Tuesday, July14, 2020
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Marine Weather and Tides
Long Beach, WA

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 5:33AMSunset 9:08PM Tuesday July 14, 2020 12:58 AM PDT (07:58 UTC) Moonrise 12:29AMMoonset 2:29PM Illumination 35% Phase: Waning Crescent; Moon at 24 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- 222 Pm Pdt Mon Jul 13 2020
In the main channel.. - general seas...1 to 3 ft through Tuesday. - first ebb...around 1230 am Tuesday. Seas to 4 ft. - second ebb...around 1230 pm Tuesday. Seas to 4 ft. - third ebb...around 130 am Wednesday. Seas to 4 ft.
PZZ200 222 Pm Pdt Mon Jul 13 2020
Synopsis for the southern washington and northern oregon coast.. High pressure will remain over the waters through the week with thermal low pressure over the southern oregon and northern california coast. This will lead to periods of gusty northerly winds and choppy seas.


7 Day Forecast for Marine Location Near Long Beach, WA
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location: 46.37, -124.05     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 140354 AAA AFDPQR

Area Forecast Discussion . UPDATED National Weather Service Portland OR 853 PM PDT Mon Jul 13 2020

Updated Short-term and Aviation sections

SYNOPSIS. Expect seasonable weather for much of the week. The two main exceptions to this will be late Thursday and Friday when temperatures will cool and some light rain will be possible across our northern zones. Then over the weekend to early next week when some of the warmest weather of the year is possible.

SHORT TERM. Tonight through Thursday . Updated sky grids for tonight as the earlier clouds along the Vancouver Island coast have dissipated. This makes it even less likely that we will see anything except along the immediate north coast tonight, much less inland up the Columbia. This will leave the region largely clear and excellent for comet viewing over the next few hours. Remainder of the previous discussion follows. /JBonk

On the larger scale the water vapor loop reveals upper low over north central Canada with strong upper level ridging over the north Pacific Ocean while the PacNW remains in the northwest flow between the two.

Over the next couple of days the upper ridge will expand toward the PacNW with 500 mb heights rising from around 576dm to 585dm. This will result in dry and warmer weather. Inland highs in the mid to upper 80s while onshore low will keep the beaches in the mid 60s. Surface high pressure over the northeast Pacific and thermally induced lower pressure over the southern Oregon coast will bring breezy north to northwesterly winds each afternoon and evening during this time. Later Wed into Thu shortwave troughing currently over the Aleutians will suppress the ridge over the PacNW to bring cooler weather and possibly some light rain over southwest WA.

LONG TERM. Thursday night through Monday . Models are coming into better agreement the shortwave trough will exit the region Thursday night into Friday. Temperatures should cool accordingly on Friday with high temperatures expected to dip back down into the 70s. The pattern appears likely to become slightly more amplified over the weekend. Nonetheless, additional shortwave troughs appear likely to drop southeastward into the Pacific Northwest to maintain onshore flow and keep temperatures near average on Saturday with additional warming possible on Sunday. The trend is for low amplitude shortwave ridges over the eastern Pacific and central US will temporarily extend east-west and create upper level ridging over the Pacific Northwest early next week. This has the potential to bring some of the warmest temperatures of the year so far to the Pacific Northwest. The NBM suggests there is currently 50% chance that temperatures will be 90F or warmer on Monday for the interior lowlands. On a side note WPC's experimental cluster analysis of ensembles from CMCE, GEFS, & EPS show only one cluster out of four with high temps in the 90s.

AVIATION. No changes through Tue, with high pressure over region, with dry and stable north to northwesterly flow aloft.

Will see thin stratus hugging the Washington coast as far south as Tillamook Head, but this likely stay along the beaches. Otherwise, clear over most of the region with few high clouds at times.

KPDX AND APPROACHES . VFR under mostly clear skies through Tue. /Rockey

MARINE. High pressure remains over the eastern Pacific which will create northerly winds through all of the waters. These northerly winds are being enhanced, especially in the waters south of Cape Foulweather, by a developing thermal low. Through the central waters expect winds 15 to 20 kt with gusts to 25 kt through mid week. The Small Craft Advisory will likely hold through Wed. The northern waters are experiencing an increase in wind speed but have been weaker than those in the central waters. There is a chance this afternoon that there will be enough of a pressure difference to cause winds to increase to small craft levels from Cape Foulweather north, with another round of advisory gusts possible starting Tuesday afternoon.

Seas remain stable around 3 to 5 ft at 8 to 10 second. On Wed seas look to build to 5 to 7 ft at 7 to 9 second. These square seas should persist through Fri. -Muessle/64

PQR WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None. PZ . Small Craft Advisory until midnight PDT tonight for coastal waters from Cape Shoalwater WA to Cascade Head OR out 60 NM.

Small Craft Advisory from noon Tuesday to 5 AM PDT Wednesday for coastal waters from Cape Shoalwater WA to Cascade Head OR out 60 NM.

Small Craft Advisory until 5 AM PDT Wednesday for coastal waters from Cascade Head OR 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
46243 - Clatsop Spit, OR - 162 11 mi63 min 58°F5 ft
ASTO3 - 9439040 - Astoria, OR 19 mi59 min 65°F
TOKW1 - 9440910 - Toke Point, WA 24 mi59 min 65°F
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth 28 mi39 min N 18 G 19 61°F1021 hPa
46211 - Grays Harbor, WA (036) 35 mi63 min 57°F5 ft
46248 - Astoria Canyon, OR (179) 35 mi63 min 60°F5 ft
WPTW1 - 9441102 - Westport, WA 37 mi83 min 62°F

Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Astoria, Astoria Regional Airport, OR17 mi64 minNNW 1110.00 miFair57°F53°F87%1020 hPa

Link to 5 minute data for KAST

Wind History from AST (wind in knots)
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Last 24hrN4SE3CalmSE3SE43SE4CalmN9NW7N9N9NW10NW15NW17
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1 day agoS9SW8SW8SW7NW6NW9N8NW7N6N7NW8NW9NW12NW13NW13NW16NW15NW15
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2 days agoSE4SE3SE3SE3SE4SE3SE3SE3W3SW4SW8SW8SW9SW7SW10SW13SW9S9SW10
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Tide / Current Tables for Tarlatt Slough, Willapa Bay, Washington
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Tarlatt Slough
Click for Map
Tue -- 01:28 AM PDT     Moonrise
Tue -- 04:10 AM PDT     1.54 feet Low Tide
Tue -- 05:38 AM PDT     Sunrise
Tue -- 09:36 AM PDT     5.73 feet High Tide
Tue -- 03:29 PM PDT     Moonset
Tue -- 03:51 PM PDT     2.51 feet Low Tide
Tue -- 09:05 PM PDT     Sunset
Tue -- 09:44 PM PDT     7.92 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.34.13.12.11.61.92.83.84.85.65.75.24.53.73.22.72.53.24.45.76.87.77.97.4

Tide / Current Tables for Fort Canby, Jetty A, Columbia River, Washington
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Fort Canby
Click for Map
Tue -- 01:28 AM PDT     Moonrise
Tue -- 02:27 AM PDT     1.94 feet Low Tide
Tue -- 05:38 AM PDT     Sunrise
Tue -- 08:51 AM PDT     5.38 feet High Tide
Tue -- 01:53 PM PDT     2.94 feet Low Tide
Tue -- 03:29 PM PDT     Moonset
Tue -- 08:43 PM PDT     7.45 feet High Tide
Tue -- 09:04 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.52.6222.53.244.75.25.454.33.63.12.93.23.94.95.96.87.37.46.85.7

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
Wind Forecast for Portland, OR (3,6,7,8)
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Ground Weather Radar Station Portland, OR
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Disclaimer:
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.