Sunday, September27, 2020
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Marine Weather and Tides
Astoria, OR

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:04AMSunset 7:00PM Sunday September 27, 2020 12:32 AM PDT (07:32 UTC) Moonrise 4:52PMMoonset 1:30AM Illumination 76% 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- 259 Pm Pdt Sat Sep 26 2020
In the main channel.. - general seas...4 to 6 ft through Saturday night, subsiding to 2 to 4 ft Sunday. - first ebb...around 2 am Sunday. Seas to 7 ft. - second ebb...around 245 pm Sunday. Seas to 6 ft. - third ebb...around 245 pm Sunday. Seas to 6 ft.
PZZ200 259 Pm Pdt Sat Sep 26 2020
Synopsis for the southern washington and northern oregon coast.. High pressure aloft builds Saturday night and strengthens through early next week. Surface thermal low pressure pushes north from california Sunday for northerly winds then northeasterly winds across the waters Monday and Tuesday.


7 Day Forecast for Marine Location Near Astoria, OR
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location: 46.19, -123.85     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 270411 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 905 PM PDT Sat Sep 26 2020

SYNOPSIS. Decreasing showers tonight will be followed by high pressure aloft and dry and mild weather for much of the next week.

SHORT TERM. Tonight through Tuesday . Water vapor satellite imagery this evening reveals a shortwave trough diving east-southeastward into the northern Great Basin and Rocky Mountain states. Shortwave ridging in its wake is building across the Pacific Northwest. Between the loss of daytime heating and a lowering subsidence inversion, shower chances should continue to diminish from south to north across the CWA overnight.

Made a few minor adjustments to the grids to reflect the latest trends in PoPs and clouds. In addition, enhanced fog wording in the Coast Range valleys and Willamette Valley where decreasing winds and clear skies should allow areas of fog to develop later tonight into Sunday morning. Increasing northerly winds on Sunday may result in fog and low clouds persisting in the southern Willamette Valley a bit longer than elsewhere. Otherwise, expect a pleasant fall day with high temperatures climbing into the 70s for inland locations.

Upper level high pressure is still on track to shift squarely overhead Sunday night into Monday. Modest east winds will develop during this time and warm up the area Monday into Tuesday. Temperatures aloft will support near record temperatures for the date, but given the time of year and recent rains, it will be difficult for these warm temperatures aloft to be realized at the surface. Nonetheless, high temperatures should still rise into the 80s both days.

Finally, some smoke from any lingering wildfire activity could impact our CWA early next week, but recent rains have put a major damper on wildfire activity and suspect fuels are wet enough that smoke production will be limited at best initially. /Neuman

LONG TERM. Tuesday night through Friday . There is general agreement among the models that the upper ridge axis will begin to shift inland Tuesday night and gradually progress eastward through the week. The thermally induced surface trough will likely shift inland over the Cascades Wednesday afternoon and evening. This will allow for light onshore flow and some marine influence to return to the coastal areas. Elsewhere a generally light continuation of offshore flow will continue drying and above normal daytime temperatures with nighttime lows near normal.

AVIATION. 06Z TAFs: Showers continue to wind down this evening with VFR conditions prevailing. However expect MVFR conditions with some showers. Should then see clearing skies overnight that will result in fog or low stratus along the central coast later this evening and eventually for the north coast and typical favored inland areas overnight. One notable difference, today was warmer and drier today so fog/stratus will take a little longer to develop. Fog/low stratus will largely dissipate near 27/18Z as flow becomes increasingly northerly then offshore late Sunday afternoon.

Refer to http://weather.gov/zse for detailed regional aviation weather and hazard information.

KPDX AND APPROACHES . VFR with few showers over western approaches. Expect residual moisture will form into an MVFR stratus cig at 015-025 for the morning arrivals. VFR returns by 27/18Z. /JBonk

MARINE. Winds will continue to weaken and veer to the northwester tonight as high pressure builds over the northeast Pacific. Winds will become more northeasterly by late tonight/early Sunday and persist into early next week as thermally induced low builds up the northern CA and OR coastline. This will bring SCA level winds to the waters starting Sunday evening and last though Monday evening, possibly Tuesday morning. Will issue a SCA to cover the winds for all the waters, however the inner water wind threat will eventually be confined to downwind of the river mouths/coast range gaps.

As winds ease, distant swell from low pressure in the far northern Gulf of Alaska will send a building westerly swell across the waters. Combined seas likely reach 10-12 feet late Monday afternoon. If so, this would be a fairly quick hit as seas would then ease below 8 feet by late Tuesday morning. Have included this period at the end of the wind threat portion of the SCA. Seas then subside to near 5 feet before building toward 8 feet again later in the week. /JBonk

PQR WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None. PZ . Small Craft Advisory from 4 PM Sunday to 10 AM PDT Tuesday for coastal waters from Cape Shoalwater WA to Florence OR out 60 NM.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ASTO3 - 9439040 - Astoria, OR 5 mi45 min SSW 5.1 G 7 60°F 64°F1025.6 hPa
46243 - Clatsop Spit, OR - 162 15 mi37 min 56°F7 ft
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth 34 mi33 min NE 3.9 G 5.8 61°F 1026.1 hPa (+1.6)57°F
TOKW1 - 9440910 - Toke Point, WA 36 mi45 min N 4.1 G 5.1 55°F 60°F1026 hPa
46248 - Astoria Canyon, OR (179) 42 mi37 min 63°F8 ft
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 44 mi45 min 58°F1026.7 hPa
LOPW1 - 9440422 - Longview, WA 48 mi45 min 65°F1026 hPa

Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Astoria, Astoria Regional Airport, OR3 mi38 minSW 510.00 miPartly Cloudy58°F55°F93%1025.6 hPa

Link to 5 minute data for KAST

Wind History from AST (wind in knots)
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Tide / Current Tables for Astoria (Youngs Bay), Columbia River, Oregon
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Astoria (Youngs Bay)
Click for Map
Sun -- 02:30 AM PDT     Moonset
Sun -- 05:09 AM PDT     -0.14 feet Low Tide
Sun -- 07:09 AM PDT     Sunrise
Sun -- 11:32 AM PDT     7.06 feet High Tide
Sun -- 05:12 PM PDT     2.32 feet Low Tide
Sun -- 05:51 PM PDT     Moonrise
Sun -- 07:01 PM PDT     Sunset
Sun -- 11:05 PM PDT     7.45 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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64.63.11.60.4-0.10.21.22.74.566.976.35.242.92.32.63.44.75.977.4

Tide / Current Tables for Chinook, Baker Bay, Columbia River, Washington
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Chinook
Click for Map
Sun -- 02:30 AM PDT     Moonset
Sun -- 04:31 AM PDT     -0.27 feet Low Tide
Sun -- 07:09 AM PDT     Sunrise
Sun -- 11:15 AM PDT     6.61 feet High Tide
Sun -- 04:34 PM PDT     2.48 feet Low Tide
Sun -- 05:51 PM PDT     Moonrise
Sun -- 07:02 PM PDT     Sunset
Sun -- 10:48 PM PDT     6.98 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.13.72.10.7-0.1-0.20.51.73.24.866.66.45.64.53.42.62.53.1456.16.87

Weather Map
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wmap_P
GEOS Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Portland, OR
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weather_mapweather_map weather_map


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