the week with increasing northerlies across the coastal waters.


7 Day Forecast for Marine Location Near Clatskanie, OR
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Area Discussion for - Portland, OR
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FXUS66 KPQR 182218 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 318 PM PDT Tue Jun 18 2024

SYNOPSIS
Much drier and warmer through the remainder of the week with building high pressure. High probability of temperatures into the 90s inland. Even with the high temperatures, water remains cold. Cooler and wetter pattern approaching on Sunday, with increasing chances for precipitation late next week.

SHORT TERM
Now through Friday...Satellite shows some spotty cumulus forming offshore and along the Cascades today due to northwesterly flow. Winds remain elevated along the coast, and the southern Willamette Valley in areas most susceptible to these north-northwesterly winds. Will see those winds ease overnight and become weakly offshore. With the clear skies, there is a slight chance for some lower patchy stratus and fog formation along the coast and the Coast Range valleys; the extent will be minimal.

The upper level Rex Block is slowly developing overnight into Wednesday which will enhance the high pressure at the surface.
While there is a ridge forming at the low levels, ensembles are still forming a midlevel trough at 500 mb. Closer to the surface, a strengthening thermal trough extending from the California Central Valley into south-central Oregon will induce cross barrier flow over the Casacdes and subsequent downsloping for the interior lowlands. This will send highs well into the 80s on Wednesday afternoon for areas away from the coast, with NBM probabilistic guidance indicating around a 35% chance to reach 90 degrees across the Portland metro area, and 15% in the central Willamette Valley. Temperatures will rise further on Thursday and Friday with much higher confidence for highs in the 90s. One shift from previous forecasts is the extent of these high temperatures. While they formerly covered mainly the greater Portland-Vancouver Metro and the western Columbia River Gorge, they have spread further south into the Willamette Valley, and the valleys of the Cascade Foothills. Heat risk is moderate for the urban areas north of Salem.

LONG TERM
Saturday through Tuesday...The Rex block slowly degrades on Saturday as a weak long-wave trough dips southward.
Still will be warm and dry, but with incoming onshore flow, conditions will slowly improve. More substantial cooling should come on Sunday as WPC ensemble clusters show good agreement on the next upper level trough beginning to impact the Pacific Northwest, with temps back closer to seasonal norms in the low to mid 70s. Precipitation continues to see low probabilities as the core of the upper trough remains north over BC. Northwest Oregon and southwestern Washington will see the highest chances for rainfall, but again are minimal. -Muessle/CB



AVIATION
Upper level troughing is expected to remain in place across the PNW which will maintain flow from the NW. Elongated surface high pressure stretches from the Gulf of Alaska to off the Oregon coast. The surface high is expected to slip southward tonight through Wednesday and will help maintain northerly surface winds between 5-10 kts on Wednesday. Winds along the coast could be a touch stronger around 12 kts along with gusts up to 20 kts tomorrow afternoon. CIGs should remain VFR into early tonight with scattered fair weather cumulus around 4 kft dissipating late this evening. HRRR guidance suggests marine stratus developing (peak 40-50% chance) along the coast between 8-12Z and being maintained into Wednesday afternoon. HRRR also suggests a bit of stratus developing along the Cascade Foothills around 10Z and dissipating by 17Z. There is a 30-40% chance that this impacts the terminals within the Willamette valley.

PDX AND APPROACHES...VFR conditions should prevail through the TAF period with scattered cumulus around 4 kft into the evening. Winds will be from the NW around 5-10 kts, becoming light and variable overnight. There is a 30% MVFR CIGs develop around KTTD between 10-16Z and a 10% chance clouds make it to PDX. -Batz

MARINE
Not much change as high pressure offshore is expected to persist through the week. Northerly winds around 15-20 kt will continue into this evening. A Small Craft Advisory will be in effect south of Cape Falcon through tonight. Expect will see periods of winds gusting up to 25 kt through Friday during the late afternoon and evenings. The northern zones are added tomorrow afternoon as winds increase across all waters. Small Craft Advisory is up through 11 PM Wednesday but will likely need to be extended later into the week. Seas around 4 to 6 feet will generally be wind driven through the week. A weak front is expected to approach the waters this weekend. -Batz/DH

PQR WATCHES/WARNINGS/ADVISORIES
OR...None.
WA...None.
PZ...Small Craft Advisory from 2 PM to 11 PM PDT Wednesday for PZZ251-271.
Small Craft Advisory until 11 PM PDT Wednesday for PZZ252-272.
Small Craft Advisory until 11 PM PDT Wednesday for PZZ253-273.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
LOPW1 - 9440422 - Longview, WA 15 mi46 min 62°F30.01
KLMW1 25 mi46 min 29.99
46243 - Clatsop Spit, OR - 162 48 mi38 min 59°F3 ft


Wind History for Astoria, OR
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No data


Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KKLS SOUTHWEST WASHINGTON RGNL,WA 18 sm37 minWNW 0810 smClear70°F46°F43%30.01
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Wind History graph: KLS
(wind in knots)
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Tide / Current for Knappa, Knappa Slough, Columbia River, Oregon
   
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Knappa
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Tue -- 02:45 AM PDT     Moonset
Tue -- 05:22 AM PDT     Sunrise
Tue -- 07:02 AM PDT     0.16 feet Low Tide
Tue -- 12:48 PM PDT     5.88 feet High Tide
Tue -- 06:14 PM PDT     Moonrise
Tue -- 06:24 PM PDT     2.61 feet Low Tide
Tue -- 09:09 PM PDT     Sunset
Tue -- 11:55 PM PDT     8.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Knappa, Knappa Slough, Columbia River, Oregon, Tide feet
12
am
7.8
1
am
7
2
am
5.6
3
am
4.1
4
am
2.7
5
am
1.4
6
am
0.5
7
am
0.2
8
am
0.6
9
am
1.7
10
am
3.1
11
am
4.6
12
pm
5.6
1
pm
5.9
2
pm
5.5
3
pm
4.7
4
pm
3.8
5
pm
3.1
6
pm
2.6
7
pm
2.7
8
pm
3.6
9
pm
5.1
10
pm
6.6
11
pm
7.8


Tide / Current for Harrington Point, Columbia River, Washington
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Harrington Point
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Tue -- 02:45 AM PDT     Moonset
Tue -- 05:22 AM PDT     Sunrise
Tue -- 06:56 AM PDT     -0.02 feet Low Tide
Tue -- 12:40 PM PDT     5.26 feet High Tide
Tue -- 06:14 PM PDT     Moonrise
Tue -- 06:18 PM PDT     2.83 feet Low Tide
Tue -- 09:09 PM PDT     Sunset
Tue -- 11:47 PM PDT     7.61 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Harrington Point, Columbia River, Washington, Tide feet
12
am
7.2
1
am
6.3
2
am
5
3
am
3.6
4
am
2.2
5
am
1.1
6
am
0.3
7
am
-0
8
am
0.4
9
am
1.5
10
am
2.9
11
am
4.2
12
pm
5.1
1
pm
5.2
2
pm
4.9
3
pm
4.3
4
pm
3.6
5
pm
3.1
6
pm
2.8
7
pm
3
8
pm
3.8
9
pm
5.1
10
pm
6.4
11
pm
7.4


Weather Map
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GEOS Local Image of Pacific Northwest   
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Portland, OR,




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