Saturday, November17, 2018 L-36.com


Marine Weather and Tides
Depoe Bay, 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 7:12AMSunset 4:44PM Saturday November 17, 2018 2:32 AM PST (10:32 UTC) Moonrise 2:32PMMoonset 12:59AM Illumination 69% Phase: Waxing Gibbous; Moon at 9 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- 856 Pm Pst Fri Nov 16 2018
Rest of tonight..NE wind 10 to 15 kt with gusts to 20 kt. Wind waves ne 4 ft at 5 seconds. W swell 6 ft at 11 seconds.
Sat..NE wind 10 to 15 kt with gusts to 20 kt. Wind waves ne 4 ft at 5 seconds. W swell 7 ft at 13 seconds.
Sat night..E wind 10 to 15 kt. Gusts to 20 kt in the evening. Wind waves E 3 ft at 5 seconds. W swell 7 ft at 14 seconds.
Sun..S wind 10 to 15 kt. Wind waves se 2 ft at 4 seconds. W swell 6 ft at 13 seconds.
Sun night..S wind 5 to 10 kt. Wind waves S 2 ft at 4 seconds. W swell 5 ft at 12 seconds.
Mon..SE wind 5 to 10 kt. Wind waves 2 ft. W swell 4 ft.
Mon night..S wind 5 to 10 kt with gusts to 15 kt. Wind waves 2 ft. W swell 4 ft.
Tue..S wind 15 to 20 kt. Wind waves 5 ft. W swell 7 ft.
Wed..S wind 20 to 25 kt. Wind waves 6 ft. W swell 10 ft.
PZZ200 856 Pm Pst Fri Nov 16 2018
Synopsis for the southern washington and northern oregon coast.. High pressure will strengthen and shift east of the cascades tonight and Saturday, resulting in increased offshore flow over the weekend. A more active weather pattern with stronger pacific frontal systems may begin as early as Tue or Wed and will likely continue through at least the end of next week.


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 170458
afdpqr
area forecast discussion
national weather service portland or
857 pm pst Fri nov 16 2018

Synopsis High pressure strengthens tonight through the weekend.

Offshore flow develops tonight and will intensify Saturday. This will
result in very windy conditions for the west end of the columbia
river gorge. The offshore pattern continues into early next week, but
will be more confined to the gorge. The next chance of precipitation
is expected to return to the area Tuesday night or Wednesday. A
stronger system will likely impact the area thanksgiving day.

Short term Tonight through Monday... Rather messy conditions
across the region this evening, with areas of fog and low clouds
over the interior, and even to some degree along the coast. But,
offshore flow continues to strengthen, with nearly 3.5 mb across the
cascades. So, this should help to push drier air downslope over the
cascades and the western side of the coastal mountains. End result
will be gradual clearing overnight for most areas. However, flow
will not strong enough tonight to clear areas in the willamette
valley, and parts of the cowlitz valley. So, will continue to see
areas low clouds and spotty fog through those areas. But areas
closer to portland and vancouver will see increasing east winds
later tonight, which should help keep most areas fog free at that
time. Made some minor adjustments to cloud and weather grids for
tonight to show these trends.

Latest models continue to indicate strengthening offshore flow later
tonight into sat. At 8 pm, cross-gorge gradients, from troutdale to
the dalles, was about 3.5 mb offshore. That will double by later
tonight, resulting in gusty easterly winds over the higher terrain
of the cascades, willapa hills and coastal mountains, as well as
in near the western columbia gorge. This cross-gorge gradient is
expected to be around -9 mb Saturday afternoon. Initially, the
offshore flow will have some degree of impact across a larger area,
since it will be more synoptic-scale in nature. Thus, would expect
fairly good air quality conditions Saturday. Even the most sheltered
areas, such as the south willamette valley and lower
columbia interstate 5 corridor around kkls should have enough
surface mixing to preclude poor air quality. Cold air damming on the
east side of the cascades Saturday night through Sunday will result
in more of a gap wind flow through the gorge. Expected MAX gusts for
this offshore event should be on the order of 65-75 mph for the most
exposed areas such as crown point, 50-60 mph at corbett and 35-45
mph for kttd. This event does not look as strong as the previous one
and not anticipating the need for a wind advisory at this time.

By 00z Sun GFS 850 mb temps are forecast to be around 0c in the
central gorge and upper hood river valley to 10c along the coast. The
hi-res arw model shows increasing boundary layer rh and lowering
condensation pressure deficit values. Believe these higher resolution
models are not handling the cold air damming process sufficiently and
think there will be an extensive stratus field over the columbia
basin that bleeds into the central gorge and upper hood river valley
sat night or sun. The offshore gradient starts to weaken Mon as the
upper ridge axis shifts to eastern oregon and washington.

Strengthening valley inversions will limit MAX temp potential. Air
quality may start to become an issue in some areas as early as sat
night and then more-so Sun and mon. Rockey weishaar

Long term Monday night through Friday. The upper level ridge
begins to shift east of the area late Monday. Forecast models
continue to not be in great agreement for much of next week, but
confidence is increasing that the next frontal system will at least
begin to approach at some point Tuesday. The pattern then appears to
shift to a more active time, with a series of disturbances making
their way through the region. While confidence in the overall
pattern is increasing, confidence in the finer details
- including timing - remains lower than average. Therefore, those
that may be traveling around the thanksgiving holiday should stay
aware of potential changes to the forecast in the coming days. Cullen

Aviation It's a bit of an aviation mess across SW washington
and NW oregon this evening. There are still pockets of low MVFR cigs
drifting around from earlier today. However, there has been
considerable clearing as well, which is allowing ifr fog and low
stratus to form in some locations over the past couple of hours.

The ifr fog should continue to expand through the rest of the
interior lowlands by midnight as the higher clouds continue to
dissipate. Meanwhile, as upper level high pressure builds closer to
the coast, offshore flow will develop later tonight, then strengthen
through sat. The offshore winds should kick in at the coast over the
next few hours, keeping the coast mainlyVFR overnight and sat. The
offshore winds will gradually increase through the columbia river
gorge overnight. The winds should move further west into the pdx
metro area Sat morning, leading to conditions improving toVFR. From
ksle southward, expect ifr conditions to continue through most of
sat morning, if not into Sat afternoon.

Pdx and approaches... Expect ifr fog and low stratus to develop at
the terminal during the next few hours, then persist through most of
the night, and potentially into Sat morning. Offshore winds will
develop aloft overnight, leading to conditions improving toVFR
early sat. The winds aloft may potentially result in some llws early
sat, but probably not enough to meet criteria to include in the taf.

East winds are expected to surface by around 18z and gusts up to 25
kt are likely at kpdx by Sat afternoon. Winds will be stronger east
of the terminal towards the gorge. Pyle

Marine Light to moderate N winds tonight will veer to more of
an e-ne wind by Sat morning, with gusts up to 25 kt and locally
higher possible through Sat night. Decided to issue a small craft
advisory for winds for pzz250 pzz270 from Sat morning through sat
evening. Expect the strongest gusts to be adjacent to the coastal
gaps, but widespread gusts to 25 kt appear to be a possibility as
the offshore flow should be fairly deep. W swell 6 to 8 ft will
subside tonight and Saturday, with seas becoming more wind driven
through early next week. Longer range forecast guidance suggests the
pac NW may return to an active weather pattern with frontal systems
beginning to affect the waters by midweek. Pyle weagle

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Small craft advisory for winds from 7 am to 10 pm pst Saturday
for coastal waters from CAPE shoalwater wa to cascade head or out
60 nm.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBEO3 - 9435380 - South Beach, OR 14 mi32 min NE 1.9 G 2.9 48°F 52°F1019.9 hPa (+0.0)
NWPO3 - Newport, OR 14 mi32 min ENE 4.1 G 4.1 47°F 1019.8 hPa (+0.0)
46050 - STONEWALL BANKS - 20NM West of Newport, OR 19 mi32 min NE 5.8 G 7.8 53°F1020.3 hPa (+0.0)

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 mi37 minNE 510.00 miFair45°F42°F93%1020.7 hPa

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Last 24hrCalmNE5NE5NE3NE5NE6E6NE7NE7NW7N8N9N7N10N6N5E3CalmNE5CalmE5E7NE5NE5
1 day agoN3NE5N3N3N3CalmE5E4NE3NE4NW8N7N7N7N3CalmCalmCalmCalmN3CalmCalmCalmCalm
2 days agoE3SE3E3CalmSE4E5E4E3CalmCalmSW3CalmCalmCalmCalmCalmCalmCalmCalmE4CalmCalmN3N4

Tide / Current Tables for Kernville, Siletz River, Oregon
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Kernville
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Sat -- 12:58 AM PST     Moonset
Sat -- 02:30 AM PST     1.03 feet Low Tide
Sat -- 07:16 AM PST     Sunrise
Sat -- 08:55 AM PST     5.28 feet High Tide
Sat -- 02:31 PM PST     Moonrise
Sat -- 03:39 PM PST     1.83 feet Low Tide
Sat -- 04:45 PM PST     Sunset
Sat -- 08:41 PM PST     4.43 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.41.11.11.62.43.44.45.15.35.14.53.732.31.91.92.333.84.34.44.13.6

Tide / Current Tables for Taft, Siletz Bay, Oregon
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Taft
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Sat -- 12:58 AM PST     Moonset
Sat -- 01:50 AM PST     1.15 feet Low Tide
Sat -- 07:16 AM PST     Sunrise
Sat -- 08:19 AM PST     5.78 feet High Tide
Sat -- 02:31 PM PST     Moonrise
Sat -- 02:59 PM PST     2.05 feet Low Tide
Sat -- 04:45 PM PST     Sunset
Sat -- 08:05 PM PST     4.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.31.21.52.33.44.55.35.75.75.24.43.62.82.222.333.84.54.84.74.23.4

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 (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.