Cascade Locks, OR Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Cascade Locks, OR

June 14, 2024 7:43 AM PDT (14:43 UTC) Change Location
Sunrise 5:18 AM   Sunset 9:02 PM
Moonrise 12:38 PM   Moonset 12:32 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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7 Day Forecast for Marine Location Near Cascade Locks, OR
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Area Discussion for - Portland, OR
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FXUS66 KPQR 140957 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 254 AM PDT Fri Jun 14 2024

SYNOPSIS
A bit cooler today, as weakening front arrives. Unsettled weather for the weekend, with onshore flow, clouds and even showers. High pressure rebuilds offshore early next week, with dry and mild weather returning towards middle of next week.

Key Messages...

- Cooler, with increasing clouds today. Chance of showers along the coast (Tillamook northward) and west Washington.

- Showers Saturday through Monday. A small chance (15-25%)
of afternoon/evening thunderstorms on Sat and maybe Sun.

- High pressure builds next week, bringing dry and warm conditions back to the region later next week.

SHORT TERM
Now through Sunday...
Today is a transition day, with increasing onshore flow. This will result in cooler temperatures today, along with breezy westerly winds over the high terrain, as well as through the Columbia Gorge. A weak front offshore push onshore today, but not much in way of any precipitation, aside from a few showers along the coast.

Broad upper trough offshore and over the Gulf of Alaska will push into the Pac NW Fri night and Sat. As such, will see bit cooler air aloft, with showers increasing. But, overall, precipitation amounts not all that impressive, with most areas getting 0.10 inch or less.
Given potential of breaks in the clouds on Sat, could see a few 'beefier' showers, with potential of bit more rain. Add to that, may get enough instability to support a few thunderstorms. Will maintain current forecasts, with little change.

More clouds around the region on Sat, than to continued moderate to strong onshore flow. Still, will maintain high chance of showers as upper level disturbance in the westerly flow shifts inland and over the inland Pac NW. Will keep small (15-25%) chance of thunderstorms, but bit question will be whether or not will get enough breaks in the clouds to boost low level warming, and hence any steepening of lapse rates. With more warming, better the chance of a few thunderstorms, while less sun breaks and thus less warming, the lower the potential for thunderstorms. Based on current trends, any thunderstorms likely to remain rather isolated at best on Sat.
Showers decreasing Sat night.

Sunday remains to be challenging forecast. Some models still have somewhat unstable air mass over the region, supporting showers. But, more recent runs of GFS and NAM models indicate decent potential of showers, given upper trough shifting overhead. But, does seem this potential decreasing through the day, given main upper support is swinging east of the Cascades. WIll make no big changes in forecasts, but if trends continue, Sunday could be more dry than current expected. But, still plenty of clouds and coolish.

LONG TERM
(Monday through Thursday)...Still have upper trough over the region on Monday, with continued showers. By Tuesday, most models (GFS, UKMET and ECMWF) show upper trough shifting well east of the Cascades. So, shower potential will end in the afternoon for most all areas except the Cascades. High pressure offshore will build again for middle of next week, bringing return of dry weather. Overall air mass will gradually warm again, with return of bit warmer than normal temperatures. Will trend to 60s along the coast, and 70s inland.

AVIATION
Inland terminals are all seeing clear sky VFR conditions, while the coast is seeing intermittent low marine cloud cover ahead of a weak front arriving around 15-16z Thu, reducing conditions to MVFR at times at coastal terminals. Threat of MVFR conditions at the coast should end by around 19-20z Fri, after which VFR conditions should stay locked in for the rest of Friday. Winds are fairly light and variable at all terminals, with winds generally under 6 kt. Slightly stronger southerly winds pick up with the frontal passage, up to maybe 10-15 kt at times.

The front reaches inland around 20z or so, creating a low end VFR deck. Chance for MVFR ceilings has decreased to under 10%, and impacts looks to be minimal other than maybe a few light showers.
Winds gradually shift westerly and weaken after the frontal passage ends.

PDX AND APPROACHES...VFR under clear skies. Northwesterly winds are currently under 8 kts. A weak front reaches the area around 20z, possibly bringing some weak showers and slightly stronger southerly winds up to 10 kt, but chances are under 10% of MVFR ceilings. Expect a low end VFR broken deck to develop at that time. Winds will shift westerly and weaken after the front passes.
/JLiu

MARINE
Small Craft Advisory has ended for all waters, and winds are currently near zero. Seas are currently around 5-7 ft at 11 seconds, and swells should not change much over the next few days.
A weak front will bring some slightly stronger southerly winds Friday morning, and will be followed by a stronger front around midnight Friday night. This marks a return to relatively stronger, westerly winds across all waters. Seas will be slightly elevated Saturday due to this front, rising to 5 to 7 ft on Sunday, before subsiding again towards 4 to 6 ft by the start of the upcoming week. /42/JLiu

PQR WATCHES/WARNINGS/ADVISORIES

OR...None.
WA...None.
PZ...None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
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Wind History graph: CZK
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Tide / Current for Vancouver, Columbia River, Washington (dubious accuracy)
   
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Vancouver
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Fri -- 01:36 AM PDT     Moonset
Fri -- 01:40 AM PDT     1.41 feet High Tide
Fri -- 04:53 AM PDT     1.07 feet Low Tide
Fri -- 05:20 AM PDT     Sunrise
Fri -- 06:07 AM PDT     1.10 feet High Tide
Fri -- 09:49 AM PDT     0.50 feet Low Tide
Fri -- 01:35 PM PDT     1.30 feet High Tide
Fri -- 01:40 PM PDT     Moonrise
Fri -- 05:30 PM PDT     0.67 feet Low Tide
Fri -- 06:44 PM PDT     0.70 feet High Tide
Fri -- 09:01 PM PDT     Sunset
Fri -- 09:59 PM PDT     0.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Vancouver, Columbia River, Washington (dubious accuracy), Tide feet
12
am
1.1
1
am
1.4
2
am
1.4
3
am
1.3
4
am
1.1
5
am
1.1
6
am
1.1
7
am
1
8
am
0.8
9
am
0.6
10
am
0.5
11
am
0.7
12
pm
1
1
pm
1.3
2
pm
1.3
3
pm
1.1
4
pm
0.8
5
pm
0.7
6
pm
0.7
7
pm
0.7
8
pm
0.6
9
pm
0.4
10
pm
0.3
11
pm
0.4


Tide / Current for Knappa, Knappa Slough, Columbia River, Oregon
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Knappa
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Fri -- 01:40 AM PDT     Moonset
Fri -- 03:14 AM PDT     2.39 feet Low Tide
Fri -- 05:22 AM PDT     Sunrise
Fri -- 08:18 AM PDT     5.83 feet High Tide
Fri -- 01:44 PM PDT     Moonrise
Fri -- 03:10 PM PDT     1.25 feet Low Tide
Fri -- 09:07 PM PDT     Sunset
Fri -- 09:22 PM PDT     7.13 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
4.5
1
am
3.5
2
am
2.8
3
am
2.4
4
am
2.6
5
am
3.4
6
am
4.5
7
am
5.3
8
am
5.8
9
am
5.7
10
am
5.1
11
am
4.2
12
pm
3.2
1
pm
2.3
2
pm
1.6
3
pm
1.3
4
pm
1.5
5
pm
2.4
6
pm
3.8
7
pm
5.2
8
pm
6.4
9
pm
7.1
10
pm
7
11
pm
6.4


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




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