Saturday, October16, 2021
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Marine Weather and Tides
Felida, WA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:27AMSunset 6:24PM Saturday October 16, 2021 1:14 AM PDT (08:14 UTC) Moonrise 4:19PMMoonset 1:59AM Illumination 77% Phase: Waxing Gibbous; Moon at 10 days in cycle
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- 240 Pm Pdt Fri Oct 15 2021
.small craft advisory in effect until 5 pm pdt this afternoon...
.small craft advisory in effect from midnight pdt tonight through late tonight...
In the main channel.. - general seas...6 to 8 feet through Saturday night. - first ebb...around 215 am Saturday, with seas near 10 ft. - second ebb...around 245 pm Saturday, with sea near 9 ft. - third ebb...around 300 am Sunday, with seas near 9 ft.
PZZ200 240 Pm Pdt Fri Oct 15 2021
Synopsis for the southern washington and northern oregon coast.. South winds will continue across the waters as a frontal system slowly approaches from the northwest, which is set to push across the coastal waters Saturday afternoon and evening. A secondary front will move over the waters on Sunday before high pressure returns early next week.


7 Day Forecast for Marine Location Near Felida, WA
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location: 45.73, -122.75     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 160453 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 941 PM PDT Fri Oct 15 2021

SYNOPSIS. Dry and mild weather expected through Saturday with areas of morning fog possible. A strong front will push across the region later Saturday night and Sunday. Mostly dry Monday and Tuesday. Then, active weather returns, with rain.

UPDATE. Pushed the chances of rain tonight further north, mainly relegating it into WA. Also the rest of tomorrow, models are stalling the main front into the area, so have nudged PoPs down moving across the northwestern half of the forecast area. At this point, may not see rain even move into the Willamette Valley until Sunday late morning into the afternoon. Will continue to monitor the model trends as well as the advancement of the front.

In terms of fog, will still see patchy to areas of fog, and perhaps even some isolated areas of dense fog, but will be much less widespread or long lasting as this morning. With the sun heating the land and evaporating some of the moisture out earlier today, this will leave less available moisture. Guidance shows less of a signature as they were last night as well. Patchy to areas of fog in the inland valleys looks fine.

SHORT TERM. Tonight through Sunday night . Water vapor satellite imagery Friday afternoon shows a rather moist westerly jet well to the north bringing widespread precipitation to the Olympic Peninsula and south Vancouver Island, while high pressure aloft extending north from California has allowed drier conditions and warming temperatures across much of northwest Oregon. The upper level ridge will slide east tonight and Saturday as the frontal boundary to the north and west remains fairly stationary through Saturday afternoon. This should provide for another pleasant fall day to begin the weekend with some morning fog inland trending toward partly to mostly sunny skies on Saturday. Temperatures will be mild, mainly into the middle to upper 60s, with a few locations possibly reaching 70 degrees in the afternoon.

By Saturday night the front will begin to drop south as a strong upper level low over the Gulf of Alaska moves southeastward. The jet on the backside of the upper trough with core speed of 150 kt will drive much of the upper level support further south of the region on Sunday, with the heavier precipitation likely across southern Oregon and northern California. But do expect widespread rain along the coast by Saturday night and pushing inland on Sunday. Cooler temperatures and cloudy skies are also expected as the front moves through on Sunday. Rainfall amounts though will not likely be too impressive as ensemble mean and NBM guidance suggests around a half inch for the coast and up to a quarter inch trough the inland valley, perhaps a bit more further south. As the upper trough moves across the region Sunday night expect now levels to drop to near pass level. /DH LONG TERM. MONDAY THROUGH THURSDAY . A few lingering showers will be possible early Monday morning as the upper low moves east over the Great Basin. Shortwave upper level ridging will quickly move across the region Monday and Tuesday with another couple days of dry weather likely. Temperatures should return to seasonable normals before the next system approaches mid-week. Deterministic models show a strong upper level trough swinging over the northeast Pacific then lifting across Pacific NW coast late Tuesday and Wednesday. A strong frontal system will be possible with precipitation likely returning to the area. Most ECMWF ensemble members show at least light rainfall but at this time doesn't look too wet. Winds with this system could be gusty, especially along the coast and through the coastal gaps and Columbia Gorge. Another strong low pressure system is currently forecast to develop well offshore which will keep the active weather pattern going through at least the end of the week. /DH

AVIATION. At 0430Z, a nearly stationary frontal boundary and a band of stratiform rain was draped across northwest Washington. This frontal boundary is not expected to move much until it begins to sag southward Saturday night into Sunday, reaching the coast by approximately 12-14Z Sunday before pushing inland. Until then, expect areas of LIFR fog and low clouds to redevelop across the Willamette Valley tonight, mainly after 09Z. Not expecting fog to be as widespread tonight as it was last night. Along the coast, MVFR cigs should eventually develop, but the exact timing is uncertain. At this point, it appears MVFR cigs could develop at KAST anytime between 06-12Z. Uncertainty is even higher at KONP, which may stay VFR altogether. -TK

For detailed regional Pac NW aviation weather information, go online to: https://weather.gov/zse

KPDX AND APPROACHES . VFR through at least 10Z Saturday. There is the potential for cigs to lower into MVFR thresholds after 12Z Saturday, but confidence is low. Expect low clouds to scatter out between 17-20Z Saturday. -TK

MARINE. Seas continue at 8 to 11 feet which is 1 to 2 ft above model guidance. Therefore, will maintain significant wave heights around 1-2 feet above guidance through tonight as sea state conditions do not look to change much. Expect gusty south winds between 20-30 kt to continue through tomorrow ahead of an incoming cold front set to push across the waters tomorrow afternoon and evening. The strongest winds are expected over the northern waters. PZZ255 looks to be the least windy, with gusts in the 15-20 kt range.

A broad area of low pressure crosses the waters Sunday before weak high pressure builds in early next week. This will bring weak winds for Monday, however a northwest swell should keep seas up around 9 to 10 feet. Model guidance continues to indicate a deep low entering the northeast Pacific by Tuesday, before a cold front pushes across the coastal waters Tuesday night into Wednesday. Offshore flow is expected Monday night and Tuesday before this front arrives. As a result, expect locally breezy conditions over the inner waters for locations downwind of gaps in the coastal terrain. -TK

PQR WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None. PZ . Small Craft Advisory until 11 PM PDT Saturday for coastal waters from Cape Shoalwater WA to Cascade Head OR out 60 nm.Waters from Cascade Head to Florence OR from 10 to 60 nm.

Small Craft Advisory until 4 AM PDT Saturday for Columbia River Bar.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LOPW1 - 9440422 - Longview, WA 28 mi56 min 60°F1020.8 hPa
ASTO3 - 9439040 - Astoria, OR 63 mi56 min SSE 6G8.9 59°F 59°F1019.1 hPa
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 63 mi56 min 56°F1020.3 hPa

Wind History for Longview, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Scappoose Industrial Airpark, OR7 mi21 minN 01.00 miFog/Mist46°F45°F96%1021 hPa
Pearson Airfield, WA9 mi21 minN 010.00 miMostly Cloudy52°F49°F89%1021.3 hPa
Portland, Portland International Airport, OR11 mi21 minESE 410.00 miMostly Cloudy53°F49°F86%1021.2 hPa
Portland-Hillsboro Airport, OR17 mi22 minN 00.25 miFog43°F43°F100%1021 hPa
Portland, Portland-Troutdale Airport, OR22 mi21 minENE 310.00 miOvercast49°F45°F86%1021.4 hPa

Link to 5 minute data for KSPB

Wind History from SPB (wind in knots)
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Tide / Current Tables for Vancouver, Columbia River, Washington (dubious accuracy)
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Vancouver
Click for Map
Sat -- 02:58 AM PDT     Moonset
Sat -- 03:50 AM PDT     1.43 feet High Tide
Sat -- 07:29 AM PDT     Sunrise
Sat -- 12:17 PM PDT     -0.17 feet Low Tide
Sat -- 05:18 PM PDT     Moonrise
Sat -- 05:32 PM PDT     1.30 feet High Tide
Sat -- 06:22 PM PDT     Sunset
Sat -- 06:30 PM PDT     1.29 feet Low Tide
Sat -- 08:16 PM PDT     1.33 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Knappa, Knappa Slough, Columbia River, Oregon
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Knappa
Click for Map
Sat -- 03:01 AM PDT     Moonset
Sat -- 06:16 AM PDT     -0.02 feet Low Tide
Sat -- 07:33 AM PDT     Sunrise
Sat -- 12:10 PM PDT     7.37 feet High Tide
Sat -- 05:23 PM PDT     Moonrise
Sat -- 06:25 PM PDT     Sunset
Sat -- 06:34 PM PDT     1.55 feet Low Tide
Sat -- 11:57 PM PDT     7.23 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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