Thursday, March30, 2017 L-36.com


Marine Weather and Tides
McMinnville, OR

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:52AMSunset 7:40PM Thursday March 30, 2017 5:33 PM PDT (00:33 UTC) Moonrise 7:48AMMoonset 10:03PM Illumination 13% 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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PZZ255 Coastal Waters From Cascade Head To Florence Or Out 10 Nm- Waters From Cascade Head To Florence Or From 10 To 60 Nm- 248 Pm Pdt Thu Mar 30 2017
Tonight..N wind 10 to 15 kt...easing to 5 to 10 kt with gusts to 15 kt after midnight. Wind waves N 2 ft at 4 seconds. W swell 8 ft at 14 seconds.
Fri..E wind 5 kt...veering to S to 5 kt in the afternoon. Wind waves E 1 ft at 4 seconds...shifting to the S 2 ft at 4 seconds in the afternoon. W swell 8 ft at 14 seconds.
Fri night..S wind 5 to 10 kt...rising to 10 to 15 kt with gusts to 20 kt after midnight. Wind waves S 2 ft at 4 seconds. W swell 6 ft at 13 seconds. Chance of rain after midnight.
Sat..W wind 5 to 10 kt...becoming N 10 to 15 kt with gusts to 20 kt in the afternoon. Wind waves W 2 ft at 4 seconds... Shifting to the N 3 ft at 4 seconds in the afternoon. W swell 6 ft at 12 seconds. Chance of rain.
Sat night..N wind 15 to 20 kt...rising to 20 to 25 kt after midnight. Wind waves N 3 ft at 6 seconds. W swell 8 ft at 20 seconds. SEcondary swell W 6 ft at 12 seconds...building to 11 ft at 19 seconds after midnight.
Sun..N wind 20 to 25 kt. Wind waves 4 ft. W swell 13 ft.
Sun night..N wind 15 to 20 kt with gusts to 25 kt. Wind waves 4 ft. W swell 12 ft.
Mon..NE wind 5 to 10 kt. Wind waves 2 ft. W swell 10 ft.
Tue..S wind 5 to 10 kt. Wind waves 2 ft. W swell 6 ft.
PZZ200 248 Pm Pdt Thu Mar 30 2017
Synopsis for southern washington and northern oregon coast.. A ridge of high pres will build over the waters tonight and remain through Fri. A weak front will move across the waters Sat morning. High pres builds in from the W Sat afternoon through Sun.

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 302146
afdpqr
area forecast discussion
national weather service portland or
246 pm pdt Thu mar 30 2017

Synopsis Showers will be decreasing this afternoon and evening and
mostly end tonight and Friday as an upper level trough departs to the
east. A positively tilted upper ridge will be over the pacific
northwest Friday into Friday night for dry weather. The next front
will move in later Friday night and Saturday, weakening as it moves
through, with decreasing precipitation late Saturday and Saturday
night. A weak upper trough will be dropping in from the northwest
Sunday and Sunday night with a few showers, especially over the
higher terrain, lingering into Monday morning. An upper ridge will
then briefly build in before the next system arrives around Tuesday
night and Wednesday.

Short term Tonight through Sunday... Showers on the back side of an
upper level trough will be decreasing through this evening as the
upper level trough moves off to the east. A few showers will linger
near the higher terrain into tonight but mostly end as we move into
Friday as a positive tilted upper ridge moves into the pacific
northwest. With such wet ground, this raises the possibility of some
fog tonight and Friday morning, though the models indicate that
enough clouds may persist into Friday morning that any fog would be
patchy.

However, we should see some sunshine break through finally Friday
afternoon as the clouds break up more significantly.

The next system will edge in from the northwest late Friday night
with the main period of some precipitation Saturday morning,
especially along the coast and across our northern interior forecast
zones. Likely pops seem reasonable for those areas though amounts
will be limited as the system will be weakening. Precipitation tapers
off on all the models later Saturday and Saturday night behind the
system under flat westerly flow aloft.

On Sunday an upper trough carves out or digs down from the northwest
over the pacific northwest and this could lead to a few showers,
especially over the higher terrain but cannot be ruled out over the
valleys. The newer models have less digging than the previous ecmwf
in particular, and if this trend continues it is less threatening for
showers except perhaps in the northern mountains as the trough takes
on more of an inside slider track.

Snow levels will be below the cascade passes today into tonight, rise
considerably Friday, stay mostly above the passes this weekend,
perhaps falling back down to near the passes again late Sunday,
especially in the north. Tolleson

Long term Sunday night through Thursday... After a few leftover
showers Sunday night into early Monday, the models indicate a weak
ridge will bring drying Monday. The models vary after quite a bit
after that, with the GFS the lone model with a dying front Tuesday.

The next front approaches Wednesday and comes in Wednesday night and
Thursday. Expect the models will still show some variations in all of
this before they settle down on a solution. All in all, the weather
will tend a bit unsettled at times but with some decent periods
interspersed and nothing too significant for now. Tolleson

Aviation Conditions have finally improved toVFR at all TAF sites
and should remain there for the rest of today. Expect at least some
MVFR CIGS in the valley late tonight and early tomorrow morning, but
don't expect these conditions to be that widespread. Therefore, skies
should become mostly clear by mid to late morning across the area.

Pdx and approaches...VFR conditions for the remainder of today. MVFR
cigs likely by early tomorrow morning but should clear by mid to late
morning. /bentley

Marine Some pesky peak wind gusts to small craft strength have
stuck around for much of the morning and early afternoon, but 19z
ascat pass shows winds predominantly less than 20 knots and the
latest observation finally dropped peak wind below 20 knots, so do
not need to add a small craft advisory for winds. High pressure will
keep marine weather benign on Friday. A weak front will move east
across the waters Sat morning, but winds are likely to remain under
20 kt with this system. The next chance for small craft advisory
winds comes with northerly winds over the oregon waters Sat night and
sun.

Seas are expected to remain under 10 ft, other than higher seas in
the columbia river bar during the very strong ebbs, until Sat night
and Sun when a westerly swell arrives and brings seas up into the 12
to 14 ft range. On the leading edge of the arrival of this long
period swell train, have some concern for sneaker waves. Greatest
concern would be on Saturday due to the relatively nice weather on a
spring break weekend which may lead to a lot of beachgoers. During
this time, the long period swell will start to arrive with a low wave
amplitude which may increase wave runup along beaches and catch
beachgoers off guard without much visual change in sea conditions.

/bentley

Pqr watches/warnings/advisories
Or... None.

Wa... None.

Pz... Small craft advisory for rough columbia river bar from 4 pm
this afternoon to 8 pm pdt this evening.

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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 mi45 min 52°F1027.3 hPa
SBEO3 - 9435380 - South Beach, OR 60 mi45 min NNW 13 G 17 49°F 53°F1027.5 hPa
NWPO3 - Newport, OR 61 mi33 min NNW 9.9 G 11 49°F 1027.3 hPa (+0.4)

Wind History for Garibaldi, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
McMinnville, McMinnville Municipal Airport, OR4 mi40 minWNW 12 G 1710.00 miA Few Clouds56°F39°F53%1025.1 hPa
Salem, McNary Field, OR22 mi37 minWNW 1310.00 miA Few Clouds56°F39°F53%1024.9 hPa
Aurora, Aurora State Airport, OR23 mi40 minN 010.00 miMostly Cloudy56°F37°F51%1024.9 hPa

Wind History from MMV (wind in knots)
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Last 24hrW16
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W12W10SW3W5SW5SW5SW4W4W4SW5SW6W4SW7S4SW6SW3CalmNW7NW8N7W7W6W12
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2 days agoW11SW6SW7SW5S4S5SW6S6S7SE9S8S9S10S7S8S12S10S11S12S10S6S12S12S12

Tide / Current Tables for Portland, Morrison Street Bridge, Oregon
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Portland
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Thu -- 02:46 AM PDT     1.22 feet Low Tide
Thu -- 06:54 AM PDT     Sunrise
Thu -- 07:16 AM PDT     4.32 feet High Tide
Thu -- 08:45 AM PDT     Moonrise
Thu -- 03:45 PM PDT     1.27 feet Low Tide
Thu -- 07:37 PM PDT     Sunset
Thu -- 07:50 PM PDT     3.54 feet High Tide
Thu -- 11:01 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
21.71.31.21.62.63.64.34.13.42.82.52.42.11.81.41.31.72.53.33.53.22.62.3

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

Thu -- 04:57 AM PDT     0.68 feet Low Tide
Thu -- 06:54 AM PDT     Sunrise
Thu -- 08:41 AM PDT     9.40 feet High Tide
Thu -- 08:45 AM PDT     Moonrise
Thu -- 05:36 PM PDT     -0.43 feet Low Tide
Thu -- 07:37 PM PDT     Sunset
Thu -- 09:29 PM PDT     8.25 feet High Tide
Thu -- 11:01 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.64.12.71.60.90.72.35.88.79.48.87.76.24.42.81.40.3-0.3-0.22.25.67.98.27.6

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 (20,4,5,8)
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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 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.