Friday, July10, 2020
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Marine Weather and Tides
Astoria, OR

Version 3.4
NOTICE
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 5:29AMSunset 9:04PM Friday July 10, 2020 5:32 PM PDT (00:32 UTC) Moonrise 11:29PMMoonset 10:17AM Illumination 70% Phase: Waning Gibbous; Moon at 20 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- 211 Pm Pdt Fri Jul 10 2020
In the main channel.. - general seas...1 to 3 ft through Saturday. - first ebb...around 945 pm Friday. Seas to 4 ft. - second ebb...around 945 am Saturday. Seas to 4 ft. - third ebb...around 1045 pm Saturday. Seas to 4 ft.
PZZ200 211 Pm Pdt Fri Jul 10 2020
Synopsis for the southern washington and northern oregon coast.. Expect surface high pressure over the northeast pacific for much of the next week. A weak frontal system will temporarily disrupt this pattern late Saturday into early Sunday morning. Thermally induced low pressure over northern california and far southwest oregon may strengthen next week and result in increasing northerly winds.


7 Day Forecast for Marine Location Near Astoria, OR
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As of July 8 NOAA did a network migration which caused this Forecast section to break. They are aware of the problem and working on it with high priority.
location: 46.19, -123.85     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 102214 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 314 PM PDT Fri Jul 10 2020

SYNOPSIS. Dry weather continues into Saturday, but another weak front arrives late Saturday into Sunday, bringing clouds and showers. Seasonal weather sets up Monday resulting in cloudy mornings and afternoon clearing. This seasonal pattern should persist through at least the middle of next week.

SHORT TERM. Tonight through Monday . Satellite shows Cascades mostly out of clouds but coast range and northern coastal zones remain fairly cloudy. But clouds will continue to dissipate this afternoon and evening as upper level ridging over the region reduces onshore flow. On the larger scale an upper level low currently over the Gulf of Alaska will move into western B.C. Saturday night. This will drive a weak front into the forecast area. This front will be similar to Thursday's front with pcpn mainly reaching the SW WA zones and far north NW OR zones. Total precipitable water values around 1" reaching the coast per 12Z GFS which is around the 90th percentile for this time of year. But without much dynamics with this front don't expect very much rainfall out of this system. Upper level heights begin to rebound Sunday night and Monday as the upper trough heads into the northern Rockies.

LONG TERM. Monday night through Friday . Upper level ridging attempts to strengthen over the PacNW for the first half of the week but continued shortwave energy keeps the ridge relatively flat over the region. At the lower levels the wind flow turns more northerly as surface ridging develops off the WA coast with troughing along the northern CA coast. This will result in less marine clouds for Tuesday. A stronger shortwave for Wednesday may be enough to bring some light pcpn to the far northern zones. The overall pattern doe not change much through the week so expect varying amounts of marine influence as shortwaves move through. Temperatures will continue near seasonal averages.

AVIATION. VFR flight conditions are expected at all TAF sites through 00z Sunday, with the exception of possible MVFR cigs developing along the coast after 09z Saturday as another weak marine push affects the area. There is some uncertainty regarding how far low clouds will be able to push inland Saturday morning. Some model guidance depicts low clouds with VFR/near MVFR cigs pushing through the gaps of the Coast Range and into the Willamette Valley beginning around 12z, while some guidance keeps skies mostly clear. It appears KSLE and areas south will have the best chance for increasing cloud cover Saturday morning, most likely with VFR cigs. -TK

KPDX AND APPROACHES . VFR flight conditions are expected throughout the 00z TAF period. Expect mostly clear skies to continue tonight with mid and high clouds increasing Saturday afternoon ahead of an approaching cold front. -TK

MARINE. Surface high pressure will more or less continue across the northeast Pacific over the next week, resulting in periods of northerly winds and combined seas hovering mainly between 3-6 ft. This weather pattern will be temporarily disrupted by a weak cold front, which is on track to push across the waters Saturday evening through Saturday night. A notable wind shift will occur behind this front, with increasing northwesterly to northerly winds. Expect a brief period of gusty post frontal winds late Saturday night through Sunday morning with gusts as high as 20 kt. The latest model guidance suggests northerly winds will increase yet again Sunday evening and continue through Sunday night, with gusts as high as 25 kt over the southern waters.

Thermally induced lower pressure will then strengthen across northern California next week, which should result in the continuation of gusty northerly winds across our waters. This will be especially true over the southern waters. This may result in particularly steep and hazardous seas with combined wave heights climbing into the 6 to 9 ft range Wednesday through Friday. -TK/Neuman

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



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ASTO3 - 9439040 - Astoria, OR 5 mi44 min W 8.9 G 11 63°F 67°F1022.1 hPa
46243 - Clatsop Spit, OR - 162 15 mi36 min 62°F3 ft
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth 34 mi62 min WNW 5.8 G 7.8 62°F 1022.9 hPa52°F
TOKW1 - 9440910 - Toke Point, WA 36 mi44 min W 8 G 12 63°F 64°F1022.8 hPa
46248 - Astoria Canyon, OR (179) 42 mi36 min 64°F3 ft
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 44 mi44 min 55°F1022.7 hPa
LOPW1 - 9440422 - Longview, WA 48 mi44 min 65°F1020.6 hPa

Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Astoria, Astoria Regional Airport, OR3 mi37 minVar 610.00 miFair67°F51°F57%1022 hPa

Link to 5 minute data for KAST

Wind History from AST (wind in knots)
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Last 24hrW10NW10NW8W4W3CalmS4S3E3SE3SE3SE3CalmCalmCalmE5SE4W5NW53N6N7W76
1 day agoN9NW8W9W4W3SW3CalmSE3SE3SE3SE4SE3CalmSE3SE3W4SW8SW9W9W4SW5N95NW10
2 days agoW9W9W8W5SW3SW4SW3W5CalmCalmCalmNW4CalmS3S3S4W4W7N6W6NW75W6NW9

Tide / Current Tables for Astoria (Youngs Bay), Columbia River, Oregon
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Astoria (Youngs Bay)
Click for Map
Fri -- 12:07 AM PDT     Moonrise
Fri -- 04:59 AM PDT     7.31 feet High Tide
Fri -- 05:34 AM PDT     Sunrise
Fri -- 11:17 AM PDT     Moonset
Fri -- 11:47 AM PDT     0.24 feet Low Tide
Fri -- 06:23 PM PDT     7.32 feet High Tide
Fri -- 09:06 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.83.64.86.177.36.95.84.32.71.40.50.30.82.13.85.36.67.37.26.45.243.1

Tide / Current Tables for Chinook, Baker Bay, Washington
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Portland, OR (20,4,5,8)
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Ground Weather Radar Station Portland, OR
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.