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PZZ210 Columbia River Bar- 139 Pm Pdt Tue Oct 3 2023
.small craft advisory in effect from 6 pm to 10 pm pdt this evening...
In the main channel..
General seas..7 ft subsiding to 4 ft Wednesday evening.
First ebb..Strong ebb current of 5.69 kt at 816 pm Tuesday. Seas 8 ft.
SEcond ebb..Ebb current of 2.87 kt at 847 am Wednesday. Seas 5 ft.
Third ebb..Ebb current of 5.0 kt at 905 pm Wednesday. Seas 4 to 5 ft.

PZZ200 139 Pm Pdt Tue Oct 3 2023
Synopsis for the southern washington and northern oregon coast.. High pressure will strengthen offshore today and promote moderate northerly breezes through the rest of the week. More active weather returns early next week.

FXUS66 KPQR 031833 AAA AFDPQR

Area Forecast Discussion...UPDATED National Weather Service Portland OR 1133 AM PDT Tue Oct 3 2023

Aviation Discussion Updated...

SYNOPSIS
Few showers around today into Wed am, but overall, back to drier weather. High pressure will build over the inland Pac NW for Wed through Sat, bringing warm days and cool nights, as well as dry weather. May have some valley fog in areas tonight and again Wed night. Mother Nature turns switch back to fall weather by early next week, with clouds and rain returning.

.SHORT TERM (TODAY THROUGH THURSDAY)...
Still have rather robust onshore flow this am, with clouds and a few showers around. Even areas of drizzle with the upslope flow against the Cascades. But, as the day progresses, will see clouds gradually break apart, giving way to more sunshine this afternoon as high pressure begins to build over the Pac NW. Temperatures should rebound to the lower 70s inland, with 60s along the coast.

Clearing skies this evening, combined with decreasing winds, wet ground, and relatively moist near-surface layer, should see areas of fog form. Some of this fog could be dense in spots to south of Salem through Albany/Corvallis on south across Eugene/Springfield area. A passing weak upper level feature in the northwest flow well offshore will push into western Washington later tonight into Wed. As such, will see bit more in way of clouds and even some showers along the coast north of Lincoln City, and then off to the north across western Washington. WIth that, any fog that forms in those areas will be more patchy in nature.

High pressure will build stronger later Wed and remain over the inland Pac NW through Thu. This will bring clearing skies Wed night, with another round of fog in the valleys. Rather mild day for Thu, with highs warmer, with 75 to 82 inland, and upper 60s to mid 70s along the coast.

LONG TERM
Friday through Monday...Strong high pressure remains anchored over the inland Pac NW Fri into Sat, with offshore flow.
The offshore flow will carry warm temperatures all the way to the coast, so anyone in the lowlands - coast or inland - have a good chance of reaching the lower 80s Friday and Saturday.

But, increasing zonal flow by Sun and Mon will ensure cooler temperatures, along with clouds and rain returning. First of the stronger fronts will arrive later Mon.

AVIATION
Low clouds linger in our region, bringing a mix of IFR/MVFR cigs and vis to most terminals. Conditions are expected to improve to VFR for most inland terminals around 21-00z Wednesday. Coastal terminals have a 20-40% chance of maintaining MVFR/IFR cigs from 21-08z Wednesday. Conditions are then expected to be primed along the northern coast for widespread fog development and lower flight categories tonight as pressure builds into the region.

KPDX AND APPROACHES...Expect prevailing VFR cigs periodically lowering to MVFR through early afternoon as rain continues to taper off. Prevailing VFR expected after 21-00z Wed through the evening hours. Fog development and lower flight categories will be possible after 09z Wed. /JH

MARINE
High pressure starting to build offshore this afternoon and will promote a summer- like northerly wind regime for much of the rest of the week. Inland heating trend will yield a strengthening thermal trough near the OR-CA border which will produce stronger winds over the southern OR coastal waters in the vicinity of Cape Blanco today and Wednesday. Expect these stronger winds to gradually expand northward up the coast such that a new round of Small Craft Advisories may be needed south of Cape Falcon Wednesday night into Thursday. Meanwhile, seas in the short term will be dominated by a lingering westerly swell around 8 feet at 13-15 seconds as shorter period wind-driven seas subside this morning, keeping seas in the 7 to 9 ft range into tonight before subsiding to 5 to 7 feet by Wednesday. JH/CB

PQR WATCHES/WARNINGS/ADVISORIES

OR...None.
WA...None.
PZ...Small Craft Advisory from 6 PM to 10 PM PDT this evening for Columbia River Bar.

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Seaside
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Tue -- 04:11 AM PDT     4.76 feet High Tide
Tue -- 07:16 AM PDT     Sunrise
Tue -- 10:45 AM PDT     0.99 feet Low Tide
Tue -- 12:45 PM PDT     Moonset
Tue -- 03:26 PM PDT     5.92 feet High Tide
Tue -- 06:51 PM PDT     Sunset
Tue -- 09:06 PM PDT     Moonrise
Tue -- 11:51 PM PDT     -0.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Seaside, 12th Avenue bridge, Necanicum River, Oregon, Tide feet

Warrenton
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Tue -- 04:54 AM PDT     6.85 feet High Tide
Tue -- 07:16 AM PDT     Sunrise
Tue -- 10:17 AM PDT     1.97 feet Low Tide
Tue -- 12:46 PM PDT     Moonset
Tue -- 04:17 PM PDT     8.53 feet High Tide
Tue -- 06:51 PM PDT     Sunset
Tue -- 09:05 PM PDT     Moonrise
Tue -- 11:19 PM PDT     -0.64 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Warrenton, Skipanon River, Columbia River, Oregon, Tide feet

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