Tuesday, May22, 2018 L-36.com


Marine Weather and Tides
McMinnville, OR

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 5:33AMSunset 8:46PM Tuesday May 22, 2018 12:40 PM PDT (19:40 UTC) Moonrise 12:23PMMoonset 1:30AM Illumination 55% Phase: First Quarter Moon; Moon at 8 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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PZZ255 Coastal Waters From Cape Shoalwater Wa To Cascade Head Or Out 10 Nm-coastal Waters From Cascade Head To Florence Or Out 10 Nm- Waters From Cape Shoalwater Wa To Cascade Head Or From 10 To 60 Nm-waters From Cascade Head To Florence Or From 10 To 60 Nm- 235 Am Pdt Tue May 22 2018
.small craft advisory for winds this afternoon and evening...
Today..N wind 10 to 20 kt. Gusts to 25 kt this afternoon. Wind waves N 3 ft at 5 seconds. W swell 3 to 4 ft at 9 seconds.
Tonight..N wind 15 to 20 kt. Gusts to 25 kt this evening. Wind waves N 3 ft at 6 seconds. W swell 5 ft at 10 seconds.
Wed..NW wind 10 to 15 kt. Wind waves nw 2 ft at 4 seconds. W swell 6 ft at 11 seconds.
Wed night..NW wind 10 to 15 kt. Wind waves nw 2 ft at 4 seconds. W swell 7 ft at 12 seconds.
Thu..N wind 10 to 15 kt. Wind waves N 2 ft at 4 seconds. W swell 7 ft at 11 seconds.
Fri..NW wind 15 to 20 kt. Wind waves 4 ft. W swell 7 ft.
Sat..NW wind 10 to 15 kt. Wind waves 2 ft. W swell 5 ft.
PZZ200 235 Am Pdt Tue May 22 2018
Synopsis for the southern washington and northern oregon coast.. High pres over the ne pac extends inland over washington, while lower pres sits over nw california and far sw oregon. This will maintain northerly winds on the coastal waters through most of this week.

7 Day Forecast for Marine Location Near McMinnville, OR
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location: 45.21, -123.21     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 221545
afdpqr
area forecast discussion... Updated
national weather service portland or
845 am pdt Tue may 22 2018
update to aviation section.

Synopsis Warm and dry today as an upper level ridge moves
over the region. An upper low drifting north through nv and into the
northern rockies brings a chance for showers or thunderstorms mainly
to the cascades tonight amd wed. Another upper low moves in off the
pacific later this week, moving into northern ca and eventually nv
this weekend. This system brings increasing chance of showers and
perhaps a few thunderstorms during the latter half of the week,
while also strengthening onshore flow that will bring cooler marine
air inland by the end of the week.

Short term Today through Thursday... The upper ridge that was seen
of the coast early this morning will move over the coast today,
further weakening the low level onshore flow gradients. Clouds
already have been to slow to redevelop along the coast much less in
the inland valleys this morning. With the slow start and a weak
onshiore flow, expect marine clouds to be considerably less
widespread today. 850 mb temps suggest valley highs today about 10
deg f warmer than yesterday.

A closed upper low was seen in water vapor pictures this morning,
and is expected by models to lift north today and tonight into the
northern rockies. This brings a chance for some showers or
thunderstorms around the western periphery of the low, to brush up
the cascades tonight. The resulting lower heights aloft will
encourage a little stronger onshore flow with a couple degrees
cooling at 850 mb for a few degrees of cooling wed. Themid and upper
level flow turns back to the south, allowing a more moist and
unstable air mass to spread north. Model soundings suggest
instability developing mainly along the cascades for Wed into wed
night, before a more southwesterly flow mainly over the oregon part
of the forecast area, by Thu spreads the chances for showers and
thunderstorms west of the cascades.

Long term Thursday night through Sunday... No changes. Previous
discussion follows. Models starting to have a bit more agreement,
but still enough differences in run to run consistency to make no
major chances. Will see the california low lift into the great basin
fri and sat. Seems highest chance of showers and even a few
thunderstorms will be on fri, when have better flow aloft over
region. But, as the low passes farther eastward on sat, will
generally see decreasing chance of showers. Will be tad cooler, with
coastal areas in the 50s and 60s to possibly lower 70s inland.

Mainly due to plenty of clouds on the onshore flow. Think will be
between systems on Sunday as ridging starts. This will make for a
mostly dry day Sun with slow burn out of clouds. But, can not rule
out a few showers along the coast north of lincoln city, and over
the foothills and cascades. Seems more likely now that Mon will be
dry, with mild conditions over the region. rockey.

Aviation High pres over the region will maintainVFR with
mostly clear skies. Coastal marine stratus remains right along
the coast with low ifr CIGS at beaches this morning. Stratus
should make a push further inland on the coast this evening.

InlandVFR today, but can expect cumulus buildups and showers along
the cascade crest later in the afternoon and evening. Marine
stratus should push into much of the interior lowlands overnight.

Kpdx and approaches... No adverse weather impacts expected today
and evening. Will probably have MVFR CIGS 1500-2500 feet after
12z wed. Mh

Marine High pres over the region for next several days, with
thermal low pres over NW calif into far SW oregon. This will
maintain northerly winds on the coastal waters. Gradients will
tighten a tad today, with gusts of 20 to 25 kt this afternoon
and evening, mainly south of the columbia river. Otherwise,
winds stay 15 kt or less for good part of this week. Overall,
seas stay in the 3 to 6 ft range, with higher seas farther
offshore. Rockey.

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Small craft advisory for winds from noon today to 11 pm pdt
this evening 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
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 45 mi41 min 58°F1013.4 hPa (-0.7)
SBEO3 - 9435380 - South Beach, OR 60 mi41 min NNW 15 G 21 56°F 54°F1013.3 hPa (-0.7)
NWPO3 - Newport, OR 61 mi41 min NNW 17 G 18 53°F 1013.4 hPa (-0.7)

Wind History for Garibaldi, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
McMinnville, McMinnville Municipal Airport, OR4 mi48 minSSW 410.00 miFair69°F55°F63%1012 hPa
Salem - McNary Field, OR22 mi45 minNNE 610.00 miFair72°F51°F48%1011.6 hPa
Aurora State Airport, OR23 mi48 minE 610.00 miFair73°F54°F51%1012.3 hPa

Wind History from MMV (wind in knots)
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Last 24hr43E8CalmN6N8N7NE6E5NE7W3W3S3W3CalmCalmCalmCalmW3CalmCalmCalmCalmS4
1 day agoNW4CalmCalmS3CalmCalmSW9SW7SW6SW5SW7SW5CalmW4CalmNW3NW3CalmCalmCalmCalmCalmW53
2 days agoCalmSW4CalmS735SW8SW7SW9SW8SW9SW6SW7SW6SW6SW5SW4W5W3CalmCalmCalmCalmS4

Tide / Current Tables for Portland, Morrison Street Bridge, Oregon
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Portland
Click for Map
Tue -- 02:27 AM PDT     Moonset
Tue -- 05:32 AM PDT     Sunrise
Tue -- 06:23 AM PDT     2.61 feet Low Tide
Tue -- 11:17 AM PDT     4.47 feet High Tide
Tue -- 01:20 PM PDT     Moonrise
Tue -- 08:00 PM PDT     2.25 feet Low Tide
Tue -- 08:42 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.13.93.83.53.12.82.62.72.93.54.14.54.443.63.43.22.92.62.42.32.433.7

Tide / Current Tables for St. Johns, Willamette River, Oregon - IGNORE HEIGHTS
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St. Johns
Click for MapNote: The Columbia River is subject to annual freshets. Short range predictions are available at local river forecast centers. The data for stations above Harrington Point apply only during low river stages. There is a tidal influence along most of the

Tue -- 01:22 AM PDT     7.56 feet High Tide
Tue -- 02:28 AM PDT     Moonset
Tue -- 05:32 AM PDT     Sunrise
Tue -- 09:24 AM PDT     2.79 feet Low Tide
Tue -- 12:48 PM PDT     7.43 feet High Tide
Tue -- 01:20 PM PDT     Moonrise
Tue -- 08:43 PM PDT     Sunset
Tue -- 10:00 PM PDT     0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.87.47.576.35.44.53.83.22.83.256.87.47.16.45.44.23.121.10.50.31.3

Weather Map and Satellite Images
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wmap_P
GOES 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 (15,3,4,5)
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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 numerious 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.