Altoona, WA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Altoona, WA

June 24, 2024 1:00 PM PDT (20:00 UTC) Change Location
Sunrise 5:19 AM   Sunset 9:09 PM
Moonrise 10:49 PM   Moonset 6:57 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- 230 Am Pdt Mon Jun 24 2024

.small craft advisory in effect until 10 am pdt this morning - .

In the main channel -

General seas - 7 to 9 ft subsiding to 4 ft Tuesday morning.

First ebb - Very strong ebb current of 6.36 kt at 647 am Monday. Seas 10 ft.

SEcond ebb - Ebb current of 3.26 kt at 734 pm Monday. Seas 5 to 6 ft.

Third ebb - Strong ebb current of 6.11 kt at 732 am Tuesday. Seas 6 ft.

PZZ200 230 Am Pdt Mon Jun 24 2024

Synopsis for the southern washington and northern oregon coast - High pres will sit over the offshore waters for next few days, while thermal low pres hugs the far sw oregon coast into northwest california. Pattern will change mid-week, as upper low shifts into the pac nw, bringing a weakening front and unsettled weather.


7 Day Forecast for Marine Location Near Altoona, WA
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Area Discussion for - Portland, OR
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FXUS66 KPQR 241742 AAA AFDPQR

Area Forecast Discussion UPDATED National Weather Service Portland OR 1040 AM PDT Mon Jun 24 2024

...Morning update, for aviation weather.

SYNOPSIS
A transient shortwave ridge will bring dry and warm conditions to the area Monday and Tuesday, warmest on Tuesday. An upper level trough will then bring relatively cooler temperatures for Wednesday and Thursday with increasing chances for rain showers. Warm and dry conditions will return Friday and Saturday with near normal to slightly above normal temperatures.

DISCUSSION
MONDAY THROUGH SUNDAY NIGHT...High pressure will bring seasonably warm and dry conditions to the area Monday and Tuesday, warmest on Tuesday when a transient upper level ridge will move eastward into WA/OR. The deterministic NBM has been performing very well with temperatures over the past several days, and is suggesting high temps between 75-81 degrees for inland valley locations on Monday and 84-90 degrees on Tuesday. The probability for high temps over 90 on Tuesday is at 10-20% from Salem to the Portland metro but less than 10% elsewhere.

The aforementioned ridge will move eastward into Idaho and western Montana Tuesday night into Wednesday as an upper level trough approaches western WA/OR from the northeast Pacific. Models and their ensembles agree well on the timing of this trough, suggesting the trough axis will move over the area late Wednesday into Thursday morning. At the surface, a weak warm front is set to lift northward over the area late Wednesday, bringing increasing cloud cover and chances for light rain to southwest WA (20-40% chance) and a 10-20% chance for most of northwest OR. However, a cold front trailing behind the warm front will move through Wednesday night/Thursday morning, bringing higher chances for rain (40-70% chance across southwest WA and 10-40% for northwest OR with the lowest chances in the Eugene area). Rain amounts look to stay under 0.1-0.2 inches, however the wettest model solutions are showing amounts over 0.25 inches. That being said, the probability for 24-hr rain amounts in excess of 0.25 inches is only 10% or less (except 20-40% over the south WA/north OR Cascades where moist upslope flow will result in more frequent/heavier showers).

Behind this system, models and their ensembles are showing another transient shortwave ridge moving into the region, resulting in relatively warmer temperatures and dry conditions. Forecast high temps are currently near normal to slightly above normal for Friday and Saturday (77-83 degrees for inland valleys, 60s at the coast).
The probability for highs above 90 degrees is less than 10% and there are no signs of any heat waves on the horizon at this time. If anything, the forecast trends a bit cooler again Sunday into early next week with increasing chances for showers. -TK

AVIATION
High pressure remains over the region, with dry mild southwest flow aloft. This will maintain VFR under mostly clear skies today through Tuesday. Do still have low level onshore flow over western WA and far nw Oregon as far south as a KTMK to KSPB line. This stratus (CIGS 2000 to 3000 ft) will gradually break up and dissipate through 22Z.

PDX AND APPROACHES...High pressure with mild dry southwest flow aloft will maintain VFR under clear skies.


MARINE
High pressure over the waters today, while thermal low pressure strengthens over far northwest Calif into far sw Oregon.
This will tighten the northerly pressure gradient enough to allow north winds to pop 20 to 25 kt gusts Mon afternoon into Mon evening. But, this mainly over the waters off the central Oregon coast.

Seas running 2 to 3 ft over guidance, possibly due to the brief dynamic fetch directed at the Oregon coast Saturday. Seas are now around 9 to 10 ft at 11 to 12 seconds, so have issued a Small Craft Advisory for all waters through midday. Rough bar conditions expected at the Columbia River Bar due elevated seas and strong ebb current this morning.

Otherwise, not much change in the pattern for early this week, as high pressure remains anchored off the Pac NW. Low pressure will arrive mid-week, with a weakening front arriving. This will bring return of unsettled weather, with return of west to southwest winds, but still mostly 15 kt or less. /mh /Rockey

PQR WATCHES/WARNINGS/ADVISORIES

OR...None.
WA...None.
PZ...Small Craft Advisory until 10 AM PDT this morning for PZZ210.

Small Craft Advisory until 2 PM PDT this afternoon for PZZ251- 271.

Small Craft Advisory until midnight PDT tonight for PZZ252-253- 272-273.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
46243 - Clatsop Spit, OR - 162 26 mi65 min 60°F6 ft
TOKW1 - 9440910 - Toke Point, WA 35 mi43 minNW 8.9G12 60°F 61°F30.16
LOPW1 - 9440422 - Longview, WA 39 mi43 min 64°F30.10
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth 45 mi41 minN 7.8G9.7 56°F 58°F8 ft30.1553°F
KLMW1 48 mi43 min 30.08


Wind History for Astoria, OR
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No data


Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KAST ASTORIA RGNL,OR 14 sm65 minNNW 0810 smOvercast64°F50°F60%30.11
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Wind History graph: AST
(wind in knots)
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Tide / Current for Harrington Point, Columbia River, Washington
   
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Harrington Point
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Mon -- 03:19 AM PDT     8.14 feet High Tide
Mon -- 05:23 AM PDT     Sunrise
Mon -- 07:57 AM PDT     Moonset
Mon -- 11:10 AM PDT     -1.63 feet Low Tide
Mon -- 05:19 PM PDT     6.33 feet High Tide
Mon -- 09:10 PM PDT     Sunset
Mon -- 11:03 PM PDT     2.79 feet Low Tide
Mon -- 11:49 PM PDT     Moonrise
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
4.3
1
am
5.9
2
am
7.3
3
am
8.1
4
am
8
5
am
7.1
6
am
5.5
7
am
3.5
8
am
1.6
9
am
0
10
am
-1.1
11
am
-1.6
12
pm
-1.3
1
pm
0.1
2
pm
2
3
pm
3.9
4
pm
5.5
5
pm
6.3
6
pm
6.2
7
pm
5.5
8
pm
4.6
9
pm
3.7
10
pm
3.1
11
pm
2.8


Tide / Current for Knappa, Knappa Slough, Columbia River, Oregon
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Knappa
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Mon -- 03:27 AM PDT     8.67 feet High Tide
Mon -- 05:23 AM PDT     Sunrise
Mon -- 07:57 AM PDT     Moonset
Mon -- 11:16 AM PDT     -1.23 feet Low Tide
Mon -- 05:27 PM PDT     6.91 feet High Tide
Mon -- 09:10 PM PDT     Sunset
Mon -- 11:09 PM PDT     2.58 feet Low Tide
Mon -- 11:48 PM PDT     Moonrise
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
4.1
1
am
5.9
2
am
7.6
3
am
8.6
4
am
8.6
5
am
7.7
6
am
6.2
7
am
4.2
8
am
2.3
9
am
0.6
10
am
-0.6
11
am
-1.2
12
pm
-0.9
1
pm
0.3
2
pm
2.2
3
pm
4.3
4
pm
5.9
5
pm
6.8
6
pm
6.8
7
pm
6.1
8
pm
5
9
pm
3.8
10
pm
3
11
pm
2.6


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




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