Friday, August18, 2017 L-36.com


Marine Weather and Tides
Reedsport, OR

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:25AMSunset 8:15PM Friday August 18, 2017 9:11 AM PDT (16:11 UTC) Moonrise 1:56AMMoonset 5:06PM Illumination 14% Phase: Waning Crescent; Moon at 26 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 832 Am Pdt Fri Aug 18 2017
Synopsis for the southern oregon coastal waters.. High pressure centered offshore and a thermal trough along the coast will support moderate to strong north winds with steep to very steep seas through the weekend. Conditions will be at least hazardous to small craft, but warning level winds and seas will occur beyond 5 nm from shore from gold beach southward. The thermal trough will weaken early next week, and winds and seas will diminish then.

7 Day Forecast for Marine Location Near Reedsport, OR
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location: 43.71, -124.1     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 181018
afdmfr
area forecast discussion
national weather service medford or
318 am pdt Fri aug 18 2017

Discussion
Warming temperatures, smoke from the fires and a thermal trough
over the coast are the three big stories for this weekend. To
start, there is a pretty nice tilted ridge off the pacific
extending into our warning area today and into the weekend. This,
along with the thermal trough along the coast, will bring back
warmer than average temperatures across the region, specifically
south of douglas county into northern california Friday.

The flow around the thermal trough really kicks into high gear on
Saturday and Sunday with 850mb flow near curry and josephine
county reaching around 25 to 30 kts at 40 to 60 degrees on the
nam. Therefore, we should see gusty winds along ridge tops close
to the coast and in western parts of siskiyou county.

The other thing to note is that the chetco effect should be in
full effect through the weekend with upper level winds going right
down the chetco river. Kept the brookings temperatures warmer
than all of our guidance and thinking lower 90's is probable for
highs through Sunday.

The other talking point is thunderstorm potential as a cutoff low
positions it's self off the southern california coast on Sunday
night. This low will sit there through Thursday. Models are
pulling up some moisture and initiate convection along the sierra
nevada range and northern sacramento valley Monday night and
Tuesday night. We can see this low destabilizing the atmosphere
in northern california, it just seems pretty unlikely farther
north near douglas and northern lake and klamath counties for both
days. Bottom line is fell pretty good about the slight chance in
siskiyou and modoc, but not as good about thunderstorms farther
north for both Monday night and Tuesday night.

Finally, a more well developed low and cold front will push
towards the oregon coast near the end of the forecast period next
week Wednesday night into Thursday morning. This should give us
some thunderstorms on the east side and the upslope regions of the
cascades. Right now we put in slight chance, but that will
probably be upgraded in the future as forecasters gain more
confidence of a more strongly forced event. -smith

Aviation 18 12z TAF cycle... Over the coastal waters and along the
coast north of CAPE blanco... Areas of ifr CIGS offshore will move
onshore this evening... Persisting into Saturday morning. The lower
conditions may make it into some coastal valleys... But overall it
will not make much inland progress. Over the remainder of the
area...VFR conditions will prevail into Saturday with the exception
of smoke-reduced visibilities. Wildfire smoke will degrade
visibility and could create partial terrain obstruction, affecting a
broad section of the forecast area. -stockton

Marine Updated 200 am pdt Friday 18 august 2017... High pressure
centered offshore and a thermal trough along the coast will support
moderate to strong north winds and steep to very steep seas through
the weekend. Conditions will at least be hazardous to small craft,
but warning level winds seas will occur beyond 5 nm from shore from
gold beach south. Winds and seas will be highest during the
afternoons and evenings each day through Sunday, easing a bit during
the overnight and early morning hours. The thermal trough will
weaken early next week, and winds and seas will diminish then.

-stockton

Fire weather Updated 300 am Friday 18 august 2017... High
pressure centered over the eastern pacific and low pressure over the
northern rockies will continue to maintain NW flow aloft through
Friday. At the surface, this will lead to NE winds and moderate to
poor relative humidity recoveries each night and morning through
Sunday morning along and near the coastal ranges, specifically in
fwz's 618, 619, 620, 621 and 280. Winds this morning are not very
strong... Remaining well below red flag warning criteria. Winds look
to be stronger Saturday night though.

Otherwise, it will be dry and hot each afternoon, driest and hottest
this afternoon. Dryness and instability on Friday will lead to a
moderate to high probability of active wildfires becoming plume
dominated as the haines index reaches 5 at most places. It should be
noted that there isn't much difference between a haines 5 and 6 once
a fire starts putting up a column of sufficient size - that is
pushing up to around 10,000 feet off the ground. Thus, large
uncontrolled fires stand the greatest chance of being problematic
Friday afternoon and evening.

Early next week the wind flow aloft will become more southerly,
leading to increasing probabilities of thunderstorm activity Monday
into Tuesday. -stockton

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory until 11 pm pdt Sunday for
pzz350-356-370-376.

Gale warning until 11 pm pdt Sunday for pzz356-376.

Czs jrs nsk


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46261 7 mi162 min 49°F7 ft
46260 13 mi162 min 51°F6 ft
46229 - UMPQUA OFFSHORE, OR (139) 24 mi48 min 54°F7 ft
CHAO3 - 9432780 - Charleston, OR 28 mi42 min NE 8.9 G 13 57°F1021.4 hPa
46128 37 mi132 min 7.8 52°F1021.3 hPa (+0.8)

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR21 mi76 minN 05.00 miFog/Mist55°F52°F90%1021.8 hPa

Wind History from OTH (wind in knots)
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N15N11N13N11N9N5N7N3CalmCalmN4N4CalmCalm
1 day agoNW5N10N18N19
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2 days agoCalmW5N9N16N16N18N19
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N17N18N16N10N5NW5N6CalmSE3CalmCalmNE3CalmCalm

Tide / Current Tables for Reedsport, Umpqua River, Oregon
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Reedsport
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Fri -- 02:56 AM PDT     Moonrise
Fri -- 05:24 AM PDT     -0.53 feet Low Tide
Fri -- 06:24 AM PDT     Sunrise
Fri -- 11:51 AM PDT     5.18 feet High Tide
Fri -- 05:14 PM PDT     2.03 feet Low Tide
Fri -- 06:06 PM PDT     Moonset
Fri -- 08:14 PM PDT     Sunset
Fri -- 11:11 PM PDT     7.06 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.84.52.91.40.2-0.5-0.40.41.52.94.14.95.24.84.13.22.522.234.25.56.57

Tide / Current Tables for Entrance, Umpqua River, Oregon
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Entrance
Click for Map
Fri -- 02:56 AM PDT     Moonrise
Fri -- 04:03 AM PDT     -0.64 feet Low Tide
Fri -- 06:25 AM PDT     Sunrise
Fri -- 10:45 AM PDT     5.36 feet High Tide
Fri -- 03:53 PM PDT     2.43 feet Low Tide
Fri -- 06:06 PM PDT     Moonset
Fri -- 08:15 PM PDT     Sunset
Fri -- 10:05 PM PDT     7.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.32.50.9-0.2-0.6-0.30.61.93.24.45.25.354.23.32.72.42.83.74.866.97.37

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Medford, OR (12,3,4,5)
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Ground Weather Radar Station Medford, OR
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weather_mapweather_map weather_map

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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.