Monday, May29, 2017 L-36.com


Marine Weather and Tides
Philomath, OR

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:30AMSunset 8:51PM Monday May 29, 2017 12:48 AM PDT (07:48 UTC) Moonrise 8:50AMMoonset 11:40PM Illumination 15% Phase: Waxing Crescent; Moon at 4 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 Cascade Head To Florence Or Out 10 Nm- Waters From Cascade Head To Florence Or From 10 To 60 Nm- 845 Pm Pdt Sun May 28 2017
Tonight..N wind 5 to 10 kt. Wind waves N 2 ft at 4 seconds. W swell 4 ft at 10 seconds. Occasional drizzle and patchy fog.
Mon..N wind 10 to 15 kt. Wind waves N 2 ft at 4 seconds. W swell 3 ft at 10 seconds. Occasional drizzle and patchy morning fog.
Mon night..NW wind 10 to 15 kt. Wind waves nw 2 ft at 4 seconds. SW swell 3 ft at 18 seconds.
Tue..NW wind 5 to 10 kt...backing to W in the afternoon. Wind waves nw 2 ft at 4 seconds...shifting to the W 1 ft at 4 seconds in the afternoon. SW swell 4 ft at 16 seconds. Chance of showers.
Tue night..SW wind 5 to 10 kt. Wind waves sw 1 ft at 4 seconds. SW swell 4 ft at 16 seconds.
Wed..S wind 5 to 10 kt. Wind waves 2 ft. SW swell 4 ft.
Wed night..S wind 5 to 10 kt. Wind waves 2 ft. SW swell 5 ft.
Thu..SW wind 5 to 10 kt. Wind waves 2 ft. W swell 6 ft.
Fri..NW wind 15 to 20 kt. Wind waves 4 ft. W swell 5 ft.
PZZ200 845 Pm Pdt Sun May 28 2017
Synopsis for southern washington and northern oregon coast.. High pres will remain over the coastal waters with low pres inland through early next week. A weak front will move through later this week then high pressure and gusty northerlies return next weekend.

7 Day Forecast for Marine Location Near Philomath, OR
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location: 44.53, -123.34     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 290346
afdpqr
area forecast discussion
national weather service portland or
845 pm pdt Sun may 28 2017

Synopsis Cooler for Monday, with a lot more in way of low clouds
in the morning into early afternoon. Approaching low pressure from
the west will bring increasing southerly flow aloft. This will result
in threat of showers, and afternoon evening thunderstorms over the
cascades and foothills. Otherwise, back to typical late may early
june weather, with partly to mostly cloudy skies and near seasonable
temperatures.

Short term (tonight through Wednesday). Skies mostly clear from
the coast mountains eastward to the cascades this evening. But, that
will change tonight thanks to increasing onshore flow. This evident
by the cooler temperatures, with 8 pm temperatures in the upper 50s
to lower 60s across the lower columbia and cowlitz valley, as well as
the south willamette valley. This cooler marine air will cool further
tonight, allowing marine clouds to spread across much of the interior
after midnight. Did boost cloud extent in forecast grids and coverage
for tonight and mon. Enough that the clouds will be breaking up mon
afternoon. Will chance precip to occasional drizzle for coast and
coast mtns, and include patchy drizzle further inland into Mon am.

Also, with the increased cloud cover on mon, and decent onshore flow,
will drop Mon highs a bit more, with lower to mid 70s over much of
the interior, with a few spots peaking in the upper 70s around the
portland vancouver metro. But, that may even be too optimistic.

Current models still indicated thermal trough will become much more
established in the columbia basin Mon afternoon. So, will put bit
more wind in the eastern columbia gorge and hood river zones for
later Mon afternoon and evening, as pressure gradients increase.

Thunderstorm chances will increase in the cascades the next 2 days as
moisture increases and temperatures cool aloft. Will have to watch
for any drift of these thunderstorms into the valley based on backed
flow through the mid levels. Rockey.

Long term (Wednesday night through Saturday) the Tuesday trough
will bring a cool down to the area starting Tuesday with more
seasonable weather through the remainder of the week. Additional
shortwaves will move through the area Thursday and Friday which will
increase shower chances. The forecast becomes a lot more uncertain
towards next weekend as the ECMWF trys to cut off an upper low
overhead while the GFS strengthens a ridge into the area. Went with a
consensus blend today and will work to add more details this week as
things become more clear. Bentley

Aviation Southwest onshore marine push underway this evening.

The marine layer is deeper than Saturday with CIGS around
1000-1500 feet along the coast. Cloud tops along the coast
estimated around 2500-3000 ft. MVFR CIGS will fill most of the
interior late tonight and early Monday starting in the south and
working northward. MVFR CIGS will also work up the lower columbia
river to the kpdx area. Clouds will dissipate over the interior
through midday Mon while coastal areas likely to remain cloudy.

Kpdx and approaches...VFR through most of tonight but MVFR cigs
around 1500 ft likely after 12z Mon or so, but chances start
increasing after about 09z. MVFR CIGS continue through 18z the
trending toVFR. Mh

Marine Quiet conditions continue with northwesterly winds
below 20 kt through at least the middle of this week and likely
longer. Seas around 4 ft and will continue through at least the
middle of the week. Weak system appears likely later this week,
with winds shifting to southerly on Wednesday, but winds right
now appear to remain below 20 kt with this system as well. Seas
may come up a foot or two with this system, but should be little
impact.

Next chance for SCA conditions will be next weekend as a broad
upper-level ridge builds over the NE pacific, setting up a
summer-like gusty northerly wind pattern over our waters. -mccoy

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
NWPO3 - Newport, OR 39 mi49 min NW 2.9 G 4.1 54°F 1020.2 hPa (+0.0)
46050 - STONEWALL BANKS - 20NM West of Newport, OR 63 mi59 min NNW 5.8 G 7.8 55°F3 ft1019.7 hPa (+0.0)

Wind History for South Beach, Yaquina River, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Corvallis, Corvallis Municipal Airport, OR3 mi54 minWNW 510.00 miFair54°F48°F82%1019.3 hPa

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Last 24hrNW6NW4NW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW3NW6NW7W6W7W8W7W5NW5NW4
1 day agoNW3CalmCalmW4W5W4NW4NW4CalmCalmCalmCalmCalmCalmCalmNE3NW4NW6NW6W5NW9W8W6NW7
2 days agoNW3NW3NW3CalmCalmCalmCalmCalmN3CalmCalmCalmCalmNE5NE5N5NE4NE4CalmNW3NW3W3CalmNW3

Tide / Current Tables for Toledo, Yaquina Bay and River, Oregon
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Toledo
Click for Map
Mon -- 03:48 AM PDT     8.63 feet High Tide
Mon -- 05:35 AM PDT     Sunrise
Mon -- 09:52 AM PDT     Moonrise
Mon -- 11:00 AM PDT     -1.56 feet Low Tide
Mon -- 05:37 PM PDT     7.07 feet High Tide
Mon -- 08:51 PM PDT     Sunset
Mon -- 11:08 PM PDT     2.25 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.65.378.38.686.64.52.30.3-1.1-1.6-10.42.34.366.976.35.13.82.72.3

Tide / Current Tables for Drift Creek, Alsea River, Oregon
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Drift Creek
Click for Map
Mon -- 03:40 AM PDT     6.81 feet High Tide
Mon -- 05:36 AM PDT     Sunrise
Mon -- 09:53 AM PDT     Moonrise
Mon -- 11:38 AM PDT     -0.95 feet Low Tide
Mon -- 05:20 PM PDT     5.68 feet High Tide
Mon -- 08:51 PM PDT     Sunset
Mon -- 11:50 PM PDT     1.31 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
23.65.36.56.86.35.442.51-0.1-0.8-0.901.63.44.95.65.654.132.11.5

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Portland, OR (3,6,7,8)
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Ground Weather Radar Station Portland, OR
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weather_mapweather_map weather_map

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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.