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

April 19, 2024 2:44 PM PDT (21:44 UTC) Change Location
Sunrise 6:14 AM   Sunset 8:06 PM
Moonrise 3:00 PM   Moonset 3:58 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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Marine Forecasts
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PZZ210 Columbia River Bar- 247 Am Pdt Fri Apr 19 2024

In the main channel -

General seas - 2 to 4 ft through Saturday morning.

First ebb - Ebb current of 3.31 kt at 239 am Friday. Seas 4 ft.

SEcond ebb - Ebb current of 3.75 kt at 249 pm Friday. Seas 4 ft.

Third ebb - Ebb current of 3.96 kt at 322 am Saturday. Seas 4 ft.

PZZ200 247 Am Pdt Fri Apr 19 2024

Synopsis for the southern washington and northern oregon coast - High pressure east of the cascades with a thermal trough along the oregon coast continues through Friday afternoon. The thermal trough breaks down as a front approaches the waters tonight and moves through the waters Saturday.


7 Day Forecast for Marine Location Near Westport, OR
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Area Discussion for - Portland, OR
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FXUS66 KPQR 191711 AAA AFDPQR

Area Forecast Discussion...UPDATED National Weather Service Portland OR 1011 AM PDT Fri Apr 19 2024

Updated aviation and short term discussion.

SYNOPSIS
High pressure holding steady over the region through tonight, with another mild day on tap, along with breezy east to northeast winds on the west slopes of the Cascades and to some degree, the Coast Range. Cooler for Saturday, as a front moves across the region. May see spotty light rain as well on Sat into Sat night. Dry and mild again to start next week, but cooler showery weather returns by Wed.

SHORT TERM
Now through Sunday...Overall, not much change today. Coastal and mountainous areas will see highs today in the 60s, while lowland valley locations will see temperatures once again in the 70s. Have boosted todays highs over what NBM (National Blend of Models guidance) has as NBM is often behind the 8-ball with such offshore patterns. Gradients will pick up again, mostly in response to daytime heating on the west side.
Generally, east to northeast winds gusting 15-30 mph in the usual spots (those exposed to east winds) such as along the coast into the Coast Range. Bit stronger with gusts up to 40 mph in the Cascade foothills and perhaps parts of the east Portland/Vancouver metro into the western Columbia Gorge for the afternoon/evening. Winds more north to northeast as move south of Portland towards Salem and Eugene and not as strong with gusts maxing at near 15 mph.

Still expecting a mild wind-reversal along the coast in the afternoon, with east to northeast winds becoming southerly to south of Florence in the afternoon, and as far north as Newport by sunset as the thermal trough shifts inland to sit over the Coast Range. This will allow for cooler ocean air to spread back across the coastal zones at that time. But, offshore flow persists on to the north overnight, such as at Astoria. Likely be one of those afternoons where Newport cools to 59 with light south wind, while Astoria is around 70 with an east wind in the late afternoon.

Changes gradually arrive tonight into Sat, as a front well offshore approaches. Will see offshore flow gradually weaken tonight. Mid and high clouds increasing later tonight into Sat. Models have been slowing the front, and like that trend. Few sprinkles along the coast Sat am, but think main rain arrives along the coast towards noon, with spotty rain or showers spreading further inland in the afternoon. With the bulk the lift with the front staying farther north over Washington, rainfall amounts will vary across the region, with 0.10 to 0.25 inch along the coast/coastal mountains, and 0.02 to 0.10 for the inland areas. With the onshore flow and clouds, will be cooler on Sat, with the 50s along the coast, and upper 50s to lower 60s inland.

High pressure offshore will being building inland on Sunday. This will end the shower potential, with morning clouds giving way to mix of sunshine and clouds. Overall, fairly pleasant day, with temperatures near that expected for mid-April. -Rockey

LONG TERM
(MONDAY THROUGH THURSDAY)....Ensemble guidance points towards another transitory ridge shifting across the region Monday into Tuesday, with dry and mild weather. Will trend temperatures back to the 60s along the coast, and 70s for interior lowlands. But, models area back to bringing another upper trough to the region by mid-week. As such, would see a bit cooler temperatures again, along with increasing potential of showers. -Rockey



AVIATION
VFR over the next 24 hours as high pressure begins to weaken. Weak gap flow through east-west aligned terrain is causing gusty winds around KPDX, KHIO, and KTTD. Winds are gusting as high as 35 kt this morning at KPDX, and will intensify in the area through around 00Z Saturday. High pressure begins to erode this evening and will see a high level VFR stratus shield develop after 10Z Saturday. Will see a wind directional shift along the coast as a weak front pushes in from the Pacific. Precipitation is expected, though not looking at any impacts to VIS. Right at the end of the forecast period, ceilings will begin to lower starting along the coast, especially at KONP. There is around a 75% chance that IFR conditions will be present from KTMK southward along the coast - though likely right after this TAF forecast period.

Notes: Wind at KHIO will be unavailable overnight between 04Z and 13Z. The ASOS at KTTD is only available via the dial in option.
The AWOS at KMMV is still out of commission. As it is not maintained locally by the National Weather Service, there is no estimated time of repair.

PDX AND APPROACHES...VFR through the next 24 hours. Gusty east winds due to high pressure will persist through the afternoon with the peak period being between 18Z Friday - 00Z Saturday. No other concerns at this time. -Muessle

MARINE
East to northeast winds today as high pressure resides east of the Cascades and a thermal trough over western WA/OR. This pattern breaks down tonight as a Pacific front approaches. Southerly winds increase through the day Saturday as the front moves through the waters, with Small Craft winds and choppy seas likely into Sunday. Seas building to 8 to 12 ft Saturday with the front, then settle to around 8 ft Sunday. -MH

PQR WATCHES/WARNINGS/ADVISORIES
OR...None.
WA...None.
PZ...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
LOPW1 - 9440422 - Longview, WA 19 mi57 min 52°F30.05
KLMW1 28 mi57 min 30.04
46243 - Clatsop Spit, OR - 162 43 mi49 min 53°F3 ft


Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KKLS SOUTHWEST WASHINGTON RGNL,WA 22 sm48 minSSE 0810 smClear70°F25°F18%30.06
Link to 5 minute data for KKLS


Wind History from 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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Fri -- 12:06 AM PDT     7.06 feet High Tide
Fri -- 04:58 AM PDT     Moonset
Fri -- 06:19 AM PDT     Sunrise
Fri -- 06:34 AM PDT     1.98 feet Low Tide
Fri -- 11:54 AM PDT     6.69 feet High Tide
Fri -- 04:00 PM PDT     Moonrise
Fri -- 06:55 PM PDT     0.81 feet Low Tide
Fri -- 08:08 PM PDT     Sunset
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
7.1
1
am
6.8
2
am
6
3
am
5
4
am
3.8
5
am
2.7
6
am
2.1
7
am
2.1
8
am
2.8
9
am
4
10
am
5.3
11
am
6.3
12
pm
6.7
1
pm
6.3
2
pm
5.5
3
pm
4.3
4
pm
3.1
5
pm
2
6
pm
1.1
7
pm
0.8
8
pm
1.3
9
pm
2.6
10
pm
4.3
11
pm
6



Tide / Current for Harrington Point, Columbia River, Washington
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Harrington Point
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Fri -- 04:59 AM PDT     Moonset
Fri -- 06:19 AM PDT     Sunrise
Fri -- 06:28 AM PDT     2.10 feet Low Tide
Fri -- 11:46 AM PDT     6.10 feet High Tide
Fri -- 04:00 PM PDT     Moonrise
Fri -- 06:49 PM PDT     0.74 feet Low Tide
Fri -- 08:08 PM PDT     Sunset
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
6.5
1
am
6.2
2
am
5.5
3
am
4.6
4
am
3.6
5
am
2.7
6
am
2.2
7
am
2.2
8
am
2.9
9
am
3.9
10
am
5
11
am
5.9
12
pm
6.1
1
pm
5.7
2
pm
4.9
3
pm
3.8
4
pm
2.7
5
pm
1.7
6
pm
0.9
7
pm
0.8
8
pm
1.3
9
pm
2.6
10
pm
4.2
11
pm
5.7




Weather Map
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Portland, OR,



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