Saturday, February23, 2019 L-36.com


Marine Weather and Tides
Eugene, OR

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:57AMSunset 5:53PM Saturday February 23, 2019 6:32 AM PST (14:32 UTC) Moonrise 11:08PMMoonset 9:34AM Illumination 82% Phase: Waning Gibbous; Moon at 19 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- 301 Am Pst Sat Feb 23 2019
.small craft advisory for hazardous seas in effect from 10 am pst this morning through this afternoon...
Today..W wind 10 to 15 kt. Wind waves W 2 ft at 4 seconds. W swell 9 ft at 13 seconds. Chance of rain before Sunrise, then chance of showers.
Tonight..W wind 5 to 10 kt with gusts to 15 kt. Wind waves W 2 ft at 4 seconds. W swell 9 ft at 12 seconds. Rain.
Sun..NW wind 5 to 10 kt with gusts to 15 kt. Wind waves nw 2 ft at 4 seconds. NW swell 7 ft at 11 seconds. Rain.
Sun night..E wind 10 to 15 kt. Gusts to 20 kt after midnight. Wind waves E 3 ft at 4 seconds. SWell nw 5 ft at 10 seconds. SEcondary swell S 5 ft at 8 seconds. Rain.
Mon..SE wind 20 to 25 kt with gusts to 30 kt. Wind waves se 5 ft at 6 seconds. NW swell 5 ft at 10 seconds. Rain.
Mon night..NW wind 10 to 15 kt with gusts to 20 kt, becoming W 5 kt after midnight. Wind waves W 2 ft at 4 seconds. S swell 6 ft at 10 seconds. Chance of rain.
Tue..E wind 15 to 20 kt. Wind waves 4 ft. SW swell 5 ft.
Wed..S wind 10 to 15 kt. Wind waves 3 ft. W swell 7 ft.
PZZ200 301 Am Pst Sat Feb 23 2019
Synopsis for the southern washington and northern oregon coast.. A cold front moved onshore earlier today. Weak low pressure along the british columbia coast tonight will drift south to the washington and oregon waters by Sunday morning. A stronger low pressure system will approach the oregon coast Sunday night and Monday. Additional low pressure systems are expected next 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 231128
afdpqr
area forecast discussion
national weather service portland or
328 am pst Sat feb 23 2019

Synopsis An unseasonably cold and unsettled weather pattern will
continue for much of the next week with low elevation snow possible
Sunday night into Monday, particularly north of a line extending
between salem and mt hood.

Short term Today through Monday... Another very busy night here at
the forecast office. Will try to elaborate further on the rationale
behind the forecast after products go out, but here is a preliminary
summary of the adjustments which will be made to our package of
winter highlights this morning:
- winter storm watch upgraded to a warning for north oregon cascades
and foothills tonight and Sunday... 12 to 24 inches of snow expected.

- winter storm watch upgraded to a warning for lane county cascades
tonight through Monday morning... 18 to 36 inches of snow expected.

- winter weather advisory for the west and central columbia gorge and
hood river valley tonight through Sunday morning... 2 to 6 inches of
snow expected.

- new winter storm watch for the west and central columbia gorge and
hood river valley late Sunday night through Monday night... 4 to 12
inches of snow possible, followed by a possible transition to
freezing rain west of cascade locks.

- new winter storm watches for the greater portland and vancouver
metro area, central willamette valley, north oregon coast and coast
range, lower columbia, and i-5 corridor late Sunday night through
Monday... 2 to 8 inches of snow possible, heaviest in and near the
coast range. Additional freezing rain possible near troutdale and
washougal Monday night.

- new winter storm watch for south washington cascades and foothills
Sunday night through Monday night... 6 to 18 inches of snow possible,
followed by possible freezing rain in the valleys.

- new winter storm watch for the north oregon cascades and foothills
Sunday night through early Tuesday morning... An additional 12 to 24
inches possible.

Quick summary of the rationale behind this: frontal zone will stall
as expected near the lane douglas county border before weak wave of
low pressure develops along the front and moves onshore early Sunday
morning, enhancing precipitation along the front. Snow will be heavy
in the cascades and foothills, but snow levels are expected to stay
just above the valley floors even to the north of the low front. Next
wave of low pressure follows, with a track slightly north of the 00z
ecmwf favored, with landfall somewhere near lincoln city Monday
morning. This is still far enough south for significant lowland
snowfall to the north of the low as it tracks e-ne toward mount hood
and disintegrates. The northern extent of significant snowfall
remains in question, but it appears the heaviest snow will remain
south and east of the willapa hills. It still looks like portions of
the oregon cascades will receive 2 to 4 feet of snow between now and
Tuesday morning. To the south of the low front, we may have some
urban small stream flood concerns due to rising freezing levels and
heavy qpf. Coastal rivers may threaten to flood as well, mainly in
southern lincoln and lane counties. Weagle

Long term Monday night through Friday... No changes... Previous
discussion from Friday afternoon follows... The forecast for the
remainder of the upcoming week remains complicated due to
significant model differences so will continue to use a blend of
models rather than a single deterministic model. The general trend
is for the active weather pattern to continue through the week as
additional disturbances moves approach the region. Will continue to
see a potential for low elevation snow the the middle of the week,
but snow levels look to rise about 2000 feet for the second half of
the week. 64

Aviation Fog and low stratus continues to develop across
portions of the interior lowlands despite the showery and only
modestly unstable air mass. Latest satellite and surface
observation trends reveal that the air mass is remaining well-
mixed in the vicinity of stronger showers. Meanwhile, the remains
of the cold front are bringing steadier precipitation to an area
mostly along and east of a kczk to ksle line. Dewpoint
depressions remain very small, so may yet see some expansion of
the fog and low clouds. Conditions should improve to mainlyVFR
over the interior by late morning or early afternoon Saturday.

However, a weak low pressure system is expected to form along the
stalled cold frontal boundary offshore and move onshore along
the central oregon coast by nightfall, resulting in steadier rain
and likely MVFR CIGS by evening from around ksle southward.

Kpdx and approaches... Periods of ifr fog low stratus will impact
the terminal at times through mid-morning. Otherwise, expect
mainly MVFR conditions tonight, with the occasional light shower
overnight, and lifting toVFR by late Saturday morning. Cullen

Marine Relatively light northwest winds remain across the
waters through the day today. And should remain so through the
day Saturday. Forecast models suggest that a weak low will form
along the stalled cold frontal boundary, and ride along the
boundary until it pushes onshore somewhere near florence late sat
night. Expect southerly winds to increase on the south side of
this low, reaching gusts of 25 to 35 kt. There is a chance that
these winds will impact the very southern portions of the coastal
waters late tonight (generally offshore of florence and south),
depending on exactly where the low tracks. Winds will be out of
the n-ne and much lighter on the north side of the low.

A stronger low is expected to form along the quasi-stationary
frontal boundary on Sunday into Monday. It will likely make
landfall somewhere along the oregon coast, but the location is
still somewhat uncertain at this time. Areas to the south of the
low look to have a good chance to see gale force winds late sun
night into Mon morning, potentially some high end gales. To the
north of the low center, winds will be offshore and will
potentially gust to small craft advisory speeds as well. Active
weather looks to continue next week, but forecast details are
highly uncertain at this time.

Seas are expected to build to near 11 feet later today. Seas then
lower below 10 ft early next week. However, there will be
potential for sees to briefly build back into the teens late
Sunday night and into Monday. This is particularly true if gale
strength winds develop across the coastal waters. Cullen

Pqr watches warnings advisories
Or... Winter weather advisory from 8 pm this evening to 11 am pst
Sunday for central columbia river gorge-upper hood river
valley-western columbia river gorge.

Winter storm watch from late Sunday night through late Monday
night for central columbia river gorge-upper hood river
valley-western columbia river gorge.

Winter weather advisory until 4 am pst early this morning for
northern oregon cascade foothills-northern oregon cascades.

Winter storm warning from 6 pm this evening to 4 pm pst Sunday
for northern oregon cascade foothills-northern oregon
cascades.

Winter storm watch from Sunday evening through late Monday
night for northern oregon cascade foothills-northern
oregon cascades.

Winter weather advisory until 7 am pst this morning for
cascades in lane county.

Winter storm warning from 4 pm this afternoon to 10 am pst
Monday for cascades in lane county.

Winter storm watch from late Sunday night through Monday
afternoon for central willamette valley-coast range of
northwest oregon-greater portland metro area-north oregon
coast.

Winter storm watch from late Sunday night through Monday
afternoon for lower columbia.

Wa... Winter weather advisory from 8 pm this evening to 11 am pst
Sunday for central columbia river gorge-western columbia
river gorge.

Winter storm watch from late Sunday night through late Monday
night for central columbia river gorge-western columbia
river gorge.

Winter storm watch from late Sunday night through Monday
afternoon for greater vancouver area.

Winter storm watch from late Sunday night through Monday
afternoon for i-5 corridor in cowlitz county.

Winter storm watch from late Sunday night through Monday
evening for south washington cascade foothills-south
washington cascades.

Pz... Small craft advisory for hazardous seas until 6 pm pst this
evening for coastal waters from CAPE shoalwater wa to
cascade head or out 60 nm.

Small craft advisory for hazardous seas from 10 am this morning
to 6 pm pst this evening for coastal waters from cascade
head or to florence or out 60 nm.

Small craft advisory for rough columbia river bar until 10 am
pst this morning.

Small craft advisory for rough columbia river bar from 5 pm
this afternoon to 11 pm pst 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 mi33 min E 5.1 G 8 40°F 49°F1020.7 hPa (+0.3)
NWPO3 - Newport, OR 61 mi33 min WSW 7 G 8 46°F 1020.6 hPa (+0.4)
46229 - UMPQUA OFFSHORE, OR (139) 76 mi33 min 52°F7 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 mi39 minSE 510.00 miOvercast41°F39°F93%1021.2 hPa

Wind History from EUG (wind in knots)
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Last 24hrS4S9S8S9S8S13S11S8S11S11S11SW10S7SW8SW8S11SW7S4SW6CalmS5E3NE4SE5
1 day agoN9N10N9N8N9NE7N9NE10NE9NE7N10N7NE4NW4CalmS3S4S3S7SW5SW5S5SW6SW6
2 days agoS4W4SW5SW9SW6SW6CalmNW3W6SW8SW4S65
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Tide / Current Tables for Florence, Siuslaw River, Oregon
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Florence
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Sat -- 03:32 AM PST     7.10 feet High Tide
Sat -- 07:03 AM PST     Sunrise
Sat -- 09:37 AM PST     Moonset
Sat -- 09:56 AM PST     0.77 feet Low Tide
Sat -- 03:48 PM PST     6.16 feet High Tide
Sat -- 05:56 PM PST     Sunset
Sat -- 10:00 PM PST     0.78 feet Low Tide
Sat -- 11:11 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.94.66.1776.353.52.11.10.81.22.33.755.96.15.74.73.42.11.10.81.2

Tide / Current Tables for Entrance, Siuslaw River, Oregon
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Entrance
Click for Map
Sat -- 02:42 AM PST     7.92 feet High Tide
Sat -- 07:03 AM PST     Sunrise
Sat -- 09:01 AM PST     0.93 feet Low Tide
Sat -- 09:37 AM PST     Moonset
Sat -- 02:58 PM PST     6.87 feet High Tide
Sat -- 05:56 PM PST     Sunset
Sat -- 09:05 PM PST     0.94 feet Low Tide
Sat -- 11:11 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.96.67.77.97.25.84.12.51.40.91.32.43.95.46.56.96.55.442.51.40.91.32.4

Weather Map and Satellite Images
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GOES Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Wind Forecast for Portland, OR (9,2,3,4)
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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.