Tuesday, November21, 2017 L-36.com


Marine Weather and Tides
Cape Meares, OR

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
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 7:19AMSunset 4:37PM Tuesday November 21, 2017 4:06 AM PST (12:06 UTC) Moonrise 10:02AMMoonset 7:25PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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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PZZ250 Coastal Waters From Cape Shoalwater Wa To Cascade Head Or Out 10 Nm-coastal Waters From Cascade Head To Florence Or Out 10 Nm- 224 Am Pst Tue Nov 21 2017
.gale warning through this evening...
Today..E to se wind 15 to 20 kt, becoming S 25 to 30 kt with gusts to 40 kt later this morning into the afternoon. Combined seas 8 ft this morning, then building to 12 to 14 ft this afternoon. Dominant period of 10 seconds. Rain.
Tonight..S wind 20 to 25 kt. Gusts to 35 kt in the evening. Combined seas 13 to 15 ft with a dominant period of 11 seconds. Rain.
Wed..S wind 20 to 25 kt. Gusts to 35 kt later in the afternoon. Combined seas 12 to 14 ft with a dominant period of 11 seconds. Rain likely.
Wed night..S wind 25 to 30 kt. Gusts to 40 kt. Combined seas 16 ft with a dominant period of 11 seconds. Rain.
Thu..SW wind 20 to 25 kt, easing to 15 to 20 kt. Wind waves 4 ft. SW swell 13 ft with period of 11 seconds. Rain early then showers.
Fri..S wind 10 to 15 kt. Wind waves 3 ft. W swell 9 ft.
Sat..SE wind 15 to 20 kt. Wind waves 4 ft. W swell 8 ft.
PZZ200 224 Am Pst Tue Nov 21 2017
Synopsis for southern washington and northern oregon coast.. A warm front over the south oregon coastal waters will lift north across the region today, and across washington coastal waters this evening. Lower pres will remain well offshore through Thu. But, cold front will slowly shift across coastal waters later Wed and Wed night, moving onshore Thu am.

7 Day Forecast for Marine Location Near Cape Meares, OR
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location: 45.53, -123.93     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 211023
afdpqr
area forecast discussion
national weather service portland or
223 am pst Tue nov 21 2017

Synopsis Wet and unsettled weather will continue this week. A
warm front will lift north today with more rain and some windy
conditions near the coast. A weak cold front then drops south across
the forecast area tonight and Wednesday for more rain. Another cold
front sweeps south on thanksgiving with cascade snow levels lowering
to near pass levels Friday. Lingering showers Friday before the next
system arrives on the weekend.

Short term Tonight through Thursday... Radar shows rain has
quickly spread back north overnight, overrunning a warm front that
extended east to west across SW wa early this morning. Models
indicate the warm front is expected to lift north through the
forecast area this morning, and up into western wa this afternoon.

Low level moist isentropic lift is at its strongest this morning
along the 290k isentrope, which matches well with the initial area
of rain moving north through NW oregon through early this morning.

Satellite showed deep tropical moisture spreading north off the ca
and or coast this morning, which GFS shows spreading inland today
with preciptable water values peaking along the coast around 1.5
inches this afternoon, and over 1.25 inches inland. Ssw 850 mb winds
also peak south of the front this afternoon, from 50 to 60 kt,
resulting in strong moisture flux. Models continue to show a weak
trailing cold front moving up to the coast this afternoon and
evening, with an area of modest moist isentropic lift preceding the
front, seen along the 300k isentrope. This will result in a
continuation of relatively high pops in the baroclinic zone through
tonight and into wed. QPF potential will be highest this afternoon
and evening coincident with the highest moisture flux values, esp
over orographically favored terrain in the coast range, willapa
hills, and south wa cascades. Sought of the warm front today
southerly gradients along the coast with a weak offshore component
to the winds is not generally conducive to getting high winds on
land despite the strong wind field over water. Will keep peak gusts
at beaches and headlands today limited to around 45 mph. With the
warm front lifting north of the area today and the upper ridge
aloft, will see temps warmer than normal lasting through wed, with
snow levels well above cascade passes.

The baroclinic zone weakens Wed afternoon and night as it slowly
shifts further inland. Pops associated with this feature diminish,
but another cold front approaches the coast late Wed night as a
shortwave approaches the region from the west. This drives a cold
front east across the forecast area Thu for another round of rain,
eventually turning to showers behind the cold front. The air mass
moving in Thu will also bring lowering snow levels.

Long term Thursday night through Monday... No changes. Previous
discussion follows. We will be transitioning to showers by Thursday
night, which will be diminishing Friday. The models keep speeding up
the next system, which may arrive by Saturday, and then may linger
into Sunday. The next system is expected Monday. After a brief drop
in snow levels Friday mainly in the north part of the forecast area,
snow levels rise gain significantly Saturday before dropping a bit
again Sunday. May get a brief rise in snow levels again Sunday night
into early Monday at the leading edge of the next system. Overall,
the unsettled weather pattern continues. Bishop tolleson &&

Aviation Warm front will lift north across the region today.

Widespread MVFR and pockets of ifr with rain ahead of the front,
then improving toVFR once the front passes. At this time, warm
front will be in a konp to keug line by 15z, and kast to kpdx
around 22z, and then into southwest washington early this
evening. Higher terrain and passes of the cascades will be
frequently obscured today. Should remainVFR for most areas
tonight, though will see increasing MVFR along the coast as next
front approaches.

Kpdx and approaches... Warm front will approach from the south
today. MVFR with rain this am, with periods of ifr CIGS until
18z. But, warm front will pass across ops areas between 21z and
23z, with conditions improving toVFR afterwards. Generally, east
to southeast winds will continue through tonight. Rockey.

Marine Warm front will over the south oregon coastal waters
early this am will lift north across the coastal waters today,
and will be well north of the region tonight. Easterly winds will
become southerly gale this am as the front passes. Generally,
strongest winds will be over the outer waters, or 10 miles and
farther offshore. But, will see gusts 30 to 35 kt on the inner
waters at times as well. Current gale warnings on all waters
today into this evening looks good.

Winds will ease this evening, with generally 25 to 30 kt gusts on
the waters later tonight into wed. But another front will
approach the region later Wed into thu, with another round of
southerly gales at that time.

Seas generally building today, mostly due to gusty winds. So,
will see choppy seas today into this evening, with seas 8 to 10
ft early this am building to 14 to 18 ft by early afternoon.

Again, higher seas will be farther offshore with the stronger
winds. Though seas subside just a tad later tonight, still stay
in the 13 to 17 ft range through Wed night.

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Gale warning on all coastal waters through this evening.

Small craft advisory for rough columbia river bar conditions
from 4 pm to 8 pm today.

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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 2 mi49 min 52°F1013 hPa
ASTO3 - 9439040 - Astoria, OR 48 mi49 min NNW 9.9 G 14 47°F 50°F1012.7 hPa
46243 - Clatsop Spit, OR - 162 49 mi37 min 52°F6 ft

Wind History for Garibaldi, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tillamook, Tillamook Airport, OR10 mi72 minN 010.00 miOvercast50°F48°F94%1013.9 hPa

Wind History from TMK (wind in knots)
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1 day agoCalmCalmCalmE5CalmCalmCalmSE7S10S4S6S16
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2 days agoSE3CalmCalmCalmCalmCalmCalmCalmCalmCalmSE4CalmCalmE3SE3SE4CalmSE4SE4SE3SE3CalmCalmE5

Tide / Current Tables for Miami Cove, Tillamook Bay, Oregon
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Miami Cove
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Tue -- 02:51 AM PST     6.17 feet High Tide
Tue -- 07:23 AM PST     Sunrise
Tue -- 08:07 AM PST     3.00 feet Low Tide
Tue -- 10:01 AM PST     Moonrise
Tue -- 01:40 PM PST     7.24 feet High Tide
Tue -- 04:39 PM PST     Sunset
Tue -- 07:25 PM PST     Moonset
Tue -- 08:55 PM PST     -0.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.75.15.96.25.854.13.333.245.26.37.17.26.75.64.12.51.10.2-0.10.31.3

Tide / Current Tables for Tillamook, Hoquarten Slough, Tillamook Bay, Oregon
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Tillamook
Click for Map
Tue -- 03:28 AM PST     5.47 feet High Tide
Tue -- 07:23 AM PST     Sunrise
Tue -- 09:56 AM PST     1.89 feet Low Tide
Tue -- 10:01 AM PST     Moonrise
Tue -- 02:17 PM PST     6.42 feet High Tide
Tue -- 04:39 PM PST     Sunset
Tue -- 07:25 PM PST     Moonset
Tue -- 10:44 PM PST     -0.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.53.14.65.45.454.23.42.62.11.92.53.95.46.46.35.853.92.61.50.60-0.1

Weather Map and Satellite Images
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Weather Map
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IR Satellite Image from GEOS
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GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Portland, OR (7,2,3,4)
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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.