Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Junction City, OR

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:17AMSunset 8:15PM Saturday August 17, 2019 7:32 PM PDT (02:32 UTC) Moonrise 8:41PMMoonset 7:15AM Illumination 94% Phase: Waning Gibbous; Moon at 17 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- 236 Pm Pdt Sat Aug 17 2019
Tonight..N wind 10 to 15 kt. Gusts to 20 kt early in the evening. Wind waves N 2 ft at 4 seconds. NW swell 4 ft at 8 seconds. SEcondary swell W 3 ft at 15 seconds.
Sun..N wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Wind waves N 2 ft at 4 seconds. NW swell 4 ft at 7 seconds. SEcondary swell W 3 ft at 15 seconds.
Sun night..N wind 5 to 10 kt. Gusts to 15 kt in the evening. Wind waves N 2 ft at 4 seconds. NW swell 3 ft at 7 seconds.
Mon..N wind 5 kt. Wind waves N 1 ft at 4 seconds. NW swell 4 ft at 9 seconds.
Mon night..N wind 10 kt with gusts to 15 kt, easing to 5 kt after midnight. Wind waves N 2 ft at 4 seconds. NW swell 5 ft at 9 seconds.
Tue..SW wind to 5 kt. Wind waves 2 ft. NW swell 4 ft.
Tue night..S wind 5 kt. Wind waves 2 ft. W swell 2 ft.
Wed..SW wind 5 to 10 kt. Wind waves 2 ft. W swell 7 ft.
Thu..N wind 10 to 15 kt. Wind waves 4 ft. NW swell 7 ft.
PZZ200 236 Pm Pdt Sat Aug 17 2019
Synopsis for the southern washington and northern oregon coast.. High pressure remains in place well offshore with thermal low pressure over southwestern oregon. Little change to the pattern for the next few days. High pressure shifts inland early next week, with a front reaching the coastal waters late Tuesday or Wednesday.


7 Day Forecast for Marine Location Near Junction City, OR
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location: 44.2, -123.23     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 172115
afdpqr
area forecast discussion
national service portland or
215 pm pdt Sat aug 17 2019

Synopsis After today's marine push of cooler air and partly to
mostly cloudy conditions, temperatures will warm slowly but steadily
through Tuesday. A weakening cool front will approach the coast
Wednesday afternoon, bringing increasing clouds, cooler air, and a
slight chance of showers Wednesday night or early Thursday. The end
of the week looks dry, with morning clouds and daytime temperatures
near normal.

Short term Tonight through Wednesday... A fairly uneventful pattern
for the next several days in terms of sensible weather. The rex block
over the pacific begins to break down, with the upper high over the
aleutian islands and bering sea retrograding, and the persistent
upper cutoff around 42n 160w moving slowly eastward. This cutoff is
eventually entrained by an upper trough dropping southward over the
gulf of alaska. Heights build over the pacnw in advance of this
system, with temperatures peaking on Tuesday several degrees above
normal. As the aforementioned upper trough and its surface low move
into the central bc coast Wednesday, a decaying cold front will drag
across the pacnw late Wednesday or Wednesday night. At 18z
Wednesday, ensemble mean ivt is a not-too-shabby (for august) 350-
400 kg m S over the eastern pacific as the front approaches the
or wa coast, but ivt quickly diminishes as low-level southerly flow
collapses in the 6-12 hours thereafter. There could be enough
lingering moisture and ascent for a slight chance of light
precipitation across southwest wa and far northwest or, particularly
along the coast. Precipitation certainty aside, there is high
confidence of a moderate marine intrusion and seasonably cooler
airmass arriving by Wednesday evening. Bright

Long term Wednesday night through Saturday... Following the passage
of the decaying cold front Wednesday night, onshore flow persists
through the end of the week. With the break down of the pacific
block, westerly flow with embedded progressive shortwaves will bring
a seasonable august weather scenario for the end of the week. The
timing of individual shortwaves will augment the morning
cloud afternoon clearing regime, but ensemble mean heights are high
enough that precipitation appears unlikely Thursday through
Saturday. Bright

Aviation Moderate to strong northwesterly onshore flow
continues, with a lowVFR to MVFR cloud deck lingering across the
region. This cloud shield will continue to gradually clear from
southeast to northwest through the afternoon and evening, with
clearing reaching a konp to kmmv line around 22z. Marine stratus
likely reforms across nearly all of the forecast area tonight
after 09z-12z.

Kpdx and approaches...VFR stratus will continue to slowly lift
and possibly scatter late this afternoon. Surface winds remain
light. MVFR stratus likely returns around 11z tonight. Cullen

Marine High pressure remains in place well offshore as thermal
low pressure persists over northwestern california and
southwestern oregon. The surface pressure gradient isn't
particularly strong and will maintain winds closer to 15 kt over
most of the waters, though a few gusts to 20 kt possible over the
southern and outer portions of the coastal waters.. Meanwhile,
seas holding around 6-7 feet, with a mix of a larger 8 second
and smaller 15 second swell.

Little change to the overall pattern through the start of next
week. A front will move near the waters early next week,
bringing south winds to the waters Tuesday and Wednesday. Cullen

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 52 mi51 min NNW 13 G 20 63°F 55°F1013.9 hPa
NWPO3 - Newport, OR 53 mi33 min N 13 G 15 58°F
46050 - STONEWALL BANKS - 20NM West of Newport, OR 76 mi33 min N 9.7 G 12 1014.9 hPa (-1.7)

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, OR6 mi39 minNNE 1310.00 miPartly Cloudy77°F53°F43%1012.1 hPa
Corvallis, Corvallis Municipal Airport, OR22 mi37 minNNE 1110.00 miFair76°F55°F48%1012.5 hPa

Link to 5 minute data for KEUG

Wind History from EUG (wind in knots)
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Last 24hrNW10N7NE6NE5N4N5NW6NW7N6N6CalmCalmNW4NW4N7N10N10
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1 day agoNW10NW4E3NE3CalmCalmN4CalmNW4CalmNW5N5N9N13N13N10N8
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2 days agoNW9E6N4NW3N5CalmCalmCalmNW3CalmCalmCalmN4N7N7N10N9N8N6NE10
G19
N8NE12NE11N11

Tide / Current Tables for Toledo, Yaquina Bay and River, Oregon
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Toledo
Click for Map
Sat -- 02:28 AM PDT     7.92 feet High Tide
Sat -- 06:20 AM PDT     Sunrise
Sat -- 08:17 AM PDT     Moonset
Sat -- 09:20 AM PDT     0.06 feet Low Tide
Sat -- 03:39 PM PDT     7.08 feet High Tide
Sat -- 08:18 PM PDT     Sunset
Sat -- 09:25 PM PDT     2.11 feet Low Tide
Sat -- 09:43 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.677.87.875.63.92.20.80.10.31.22.84.566.976.45.33.92.82.22.23.1

Tide / Current Tables for Waldport, Alsea Bay, Oregon
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Waldport
Click for Map
Sat -- 01:55 AM PDT     7.51 feet High Tide
Sat -- 06:21 AM PDT     Sunrise
Sat -- 08:18 AM PDT     Moonset
Sat -- 08:42 AM PDT     0.07 feet Low Tide
Sat -- 03:06 PM PDT     6.71 feet High Tide
Sat -- 08:18 PM PDT     Sunset
Sat -- 08:47 PM PDT     2.29 feet Low Tide
Sat -- 09:44 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.27.27.57.164.42.71.20.30.10.723.65.26.36.76.45.64.43.32.52.32.83.8

Weather Map and Satellite Images
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wmap_P
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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Portland, OR (22,6,7,8)
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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.