Monday, June26, 2017 L-36.com


Marine Weather and Tides
Eugene, 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 5:29AMSunset 9:01PM Monday June 26, 2017 11:57 AM PDT (18:57 UTC) Moonrise 7:39AMMoonset 10:14PM 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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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- 834 Am Pdt Mon Jun 26 2017
Today..NW wind 10 kt, rising to 10 to 15 kt in the afternoon, except S 10 kt in the inner waters into the afternoon. Wind waves nw 3 ft at 4 seconds. NW swell 5 ft at 8 seconds. Patchy drizzle in the morning. Patchy fog.
Tonight..NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Wind waves nw 2 ft at 4 seconds. NW swell 5 ft at 9 seconds. Patchy fog. Patchy drizzle after midnight.
Tue..NW wind 5 to 10 kt with gusts to 15 kt, rising to 10 to 15 kt with gusts to 20 kt in the afternoon. Wind waves nw 3 ft at 4 seconds. NW swell 6 ft at 9 seconds. Patchy drizzle and fog in the morning.
Tue night..NW wind 20 to 25 kt, strongest in the outer waters, becoming N 15 to 20 kt after midnight. Wind waves nw 3 ft at 5 seconds. NW swell 6 ft at 8 seconds.
Wed..NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Wind waves nw 3 ft at 5 seconds. NW swell 7 ft at 8 seconds.
Wed night..NW wind 15 to 20 kt, becoming N 10 to 15 kt after midnight. Wind waves nw 3 ft at 5 seconds. NW swell 6 ft at 8 seconds.
Thu..NW wind 10 to 15 kt. Wind waves 3 ft. W swell 5 ft.
Fri..NW wind 10 to 15 kt. Wind waves 3 ft. W swell 5 ft.
PZZ200 834 Am Pdt Mon Jun 26 2017
Synopsis for southern washington and northern oregon coast.. Higher pres will remain over the ne pac and along the S washington and N oregon coasts for the next few days. Thermal low pres will tend to remain well S in N california. After some S winds along the immediate coast today along parts of the oregon coast, winds will tend to be summer type N or nw much of the week.

7 Day Forecast for Marine Location Near Eugene, OR
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location: 44.06, -123.17     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 261643 aaa
afdpqr
area forecast discussion
national weather service portland or
943 am pdt Mon jun 26 2017

Synopsis High pressure over the pacific northwest will weaken over
northwestern oregon and southwestern washington. A marine surge will
continue to push inland overnight, for much cooler temperatures
today. There is a slight chance for some high-based thunderstorms
over the portions of the forecast area on Monday. Dry northwesterly
flow sets up later this week across the region, bringing more
seasonable temperatures and a pattern of morning clouds and afternoon
sunshine.

Short term Today through Thursday... Today is a transition day for
the weather pattern over the pac nw. The strong upper level ridge
that brought record breaking heat over the weekend has shifted east
into the rockies. This has opened the door for a shortwave trough to
approach the oregon coast. We are seeing some pretty significant
thunderstorm activity this morning over portions of the north oregon
coast and coast range, as well as for western portions of the
willamette valley. These storms are associated with elevated
instability and moisture in the southerly flow aloft ahead of the
trough. The 12z ksle sounding had a precipitable water value of 1.41
inches, which is near the maximum value recorded for the date. There
is also some diffluence in the upper level flow, which is likely
playing a part. The thunderstorm threat will continue through the
morning, and potentially into the early afternoon. We then expect any
thunder to become confined to the high cascades later this afternoon
as the shortwave moves onshore and turns the steering flow
southwesterly. We also lose the diffluent flow aloft this afternoon.

In addition to the thunderstorms, the region is experiencing a
significant cool down today. Southwest low level flow overnight
brought cooler marine into the interior. The marine stratus was
slower to arrive than expected and has not filled the entire lowlands
, but it has been gradually expanding over the past few hrs. The
airmass over the region was still fairly warm this morning, but the
increased clouds will help to cool high temps today. There will also
be strengthening onshore flow and cold advection this afternoon. The
fcst models are suggesting highs over the interior only reaching into
the mid 70s. We didn't go quite that low given the less than expected
cloud cover, but our fcst highs in the mid to upper 70s are still
20-25 degrees cooler than yesterday for the interior lowlands.

Northwesterly flow aloft sets up over the region for the remainder of
the first half of the week. Expect increased marine cloud cover and
even cooler temperatures Tuesday and Wednesday. With the thicker
marine layer in place, clearing may be delayed until later in the
afternoon with perhaps a few areas of morning drizzle possible along
the north coast and or in the cascade foothills. Forecast models
remain in rather good agreement for Thursday, with the next ridge
building over the region. This will bring warming temperatures and
skies will likely trend towards mostly sunny earlier in the morning,
though onshore low-level flow will maintain at least some clouds.

Pyle cullen

Long term Thursday night through Monday... Little change to the
overall pattern into Friday as the upper ridge migrates east across
the pacific northwest and east of the cascades later Friday. This
should bring afternoon high temperatures a little warmer over the
interior, but not much beyond 80f as heights only build to 582 dam.

Models begin to diverge a bit into the weekend, but at least moderate
confidence in the upper trough bringing increasing clouds and
probably some light showers at some point over the weekend. High
temperatures will trend closer to seasonal normals. Cullen

Aviation Onshore low level flow with lifr to low MVFR conditions
at the coast in marine stratus, which is just reaching kpdx now
and trying to reach the south willamette valley. With an upper
short wave along the coast moving through today, may see the
stratus expand some more today before and cover more of the
valley. CIGS will probably raise toVFR this afternoon inland
could stay higher MVFR at the coast. Will also see some isolated
showers and thunderstorms across the inland areas that may last
into the afternoon in the valleys and the cascades then move east
of the area late in the day.

The onshore flow should help the marine stratus lower tonight so
cigs should lower to MVFR tonight.

Kpdx and approaches... MVFR CIGS this morning will slowly lift to
lowerVFR CIGS later today and this evening then back to MVFR
after midnight tonight. Pt

Marine A very weak trough over the waters will give way to
building
high pres through the day today and remain through most of next week.

After some south winds along the oregon coast into the afternoon,
this will bring a return to northerly winds. The winds may come close
to small craft advisory threshold during the afternoon and evening
on Tue and wed, but it looks very borderline. The high pres weakens
some late next week.

Seas to continue well below 10 ft for the next several days.

Currently
seas are around 5 to 6 ft with a 7 to 9 second dominant period.

Seas will be somewhat choppy but does not look like it will
exceed advisory criteria. There is the potential for another uni-
wave set-up Tue and Wed which usually brings fairly steep choppy
seas. Mh pt

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
SBEO3 - 9435380 - South Beach, OR 61 mi40 min SSW 7 G 11 57°F 57°F1017.4 hPa
NWPO3 - Newport, OR 61 mi58 min SSW 8 G 9.9 55°F 1017.6 hPa (+1.0)
46229 - UMPQUA OFFSHORE, OR (139) 76 mi34 min 55°F6 ft

Wind History for South Beach, Yaquina River, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Eugene, Mahlon Sweet Field, OR5 mi64 minSW 910.00 miMostly Cloudy65°F55°F70%1016.3 hPa

Wind History from EUG (wind in knots)
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Last 24hrCalm3SW13W16W18W13SW13SW12W13
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SW11W9S4SW8SW9S7SW4SW5SW6SW11W8W10SW7SW9SW9
1 day agoN7N11N10N11N13N12N14N10N7N7N5CalmCalmS3S4SW6S33S5S3SW5SW3CalmN4
2 days agoN12
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N11N9N7N3------------CalmCalmCalmNE8N7NE9

Tide / Current Tables for Florence, Siuslaw River, Oregon
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Florence
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Mon -- 02:34 AM PDT     7.49 feet High Tide
Mon -- 05:35 AM PDT     Sunrise
Mon -- 08:42 AM PDT     Moonrise
Mon -- 09:42 AM PDT     -1.63 feet Low Tide
Mon -- 04:15 PM PDT     6.03 feet High Tide
Mon -- 09:03 PM PDT     Sunset
Mon -- 09:45 PM PDT     1.85 feet Low Tide
Mon -- 11:17 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
56.47.37.46.75.23.31.3-0.4-1.4-1.6-0.90.62.44.15.465.853.92.821.92.4

Tide / Current Tables for Drift Creek, Alsea River, Oregon
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Drift Creek
Click for Map
Mon -- 02:35 AM PDT     7.11 feet High Tide
Mon -- 05:33 AM PDT     Sunrise
Mon -- 08:41 AM PDT     Moonrise
Mon -- 10:30 AM PDT     -1.20 feet Low Tide
Mon -- 04:07 PM PDT     5.84 feet High Tide
Mon -- 09:04 PM PDT     Sunset
Mon -- 10:37 PM PDT     1.07 feet Low Tide
Mon -- 11:17 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.85.66.97.16.55.43.92.30.7-0.5-1.1-1.10.11.83.75.25.85.64.93.92.71.81.21.2

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 (14,3,4,5)
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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.