Friday, July19, 2019 L-36.com


Marine Weather and Tides
Depoe Bay, OR

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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 5:44AMSunset 8:54PM Friday July 19, 2019 2:58 AM PDT (09:58 UTC) Moonrise 9:52PMMoonset 7:25AM Illumination 95% 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- 210 Am Pdt Fri Jul 19 2019
.small craft advisory in effect from 2 pm pdt this afternoon through this evening...
Today..N wind 10 to 15 kt with gusts to 20 kt, rising to 20 to 25 kt in the afternoon. Wind waves N 4 ft at 5 seconds. NW swell 5 ft at 9 seconds.
Tonight..N wind 20 to 25 kt. Gusts to 30 kt in the evening. Wind waves N 5 ft at 7 seconds. NW swell 4 ft at 9 seconds.
Sat..N wind 15 to 20 kt with gusts to 25 kt. Wind waves N 4 ft at 6 seconds. NW swell 5 ft at 9 seconds.
Sat night..N wind 15 to 20 kt. Gusts to 25 kt, becoming 20 kt after midnight. Wind waves N 4 ft at 6 seconds. NW swell 4 ft at 9 seconds.
Sun..N wind 10 to 15 kt. Wind waves N 3 ft at 4 seconds. W swell 3 ft at 9 seconds.
Sun night..N wind 15 kt with gusts to 20 kt, easing to 10 kt with gusts to 15 kt after midnight. Wind waves N 3 ft at 5 seconds. W swell 3 ft at 8 seconds.
Mon..NW wind 5 to 10 kt. Wind waves 2 ft. W swell 2 ft.
Tue..NW wind 5 to 10 kt. Wind waves 2 ft. W swell 3 ft.
PZZ200 210 Am Pdt Fri Jul 19 2019
Synopsis for the southern washington and northern oregon coast.. High pressure will reside over the waters through Friday night and then weaken over the weekend. A thermally-induced trough along the south oregon coast will strengthen in the afternoon and evenings through Saturday. A developing low in the ne pacific on Sunday will weaken the surface pressure gradient across the oregon and washington coastal waters Sunday and Monday.


7 Day Forecast for Marine Location Near Depoe Bay, OR
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location: 44.8, -124.19     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 190940
afdpqr
area forecast discussion
national service portland or
240 am pdt Fri jul 19 2019

Synopsis Building high pressure across the region will result in
a warming and drying trend through the weekend before cooler
temperatures and more marine clouds return towards the middle of next
week.

Short term Today through Sunday night: isolated showers are
appearing on radar mainly over the waters and the immediate coast.

These showers are very light and have very rarely produced enough
rain at the ground to produce anything measurable. Was tempted to
cut pops altogether and leave the wording as sprinkles, but there
was one site near canon beach which showed 0.01" near midnight.

Thus, have left sub-25% pops and minimal QPF accumulation.

Otherwise, the triggering shortwave for this episode is leaving
surprisingly minimal clouds across the region with many areas
remaining nearly clear. This will allow for plenty of surface heating
and have forecasted today's temperatures to be a few degrees warmer
than yesterday's. This will bring many valley locations to around
80. The coast will have excellent kite flying weather today as
temperatures will reach the upper 60s and building surface high
pressure will bring a good steady northwest to north wind. Some of
the breezy winds will affect the southern willamette valley as well
this afternoon and evening.

Upper high pressure will build Saturday and Sunday bringing inland
temperatures well into the upper 80s. A surface thermal trough looks
to remain confined to the cascade foothills at night and drifting
toward the crest each afternoon. This position should prevent valley
temperatures from reaching the 90s, but it will result in fairly
warm overnight lows for the cascades. Saturday night looks to have
an especially strong inversion in place as the light easterly flow
will bring downslope compressional heating to the higher foothills
and lower cascades. Would expect low temperatures those places to
remain well into the 60s. Deeper onshore flow returns Sunday night
to start a modest cooling trend heading into early next week. Jbonk

Long term Monday through Thursday (no significant changes,
previous discussion follows): the high pressure ridge over the west
will dissipate as a long wave trough, stemming from a low in the
gulf of alaska, approaches the coast on Tuesday. As the longwave
sets up offshore, an embedded shortwave will advect over northwest
oregon and southwest washington. This shortwave will push marine
stratus over the coast and into the willamette valley Tuesday night
where they will remain through Wednesday. In addition to widespread
cloud cover, there is a chance of showers along the coast Wednesday
early morning. Once the shortwave passes on Wednesday night, sunny
skies will return through Thursday. -anderson

Aviation Vfr conditions continue overnight and through the
next 24 hours. Air mass should be mixed enough to prevent MVFR
cig from developing at any terminals, although will see some
develop over the northern cascades. Small, spotty showers along
the S washington N oregon coasts may bring brief -ra with a very
small chance of brief MVFR. Breezy north-northwest surface winds
develop again Friday afternoon across the area.

Kpdx and approaches...VFR next 24 hours. Gusty nnw surface winds
develop again Friday afternoon after 21z through about 09z
Saturday. Bowen

Marine High pressure will remain over the waters through the
weekend, but start to weaken Saturday morning. A thermally-
induced surface trough will continue to develop over the south
oregon waters this afternoon and again Saturday afternoon,
resulting in gusty north winds. Trough strengthens a little more
Friday and Saturday than it did Thursday, making for a little bit
stronger winds stretching farther north. Will keep current small
craft advisory for Friday in place. Will go ahead and issue
another small craft advisory to cover this scenario. The surface
gradient weakens after Saturday as surface low pressure develops
out near 130w.

Buoys continue to show seas 6-7 ft with a dominant period of 9
seconds. A longer period period (15-16 second) 2-3 ft SW swell
will continue through this evening as well. Little change in
seas over the weekend, then will see them drop to around 3-5 ft
through much of next week. Bowen

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Small craft advisory from 2 pm this afternoon to midnight pdt
tonight for coastal waters from CAPE shoalwater wa to
florence or out 60 nm.

Small craft advisory from 6 am to 10 am pdt this morning.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46097 13 mi128 min N 16 62°F 62°F1018.3 hPa
NWPO3 - Newport, OR 14 mi58 min NNE 4.1 G 5.1 58°F
SBEO3 - 9435380 - South Beach, OR 14 mi58 min E 1.9 G 4.1 57°F 56°F1019.1 hPa (+0.0)
46050 - STONEWALL BANKS - 20NM West of Newport, OR 19 mi38 min N 16 G 21 1019.7 hPa

Wind History for South Beach, Yaquina River, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newport, Newport Municipal Airport, OR17 mi83 minNE 410.00 miFair55°F51°F88%1020 hPa

Wind History from ONP (wind in knots)
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Last 24hrCalmN4CalmCalmN6N6N6NE5----NW15NW15
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2 days agoSW4S4CalmNW4NW6N5NW3W3NW5----NW9NW7NW8NW6NW6NW6NW4NW4CalmCalmCalmSE3Calm

Tide / Current Tables for Depoe Bay, Oregon
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Kernville, Siletz River, Oregon
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Kernville
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Fri -- 02:38 AM PDT     5.83 feet High Tide
Fri -- 05:47 AM PDT     Sunrise
Fri -- 08:24 AM PDT     Moonset
Fri -- 10:06 AM PDT     -0.33 feet Low Tide
Fri -- 04:20 PM PDT     4.95 feet High Tide
Fri -- 08:56 PM PDT     Sunset
Fri -- 10:03 PM PDT     1.93 feet Low Tide
Fri -- 10:51 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.84.95.75.85.44.53.320.80-0.3-00.92.13.44.44.94.84.33.62.82.21.92.2

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 (5,6,7,8)
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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.