Friday, May24, 2019 L-36.com


Marine Weather and Tides
Winchester 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 5:42AMSunset 8:44PM Friday May 24, 2019 6:49 AM PDT (13:49 UTC) Moonrise 12:13AMMoonset 9:51AM Illumination 70% Phase: Waning Gibbous; Moon at 20 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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This is a Weather Statement Zone, please check the Date to see if it has expired
PZZ310 Coos bay bar- coastal waters from cape blanco or to pt. St. George ca out 10 nm- waters from cape blanco or to pt. St. George ca from 10 to 60 nm- 134 pm pdt Wed may 29 2013 a long-duration moderate to strong north wind event is expected to last from this weekend into early next week. Winds should begin to increase Friday into Saturday...peaking Sunday with storm force wind gusts possible. Very steep and hazardous waves will accompany this wind event and mariners should prepare for dangerous conditions at sea. The strongest winds and highest seas will occur beyond 5 nm from shore.
PZZ300 236 Am Pdt Fri May 24 2019
Synopsis for the southern oregon coastal waters..High pressure offshore and low pressure inland will bring gusty north winds and steep to very steep seas into Saturday afternoon. Seas will diminish as a stronger low moves south along the coast late Saturday into Sunday then pushes inland on Monday. Through the weekend, the strongest winds and highest seas will occur south of gold beach beyond 5 nm from shore. Seas will be low Monday and Tuesday as high pressure builds


7 Day Forecast for Marine Location Near Winchester Bay, OR
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location: 43.68, -124.2     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 241214
afdmfr
area forecast discussion
national weather service medford or
514 am pdt Fri may 24 2019

Discussion Challenging holiday weekend forecast for southern
oregon and far northern california. For today, upper low pressure
will drop into northeast oregon late today. Our area is on the
drier backside of this low for near normal conditions. There looks
to be enough moisture and weak instability to warrant a slight
chance of thunderstorms late today east of mt. Shasta city and
lakeview.

A much more interesting weather system is in store on Saturday.

Both the SREF (nam ensemble) and ECMWF models show an upper low
pressure center moving quickly down the british columbia,
washington, and oregon coasts. By 8 pm Saturday the low center is
near coos bay. If this were january we would be talking about
potential valley snowfall. Obviously, a different story in late
may but high temperatures will be around 10 degrees below normal.

Saturday should start out with lots of sunshine away from the
coast followed by increasing clouds mainly in the afternoon.

Widespread rain showers are expected by Saturday night as the
upper low drops into far northwest california. This is the type of
pattern when showers could continue through the night especially
from the cascades eastward due to a moist easterly flow.

A moist easterly flow continues on Sunday as the low center drops
farther south in california. The airmass should be slightly
unstable so thunderstorms are possible with cooler than normal
daytime temperatures and more clouds than usual this time of year.

For memorial day the upper low will move east into southern utah.

The influence of the low is broad with a more northerly flow
across our region. At this point, it looks like partly to mostly
cloudy skies with a just a chance of showers and thunderstorms.

For the extended forecast between Tuesday and Friday there isn't
much change in the weather pattern with a weak but broad area of
low pressure across the region along with weak instability.

Temperatures will probably be close to normal with a slight chance
of showers and thunderstorms mainly south and east of the
cascades.

-sandler

Aviation For the 24 12z tafs... Along the coast and over the coastal
waters... Widespread ifr CIGS will persist through tonight with
patchy drizzle and fog, except south of CAPE blanco and 5-10 miles
offshore whereVFR conditions will prevail. Coastal terrain will
become obscured overnight as clouds move further inland. Showers
will develop this morning with increasing coverage of ifr into
this evening.

Inland areas west of the cascades... MVFR stratus has made it's
way into the umpqua valley. This may persist into the afternoon
hours with strong onshore flow for most of the day. Given the time
of year, the CIGS could very well become more scattered into the
afternoon hours. OtherwiseVFR will prevail in regions outside of
the umpqua valley.

From the cascades east... MostlyVFR conditions are expected
through this morning, but there will be isolated to scattered
showers this afternoon, mainly over lake and modoc counties.

-smith

Marine Updated 300 am pdt Friday 24 may 2019... Seas are still
steep this morning and hazardous to smaller crafts. This threat
will carry into Friday with a thermal trough still persisting. The
strength of this thermal trough is a little weaker than what we saw
on Thursday, so we're staying with small craft advisory for Friday.

The windiest area will be the usual spot south of gold beach and
beyond 5 nm away from shore. Seas will be around 9 feet at 10
seconds during this time.

Seas will continue to remain steep as a low and it's associated
cold front move south along the coast late Saturday into Sunday
then pushes inland on Monday. Through the long weekend, the
strongest winds and highest seas will occur south of gold beach
beyond 5 nm from shore, especially between 5 nm and 30 nm from
shore.

Seas will be low Monday and Tuesday.

-smith

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory until 2 pm pdt Saturday for
pzz350-356-370-376.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46229 - UMPQUA OFFSHORE, OR (139) 20 mi50 min 54°F6 ft
CHAO3 - 9432780 - Charleston, OR 24 mi74 min WSW 1.9 G 1.9 53°F1019.2 hPa

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR17 mi54 minN 07.00 miOvercast53°F51°F93%1019.1 hPa

Wind History from OTH (wind in knots)
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2 days agoSW13SW9SW7SW10W10SW9W13W9W9W9NW7N10N11N12N8N6N9N12--N12N8N9N9N9

Tide / Current Tables for Entrance, Umpqua River, Oregon
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Entrance
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Fri -- 01:12 AM PDT     Moonrise
Fri -- 04:04 AM PDT     5.72 feet High Tide
Fri -- 05:43 AM PDT     Sunrise
Fri -- 10:51 AM PDT     Moonset
Fri -- 11:11 AM PDT     -0.13 feet Low Tide
Fri -- 06:26 PM PDT     5.15 feet High Tide
Fri -- 08:44 PM PDT     Sunset
Fri -- 11:30 PM PDT     3.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.64.34.95.55.75.54.83.72.41.20.3-0.100.71.72.93.94.75.15.14.74.23.63.3

Tide / Current Tables for Reedsport, Umpqua River, Oregon
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Reedsport
Click for Map
Fri -- 01:12 AM PDT     Moonrise
Fri -- 05:10 AM PDT     5.55 feet High Tide
Fri -- 05:42 AM PDT     Sunrise
Fri -- 10:50 AM PDT     Moonset
Fri -- 12:32 PM PDT     -0.11 feet Low Tide
Fri -- 07:32 PM PDT     5.00 feet High Tide
Fri -- 08:44 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.733.74.55.25.55.44.83.82.61.40.5-0-00.51.42.53.64.54.94.94.63.93.3

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 Medford, OR (9,2,3,4)
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Ground Weather Radar Station Medford, 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.