Wednesday, November22, 2017 L-36.com


Marine Weather and Tides
Cathlamet, WA

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 7:22AMSunset 4:34PM Wednesday November 22, 2017 12:23 PM PST (20:23 UTC) Moonrise 10:49AMMoonset 8:11PM Illumination 17% 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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PZZ210 Columbia River Bar- 846 Am Pst Wed Nov 22 2017
.small craft advisory for rough columbia river bar in effect through this evening...
In the main channel..Combined seas 9 to 10 ft through tonight. However, seas temporarily near 13 ft with breakers possible during the ebbs. Ebbs will occur around 645 pm today and 730 am Thursday.
PZZ200 846 Am Pst Wed Nov 22 2017
Synopsis for southern washington and northern oregon coast.. Broad area of low pres will remain offshore for next several days. Cold front will slowly push across the coastal waters tonight, and inland early Thu am. Break in the weather for later Thu through Fri. The next strong front will arrive on Sat.

7 Day Forecast for Marine Location Near Cathlamet, WA
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location: 46.2, -123.38     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 221748
afdpqr
area forecast discussion
national weather service portland or
948 am pst Wed nov 22 2017

Synopsis A series of fronts will continue periods of wet weather
into next week. Snow levels will remain above the cascade passes
today and tonight. The snow levels will lower to near the cascade
passes Thursday afternoon and night, but the precipitation will be
light. There is a better chance for snow to impact the passes on
Sunday.

Short term Today through Friday... A moist front is making its way
across NW oregon this morning. A warm front associated with a low
around 450 miles off of the oregon coast will maintain rain across sw
washington and the oregon coast this afternoon and evening. This
front will slow down or stall the current front over the oregon
cascades and foothills continuing rain there too. Otherwise, the
interior valleys including the willamette valley may see a brief
break in the rain late this afternoon through the early evening, but
do not expect much for cloud breaks.

It will be a seasonally mild day with high temperatures in the low
60s which is close to daily records for the lowlands.

The cold front will then come through tonight and Thursday for a wet
holiday in most areas. Precipitable water remains above an inch with
this front, and expect an additional 1 to 2 inches of rain for the
coast, coast range, and cascades (north of lane county) tonight
through Friday night with 0.5 to 0.75 inch for the interior valleys.

Snow levels will be above the cascade passes through Thursday morning
then lower to near the cascade passes behind the front Thursday
afternoon and night as the precipitation dwindles.

A warm front passing by to the north may result in showers continuing
along the coast and SW washington Friday morning, but precipitable
water values lower considerably (~0.5 inch) and the rain totals
should be fairly light. Areas away from the coast south of salem will
be mostly dry late Friday morning into Saturday ~tj

Long term No changes. Previous discussion follows... Friday night
through Tuesday... The models say the next system spreads in with more
rain Saturday as snow levels rising well above the cascade passes.

Snow levels drop back near the passes in showers behind the front on
Sunday. A cool system moves through Sunday night and Monday with more
rain and mountain snow, followed by decreasing precipitation on
Tuesday. Basically the unsettled weather pattern will continue.

Tolleson

Aviation MostlyVFR inland today with a mix ofVFR and MVFR
along the coast. Cold front offshore will slowly push towards our
area today, with rain gradually increasing later today into this
evening. Front will push predominantly MVFR CIGS into the region
tonight, and will increase southerly winds at terminals along the
coast around midnight tonight and inland Thursday morning.

Kpdx and approaches... PredominantlyVFR through this evening,
with easterly winds 8 to 15 kt. Rain increasing this evening,
with CIGS lowering to MVFR this evening around 03-06z. -mccoy

Marine No changes. Previous discussion follows...

rather extensive pressure gradient across the coastal waters,
enough to maintain gusts 25 to 35 kt today, with stronger winds
stay well offshore. Cold front will slowly push across the
coastal waters tonight. This will bring the stronger gusts closer
to shore tonight. Will extend gale warning for all of the
coastal waters today through tonight. Southerly winds will be
just below gale force this am, winds will pick up again this
afternoon as the front draws nearer.

Seas generally 12 to 17 ft, but again, the higher seas will be
over the outer waters where the stronger winds reside.

Brief break in the weather for Thu and fri, with winds generally
15 to 20 kt, and seas relaxing back to near 10 ft. But, another
strong front will bring southerly gales and higher seas again on
sat into sun. rockey.

Hydrology The heavier rain over the S wa coastal mountains last
night resulted in the grays river rising above flood stage. The rain
has eased this morning, and the river level has peaked. However,
additional moderate rain over the willapa hills expected later today
and tonight will likely keep the river above flood level through
Thursday morning. ~tj

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Gale warning until 6 am pst Thursday for coastal waters from
cape shoalwater wa to florence or out 60 nm.

Small craft advisory for rough columbia river bar until
midnight pst tonight.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ASTO3 - 9439040 - Astoria, OR 21 mi53 min SSW 4.1 G 8 61°F 51°F1015.1 hPa
LOPW1 - 9440422 - Longview, WA 23 mi53 min 50°F1016.8 hPa
46243 - Clatsop Spit, OR - 162 40 mi53 min 53°F12 ft
TOKW1 - 9440910 - Toke Point, WA 47 mi53 min S 23 G 28 58°F 51°F1014.4 hPa

Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Washington Regional Airport, WA26 mi27 minSSE 1110.00 miMostly Cloudy58°F55°F90%1017.1 hPa

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NW4CalmCalmCalmCalmCalmCalmCalmNW3CalmCalmNW3CalmCalmCalmCalmSE5SE7SE8SE11
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S8NW7CalmCalmW5

Tide / Current Tables for Cathlamet, Washington - IGNORE HEIGHTS
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Cathlamet
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

Wed -- 05:15 AM PST     7.43 feet High Tide
Wed -- 07:24 AM PST     Sunrise
Wed -- 10:48 AM PST     Moonrise
Wed -- 11:36 AM PST     3.42 feet Low Tide
Wed -- 04:06 PM PST     8.49 feet High Tide
Wed -- 04:34 PM PST     Sunset
Wed -- 08:11 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.112.94.96.67.47.36.65.74.743.53.54.56.27.88.58.27.464.42.81.50.7

Tide / Current Tables for Skamokawa, Steamboat Slough, Columbia River, Washington
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Skamokawa
Click for Map
Wed -- 04:49 AM PST     6.22 feet High Tide
Wed -- 07:25 AM PST     Sunrise
Wed -- 10:21 AM PST     2.27 feet Low Tide
Wed -- 10:49 AM PST     Moonrise
Wed -- 03:27 PM PST     7.44 feet High Tide
Wed -- 04:34 PM PST     Sunset
Wed -- 08:11 PM PST     Moonset
Wed -- 11:25 PM PST     0.00 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.51.83.555.96.25.74.83.82.82.32.43.34.96.57.37.36.55.13.62.31.30.50.1

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 (15,3,4,5)
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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.