Tuesday, June18, 2019 L-36.com


Marine Weather and Tides
Dallas, OR

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Sunrise 5:23AMSunset 9:03PM Tuesday June 18, 2019 4:28 PM PDT (23:28 UTC) Moonrise 9:27PMMoonset 5:38AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 229 Pm Pdt Tue Jun 18 2019
.small craft advisory in effect until midnight pdt tonight...
Tonight..N wind 15 to 20 kt with gusts to 25 kt, easing to 10 to 15 kt with gusts to 20 kt after midnight. Wind waves N 4 ft at 5 seconds. NW swell 5 ft at 9 seconds.
Wed..N wind 10 to 15 kt. Gusts to 20 kt in the afternoon. Wind waves N 3 ft at 4 seconds. NW swell 5 ft at 9 seconds.
Wed night..N wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Wind waves N 4 ft at 5 seconds. NW swell 6 ft at 8 seconds.
Thu..NW wind 10 to 15 kt. Wind waves nw 3 ft at 4 seconds. NW swell 6 ft at 8 seconds.
Thu night..N wind 10 to 15 kt. Gusts to 20 kt in the evening. Wind waves N 3 ft at 5 seconds. NW swell 7 ft at 8 seconds.
Fri..N wind 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft. NW swell 6 ft.
Fri night..N wind to 15 kt with gusts to 20 kt. Wind waves 4 ft. NW swell 5 ft.
Sat..N wind 10 to 15 kt. Wind waves 3 ft. NW swell 5 ft.
Sun..NW wind 10 to 15 kt. Wind waves 3 ft. NW swell 5 ft.
PZZ200 229 Pm Pdt Tue Jun 18 2019
Synopsis for the southern washington and northern oregon coast.. High pres will remain over the offshore waters for the next few days. Thermal low pressure remains over nw california through the week. An upper level low is expected to settle over the ne pacific late this weekend or early next week.


7 Day Forecast for Marine Location Near Dallas, OR
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location: 44.99, -123.35     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 182104
afdpqr
area forecast discussion
weather service portland or
204 pm pdt Tue jun 18 2019

Synopsis The pattern of areas of morning clouds and some
afternoon Sun continues through Wednesday, with seasonable
temperatures. Thursday brings the coolest day of the week along with
a chance for showers as an upper trough of low pressure moves across
the pacific northwest. Dry weather and seasonable temperatures
return Friday and Saturday.

Short term Tonight through Friday... Upper heights will continue
to gradually lower tonight and Wednesday as another weak short wave
moves through in the northwest flow aloft. This will continue the
pattern of late night and morning clouds along the coast and in the
northern interior. Daytime temperatures will cool to a bit below
normal as 850 mb temperatures drop another 5 degrees celsius.

Wednesday night through Thursday night a pair of more substantial
shortwaves carves out an upper trough of low pressure over the
pacific northwest. Moisture deepens some with this system, although
models still generally confined it to below 10k feet at its peak
Thursday morning. The moist layer is marginally unstable, so given
the dynamics associated with the shortwaves expect to see some
showers with this system. While most of the forecast area will see
some chance for showers, the best chances will be over the west
facing slopes of the cascades and coast range where orographic flow
will enhance lift. Temperatures will be at their coolest of the
week, with snow levels likely dropping down to the highers passes
for the day before the summer solstice. Any accumulations would be
likely a dusting at best, and would melt quickly during the day due
to some of the strongest solar energy of the year.

Drier weather returns Friday as the upper trough moves east and
ridging builds in from the west. Surface flow to remain onshore, but
becomes more northerly with the surface ridge extending inland into
washington. This should result in a return to a pattern of morning
clouds and afternoon clearing for the interior, with daytime
temperatures returning to closer to normal after a cool morning.

Long term Friday night through Tuesday... The beginning of summer
will not seem like it as a cool and somewhat unsettled pattern
dominates the forecast area. A weak 500 mb ridge is forecast to be
over the area sat. However, onshore low-level flow will maintain the
pattern of late night morning low clouds and afternoon clearing. Max
temps Sat will be close to normal. The long-wave pattern begins to
show signs of change Sat night and sun. A fairly deep 500 mb low is
forecast to be near haida gwaii 12z sun. Expect a deeper marine
layer Sat night and sun, with the potential for some light precip in
sw washington and also the north oregon coast Sun morning.

By Mon the large upper level trough will be over the NE pac. The 12z
operational GFS shows the upper low along 46n 130w at 00z tue, while
the 12z ECMWF is more to the west. The ECMWF ensemble mean suggests
higher-than-average confidence with the upper low out near 135w. The
gfs ensembles show decent continuity, but the mean 500 mb low
position appears to be closer to 130w, similar to the 12z
operational run. All in all, the latter half of the extended period
will feature below normal daytime temperatures. In fact, the CPC 6-
10 day temp precip progs indicate well-above average probability of
below normal temps. CPC also suggests above-average confidence for
above normal precip, albeit at a slightly lower confidence level
than temps. The wpc forecast valid Mon and Tue favors a GEFS ecmwf
ensemble mean. The deep upper trough eventually swings into western
washington and NW oregon Tue night and wed. Looking beyond day 7,
the GFS and ECMWF continue the unsettled pattern the latter half of
next week. Weishaar

Aviation Marine layer gradually eroding early this afternoon.

Low-endVFR CIGS along the south washington and north oregon
coast with generally sct or fewer clouds over the SW washington
interior and NW oregon. Another disturbance is forecast to move
across NW washington late tonight, which may tend to disturb the
marine layer enough to limit MVFR or lower conditions, even along
the coast. Still expect MVFR to develop along the south
washington coast to near ktmk this evening. Coastal areas south
of ktmk may hold on toVFR much of the night, but cannot rule out
local ifr conditions after 06z wed. MVFR CIGS forecast to develop
in the SW washington interior overnight and extend up the
columbia river to kpdx around sunrise.

Kpdx and approaches...VFR conditions to prevail through at least
12z wed. Another upper level disturbance moves across nw
washington late tonight, which may act like a dry cold front.

Still, guidance does suggest the potential for MVFR CIGS around
12z wed. Weishaar

Marine Surface high pressure will reside over the NE pacific
through the week, while thermal low pressure remains over the
northern california and southern oregon coast. This will result
in persistent northerly winds. The winds will be the strongest
this afternoon through late evening, with gusts to 25 kt expected
over pzz255 pzz275. Wind speeds will be lighter from Wed through
fri as an upper level trough moves in and weakens the NE pacific
surface high. Gusts to 20 kt are expected during the afternoon
and evening hours each day, but do not expect that additional
advisories will be required. Will need to watch the area south of
heceta head late Wed afternoon for possible 25 kt gusts. Wind
speeds drop off even more this weekend and early next week as an
upper level low settles over the NE pac.

Seas mostly 4 to 6 ft for the next few days, although areas of
pzz255 and pzz275 likely to see brief periods of 6-8 ft at times
due to contributions from fresh swell. Weishaar

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Small craft advisory until midnight pdt tonight for coastal
waters from cascade head or to florence or out 60 nm.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWPO3 - Newport, OR 46 mi29 min NNW 13 G 15 53°F

Wind History for South Beach, Yaquina River, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
McMinnville, McMinnville Municipal Airport, OR18 mi36 minno data10.00 miA Few Clouds75°F52°F45%1022.1 hPa
Salem - McNary Field, OR18 mi93 minVar 310.00 miPartly Cloudy74°F48°F41%1022.3 hPa

Wind History from SLE (wind in knots)
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Last 24hrN8
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1 day agoNW7NW9N10NW11NW9N6N4N7N5N4NW3N5N4N4N4N4NE5NE43NW65NE96NW8
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2 days agoN7NE6NE6NE5N7N7N7N4N3N4NW3N5N3N5NE7NE6N6N64N7N7N9N7NW7

Tide / Current Tables for Nestucca Bay entrance, Oregon
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Nestucca Bay entrance
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Tue -- 01:08 AM PDT     7.95 feet High Tide
Tue -- 05:27 AM PDT     Sunrise
Tue -- 06:39 AM PDT     Moonset
Tue -- 08:33 AM PDT     -1.24 feet Low Tide
Tue -- 03:02 PM PDT     6.14 feet High Tide
Tue -- 08:17 PM PDT     2.66 feet Low Tide
Tue -- 09:05 PM PDT     Sunset
Tue -- 10:28 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.37.97.76.75.13.11.3-0.3-1.1-1.1-0.31.234.65.76.15.8543.22.72.83.75

Tide / Current Tables for Kernville, Siletz River, Oregon
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Kernville
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Tue -- 01:37 AM PDT     6.21 feet High Tide
Tue -- 05:29 AM PDT     Sunrise
Tue -- 06:41 AM PDT     Moonset
Tue -- 09:14 AM PDT     -0.90 feet Low Tide
Tue -- 03:31 PM PDT     4.80 feet High Tide
Tue -- 08:58 PM PDT     1.94 feet Low Tide
Tue -- 09:05 PM PDT     Sunset
Tue -- 10:28 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.266.25.74.73.41.90.5-0.4-0.9-0.70.21.534.14.74.74.33.52.82.21.92.33.2

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 (19,4,5,8)
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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.