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

April 15, 2024 8:18 AM PDT (15:18 UTC) Change Location
Sunrise 6:20 AM   Sunset 7:58 PM
Moonrise 10:26 AM   Moonset 2:12 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.

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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 151014 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 312 AM PDT Mon Apr 15 2024

SYNOPSIS
Onshore flow will maintain plenty of clouds and cooler temperatures across the region for next few days, along with a few showers. High pressure builds across region for Wed to Fri, with return of mild dry weather. Bit more unsettled for next weekend, with more clouds and perhaps even some showers.

.SHORT TERM (TODAY THROUGH WEDNESDAY)...
A weakening upper trough is slowly pushing into the region today, though main core of the system remains well to the north over north Washington into southern British Columbia. Rather zonal flow aloft off the Pacific into the Pacific NW today into tonight. System offshore is not all that strong, and as such, will maintain some light showers across the region today into tonight, mainly over the higher terrain. Even so, rainfall amounts will not be all that much, generally 0.05 to 0.20, with highest amounts over the south Washington Cascades into the far north Oregon Cascades. Likely to see only a trace to perhaps up to 0.05 inch for inland lowlands, such as Vancouver/Portland area and southward to Eugene.

Onshore flow will maintain plenty of clouds today, with only partial clearing later this afternoon though not all that confident that will see many breaks in the clouds). Again, cooler today with highs in the mid to upper 50s, which is what would expect for mid-April).

Overall, not a lot of change for the region for Tuesday, as will maintain moderate onshore flow. But, do think the shower potential will mainly be more over Washington, as well as the higher terrain north of Tillamook to Portland to Mt Hood line. Surface ridge axis will be shifting northward slowly during the afternoon. As such, would expect to see clouds breaking apart, mainly over western Oregon. Would not be surprised if Salem southward through the Eugene/Springfield area becoming partly to mostly sunny in the afternoon.

High pressure offshore continues to strengthen on Tuesday night into Wednesday. Air mass will be drier Tuesday night, and with clearing skies and light winds, temperatures will drop into the lower to middle 30s over most of the region (away from the immediate coast).
As such, will have to monitor, as may have areas of frost later Tue night into early Wed am. Otherwise, after a chilly start, should end up with rather pleasant Wednesday, with sunny skies and temperatures back 55 to 60 along the coast, and 60 to 65 for most of the interior lowlands east of the Coast Range/Willapa Hills. /Rockey


LONG TERM
(THURSDAY THROUGH SATURDAY)...The ridging pattern continues through the rest of the next workweek, with warmer temperatures and dry conditions. Temperatures on Thursday and Friday look to become warm again, with With a shift to offshore flow beginning Thursday, breezy winds through the Columbia Gorge will be possible; gusts up to 25-30mph will be possible Thursday midday through Saturday morning.

On Saturday, while ensemble guidance is still pointing mostly towards ridging continuing, there does appear to be the possibly of another trough developing off west in the Pacific Ocean. There's a 20% chance this trough approaching close enough to begin developing some light rain showers and cooler temperatures. On Sunday, chance of a trough being in place increases to around 30%. /JLiu

AVIATION
Low VFR stratus has developed across all sites this morning with coastal sites fluctuating between VFR and MVFR cigs.
Fortunately, in the Portland area through the Willamette Valley this stratus likely remains at or above 3.5kft resulting in VFR conditions persisting. A weak front is also expected to move across the area this morning with very sporadic light showers possible. Going forward, low VFR are CIGS expected to lift through Monday afternoon. Northwest winds again increase along the coast with gusts up to 15-20 kt after 18Z today before decreasing this evening.

PDX AND APPROACHES...Predominately VFR conditions expected through the TAF period as stratus overhead stays at or above 3.5-4kft, gradually lifting as the day progresses. Still, there an off chance(20-30%) for CIGS to touch MVFR conditions before 18Z Monday. Northwest winds around 5-10 kt through the period, strongest during afternoon and evening hours. /Schuldt

MARINE
Headed through today a cut-off low continues to push through the Great Basin while weak ridging aloft slowly builds overhead. Fortunately this'll allow surface pressure gradients over the waters to ease thus allowing winds to decrease as well. A Small Craft Advisory remains in effect for the waters north of Cape Falcon this morning before seas/winds finally fall below criteria. Late Monday through Tuesday the region gets brushed by an upper-level trough dropping into northeast Washington bringing a 50-60% probability of Small Craft wind gusts for the outer waters late Tuesday and Tuesday night. Towards the end of the week, guidance continues to show a ridging pattern developing which in turn would likely lead to continued N to NE flow at the surface. Come Friday into the weekend seas settle around 3 to 5 feet at 13 to 15 seconds. /Schuldt


PQR WATCHES/WARNINGS/ADVISORIES
OR...None.
WA...None.
PZ...Small Craft Advisory until 11 AM PDT Monday for PZZ210-251-271.




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Tide / Current for Vancouver, Columbia River, Washington (dubious accuracy)
   
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Vancouver
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Mon -- 01:06 AM PDT     1.15 feet High Tide
Mon -- 03:15 AM PDT     Moonset
Mon -- 03:33 AM PDT     0.98 feet Low Tide
Mon -- 05:49 AM PDT     1.12 feet High Tide
Mon -- 06:23 AM PDT     Sunrise
Mon -- 08:45 AM PDT     0.77 feet Low Tide
Mon -- 11:30 AM PDT     Moonrise
Mon -- 12:14 PM PDT     First Quarter
Mon -- 12:38 PM PDT     1.64 feet High Tide
Mon -- 07:58 PM PDT     Sunset
Mon -- 09:34 PM PDT     0.01 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
am
1.2
2
am
1.1
3
am
1
4
am
1
5
am
1.1
6
am
1.1
7
am
1
8
am
0.8
9
am
0.8
10
am
1
11
am
1.3
12
pm
1.6
1
pm
1.6
2
pm
1.4
3
pm
1.1
4
pm
0.8
5
pm
0.8
6
pm
0.7
7
pm
0.6
8
pm
0.3
9
pm
0.1
10
pm
0
11
pm
0.3



Tide / Current for Knappa, Knappa Slough, Columbia River, Oregon
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Knappa
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Mon -- 01:49 AM PDT     3.12 feet Low Tide
Mon -- 03:22 AM PDT     Moonset
Mon -- 06:26 AM PDT     Sunrise
Mon -- 06:59 AM PDT     7.21 feet High Tide
Mon -- 11:30 AM PDT     Moonrise
Mon -- 12:14 PM PDT     First Quarter
Mon -- 03:11 PM PDT     0.52 feet Low Tide
Mon -- 08:02 PM PDT     Sunset
Mon -- 09:28 PM PDT     6.05 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
3.8
1
am
3.3
2
am
3.1
3
am
3.6
4
am
4.8
5
am
6
6
am
6.9
7
am
7.2
8
am
7
9
am
6.2
10
am
5.1
11
am
3.8
12
pm
2.7
1
pm
1.7
2
pm
0.9
3
pm
0.5
4
pm
0.8
5
pm
1.6
6
pm
2.8
7
pm
4.1
8
pm
5.3
9
pm
6
10
pm
6
11
pm
5.5




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Portland, OR,



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