Sunday, August18, 2019 L-36.com


Marine Weather and Tides
North Bend, OR

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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 6:24AMSunset 8:17PM Sunday August 18, 2019 2:19 PM PDT (21:19 UTC) Moonrise 9:08PMMoonset 8:19AM Illumination 89% Phase: Waning Gibbous; Moon at 18 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 813 Am Pdt Sun Aug 18 2019
Synopsis for the southern oregon coastal waters..North winds will diminish this morning, but steep seas will continue for most areas through this afternoon. Seas will lower below small craft advisory levels tonight. Winds and seas remain relatively low through Tuesday before an approaching front brings enough swell to raise seas close to small craft advisory levels Tuesday night into Wednesday.


7 Day Forecast for Marine Location Near North Bend, OR
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location: 43.42, -124.29     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 181545
afdmfr
area forecast discussion
national weather service medford or
845 am pdt Sun aug 18 2019

Short term The high pressure ridge offshore is weaker today and
has shifted further offshore as and upper level trough drops down
to the north. Inland areas will remain very warm and dry today. The
forecast remains on track with gusty winds and dry conditions
expected east of the cascades and in the shasta valley. At the
coast, patchy fog and low clouds are present from gold beach
south, in the coquille valley and portions of the umpqua west of
sutherlin. Low clouds over these areas will gradually clear late
this morning. Conditions will be cooler today along the south
coast, especially in the brookings area, since the offshore flow
and chetco effect has diminished.

Monday and Tuesday, the high pressure ridge moves inland and
strengthens Tuesday ahead of a weak front. This will bring
continued warm and dry weather to inland areas with milder
conditions at the coast. Models continue to show the front
weakening as it moves into the coast Wednesday evening. However,
current runs indicate some light rain is possible along the coast,
mainly north of CAPE blanco, and into northern portions of the
umpqua Wednesday evening.

Aviation For the 18 12z tafs... Another tricky coastal forecast.

Marine stratus is not progressing inland this morning from the waters
but instead forming in the coastal valleys. This may spread to the
coast and impact koth for a few hours this morning before clearing
out. Then ceilings could return again this evening. Confidence is
low to moderate for all aspects of coastal ceilings except higher
for clearing time today which should be mid morning if ceilings form
at all.

Elsewhere,VFR conditions will continue through the TAF period with
seasonably gusty winds late in the afternoon and evening hours at
medford, klamath falls and roseburg. -petrucelli keene

Marine Updated 800 am pdt Sunday 18 august 2019... North winds
will diminish this morning, but steep seas will continue for much of
the area through this afternoon. Seas will lower below small craft
advisory levels tonight. Winds and seas remain relatively low
through Tuesday. Then an approaching front brings enough swell to
raise seas close to small craft advisory levels Tuesday night into
Wednesday. At this point the data suggests that seas will remain
just below advisory criteria at 8 to 9 feet with 12 second dominant
period, but we will monitor closely. Keene

Fire weather Updated 200 am pdt Saturday 7 august 2019... Warm
and dry conditions are expected across the area for the next
several days. Temperatures will remain stable through Monday
before becoming a bit hotter by Tuesday into Friday. Gusty winds
with low humidities will be seen for a short period Sunday
afternoon in the shasta valley and east of the cascades, but are
expected to remain below red flag criteria.

Confidence in the long term forecast remains low, but models are
showing a distinct trend towards continuing dry and warm conditions
for next week, with above normal temperatures resulting from a
building ridge aloft. There are a few indications that a weak
impulse could pass through the region with instability producing an
increased risk for thunder Thursday, but mid level moisture is too
low for any confidence in thunderstorm development at this time.

-schaaf sven

Prev discussion issued 503 am pdt Sun aug 18 2019
updated aviation discussion.

Discussion... An upper level disturbance is expected to move
across southern oregon and northern california today. This will
create breezy conditions this afternoon, mainly for areas east of
the cascades including modoc county. Areas west of the cascades
will largely see the typical afternoon winds.

Other than that, the warm and dry pattern will continue for the
next several days as the predominant feature is a ridge of high
pressure over our area. Temperatures at the coast are expected to
reach into the mid to upper 70s each day this week with highs
remaining in the upper 80s to mid 90s in west side valleys and
low to mid 80s for the east side valleys. This temperature pattern
is expected to continue for the next several days.

Another weak disturbance looks to move through the area on
Wednesday, which could increase winds somewhat, but the current
forecast is for today to be the breeziest day in the forecast
period. If you take the operational ECMWF as the forecast, it
suggests some light precipitation across the coast, especially
north of CAPE blanco. Precipitation chances remain very light, and
don't expect much out of the system except for maybe a light
drizzle at the coast with more cloud cover farther inland.

Afterwards, the high pressure system reasserts itself as the
dominant feature and the typical warm, dry, and breezy conditions
will continue across southern oregon and northern california.

Overall, the pattern remains rather benign. -schaaf

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory until 11 pm pdt this evening for
pzz356-376.

Small craft advisory until 5 pm pdt this afternoon for
pzz350-370.

Cc


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 5 mi43 min NNW 7 G 11 52°F1012.6 hPa
SNTO3 10 mi49 min NNE 5.1 67°F 1013 hPa55°F
46128 16 mi79 min N 16 56°F 55°F
46229 - UMPQUA OFFSHORE, OR (139) 28 mi19 min 63°F4 ft
PORO3 - 9431647 - Port Orford, OR 48 mi49 min SSW 4.1 G 7 53°F 47°F1013.4 hPa

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR2 mi83 minN 20 G 2410.00 miFair and Breezy69°F55°F61%1012.6 hPa

Link to 5 minute data for KOTH

Wind History from OTH (wind in knots)
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Tide / Current Tables for Charleston, Oregon
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Charleston
Click for Map
Sun -- 02:13 AM PDT     7.23 feet High Tide
Sun -- 06:25 AM PDT     Sunrise
Sun -- 08:44 AM PDT     0.36 feet Low Tide
Sun -- 09:20 AM PDT     Moonset
Sun -- 03:10 PM PDT     6.88 feet High Tide
Sun -- 08:15 PM PDT     Sunset
Sun -- 08:59 PM PDT     2.21 feet Low Tide
Sun -- 10:07 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.76.77.276.14.631.50.60.412.23.85.36.46.96.65.84.63.42.52.22.53.4

Tide / Current Tables for Entrance, Umpqua River, Oregon
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Entrance
Click for Map
Sun -- 02:16 AM PDT     6.51 feet High Tide
Sun -- 06:24 AM PDT     Sunrise
Sun -- 08:44 AM PDT     0.40 feet Low Tide
Sun -- 09:19 AM PDT     Moonset
Sun -- 03:19 PM PDT     6.10 feet High Tide
Sun -- 08:15 PM PDT     Sunset
Sun -- 08:58 PM PDT     2.17 feet Low Tide
Sun -- 10:07 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.166.56.35.54.32.81.50.60.40.91.93.34.65.66.165.34.33.22.42.22.53.2

Weather Map and Satellite Images
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wmap_P
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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Medford, OR (17,4,5,8)
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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.