Tuesday, April25, 2017 L-36.com


Marine Weather and Tides
Eugene, 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 6:08AMSunset 8:11PM Tuesday April 25, 2017 11:23 AM PDT (18:23 UTC) Moonrise 5:07AMMoonset 6:23PM Illumination 0% Phase: New Moon; Moon at 29 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- 915 Am Pdt Tue Apr 25 2017
.small craft advisory for winds in effect through this evening...
.small craft advisory for hazardous seas in effect from 2 pm pdt this afternoon through late tonight...
Today..S wind 20 to 25 kt with gusts to 30 kt. Brief gusts to 35 kt possible this afternoon. Wind waves S 7 ft at 7 seconds. W swell 6 ft at 12 seconds. Rain.
Tonight..SW wind 20 to 25 kt...easing to 10 to 15 kt after midnight. Wind waves sw 5 ft at 5 seconds. SW swell 7 ft at 8 seconds...shifting to the W 6 ft at 9 seconds after midnight. Rain.
Wed..NW wind 10 to 15 kt. Wind waves nw 4 ft at 5 seconds. W swell 7 ft at 12 seconds. Rain likely in the morning...then chance of showers in the afternoon.
Wed night..W wind 15 to 20 kt...becoming nw 10 to 15 kt after midnight. Wind waves W 3 ft at 5 seconds. W swell 8 ft at 12 seconds.
Thu..NW wind 10 to 15 kt. Wind waves nw 2 ft at 4 seconds. W swell 8 ft at 12 seconds.
Thu night..NW wind 10 to 15 kt. Wind waves nw 2 ft at 4 seconds. W swell 8 ft at 12 seconds.
Fri..N wind 10 to 15 kt. Wind waves 4 ft. W swell 7 ft.
Sat..NW wind 10 to 15 kt. Wind waves 3 ft. W swell 5 ft.
PZZ200 915 Am Pdt Tue Apr 25 2017
Synopsis for southern washington and northern oregon coast.. A front moves into the waters later this morning and ashore late in the afternoon. Surface high pressure builds offshore for the latter half 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 251718
afdpqr
area forecast discussion
national weather service portland or
1017 am pdt Tue apr 25 2017

Synopsis A brief break in the rain early this morning will come to
an end as the leading round of rain will spread onshore and across
ther region this morning. And into the early afternoon. More rain
tonight, especially late tonight into early Wednesday. Snow levels
rise today, but will fall back to pass levels in the cascades on wed
as cooler air arrives. Showers decreasing on fri, with a dry and mild
day on tap for Saturday. However, the next disturbance will bring a
renewed threat of rain on Sunday.

Short term... (today through Thursday)... Plenty of clouds remain in
place acrossj the forecast area this morning, with some light
moisture also begining to spread across the region. Outside of some
light showers that developed inland ahead of the warm front near
scappoose and north into cowlitz and skamania counties, no real sign
of measurable rainfall has been somewhat sparse thus far this
morning. That will change later this morning, as an occluded front
offshore will spread more clouds and rain to the coast by
mid-morning, with rain spreading across all of the remainder of the
interior later this morning into early afternoon. Most areas in the
interior may only see one to three tenths of an inch today through
evening, but somewhat larger amounts are more likely across the
higher terrain of the cascades and also the coastal mountains.

Remainder of previous discussion follows. Cullen
models insist on bringing another frontal system into the region
later tonight into Wed am. So, with that in mind, will see rain
tonight into Wed am. Now, could see somewhat of a lull in the rain
this evening behind the occluded front. Not a lot of cold air behind
the front, so not not much in way of showers. But, next system
arriving later tonight, so rain will start increasing along the coast
by late evening, quickly spreading inland after midnight. So, even
though may see a lull this evening, may not be last too long.

Cold front will push to the coast Wed am, and then across the
interior Wed afternoon. So, will see rain transition to showers on
wed. Snow levels will stay up tonight into Wed am, generally 5000 to
6500 feet. But snow levels lower Wed afternoon as colder air spreads
inland. Likely to see down to 3500 to 4500 feet by late wed
afternoon. Very well could see 3 to 7 inches of new snow in the
showers Wed afternoon and Wed night, as westerly flow aloft will
favor continued decent orographic uplift for the cascades.

Not much change on thu, as will maintain cool onshore flow with
showers. rockey.

Long term No changes. Previous discussion follows... Thursday night
through Monday... The strong jet aimed over the pacific northwest
during the middle of the week will slowly become more north-south
oriented and shift east of the region Thursday night and Friday. This
should result in decreasing showers during this period. Models are in
decent agreement that shortwave ridging will push over the pacific
northwest Friday night and Saturday and will bring some sunshine and
mild temperatures. This pleasant weather could last into Sunday, but
it could certainly be short lived based on the latest operational and
ensemble model guidance. As a result, trended pops into at least
mentionable thresholds and closer to climo for Sunday and Monday.

/neuman

Aviation Vfr conditions most areas as a warm front lifts
north. Exceptions are konp where dew point spread remains low
and khio there MVFR likely to become more widespread with the
cold front later today and this evening. CIGS appear to remain
MVFR 020-030 at best following the cold front and more likely in
the 015-020 range. CIGS will remain low, especially for areas
south of a ktmk-ksle line, through Wednesday morning as another
frontal disturbance is aimed at southern oregon and arrives after
26/09z. Would also expect vsbys to remain MVFR at best per
guidance, but have a feeling heavy rains will drop vsbys into an
ifr range for several hours during the morning.

Kpdx and approaches...VFR conditions will remain through about
20z the chances for MVFR increase as rain increases. MVFR most
probable between 22z and 03z wed, through it may last longer into
the evening. If they do improve, then expect another drop
overnight with CIGS at or below 020 and about a 20% chance of
below 010 through 26/18z. /jbonk

Marine Sca wind gusts have arrived at buoy 50 and will
gradually increase with gusts primarily around 30 kt today.

Models have backed off on the threat of gales today but have not
completely eliminated them. Thus, have still included a mention
of brief 35 kt gusts for today in the products.

A weak surface low passes south of the waters Wednesday while
broader high pressure builds over the nepac keeping a relative
lull in winds through Friday. Seas may next reach 10-11 ft
Thursday through early Friday as the southern end of a swell
train clips the northern waters from a surface low crossing the
alaskan panhandle. /jbonk

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

Wa... None.

Pz... Small craft advisory for winds until 11 pm pdt this evening for
coastal waters from CAPE shoalwater wa to florence or out
60 nm.

Small craft advisory for hazardous seas from 2 pm this
afternoon to 5 am pdt Wednesday for coastal waters from
cape shoalwater wa to florence or out 60 nm.

Small craft advisory for rough columbia river bar from 4 pm
this afternoon to 7 pm pdt this evening.

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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 mi54 min SE 8 G 9.9 51°F 53°F1013.6 hPa
NWPO3 - Newport, OR 61 mi84 min SE 6 G 8.9 50°F 1013.8 hPa (-1.8)
46229 - UMPQUA OFFSHORE, OR (139) 76 mi38 min 52°F8 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 mi30 minSSE 810.00 miOvercast52°F45°F77%1014.5 hPa

Wind History from EUG (wind in knots)
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Last 24hrS16--SW12SW16
G24
W10W14W12W7SW7SW5W8SW6SE6SW5S4SE3SE3SE9SE8SE6SE9SE12S10S8
1 day agoS14SW11W16W11
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W12SW12SW11SW9SW9SW9SW3SW10S7S4S7S10S12SE12S11S11S19
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2 days agoW15
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SW14W13SW9SW7SW6W5SW3S3SE4S3CalmS4CalmS6SE7S5S5S6S10
G17
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G19

Tide / Current Tables for Florence, Siuslaw River, Oregon
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Florence
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Tue -- 12:29 AM PDT     6.63 feet High Tide
Tue -- 06:10 AM PDT     Moonrise
Tue -- 06:16 AM PDT     Sunrise
Tue -- 07:03 AM PDT     -0.23 feet Low Tide
Tue -- 01:06 PM PDT     5.98 feet High Tide
Tue -- 07:06 PM PDT     0.54 feet Low Tide
Tue -- 07:26 PM PDT     Moonset
Tue -- 08:12 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.56.55.84.42.81.30.2-0.20.11.32.84.35.565.74.73.4210.50.923.55.2

Tide / Current Tables for Drift Creek, Alsea River, Oregon
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Drift Creek
Click for Map
Tue -- 12:27 AM PDT     6.60 feet High Tide
Tue -- 06:10 AM PDT     Moonrise
Tue -- 06:15 AM PDT     Sunrise
Tue -- 07:54 AM PDT     -0.15 feet Low Tide
Tue -- 01:03 PM PDT     6.02 feet High Tide
Tue -- 07:26 PM PDT     Moonset
Tue -- 07:59 PM PDT     0.41 feet Low Tide
Tue -- 08:13 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.56.55.94.93.52.10.90.1-0.10.62.145.465.853.92.61.50.70.412.74.6

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 (14,3,4,5)
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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.