Wednesday, August21, 2019 L-36.com


Marine Weather and Tides
Glasgow, 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 6:27AMSunset 8:12PM Wednesday August 21, 2019 4:09 AM PDT (11:09 UTC) Moonrise 10:21PMMoonset 11:20AM Illumination 67% Phase: Waning Gibbous; Moon at 21 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 257 Am Pdt Wed Aug 21 2019
Synopsis for the southern oregon coastal waters..South winds and steep westerly swell will increase over the waters today. A thermal trough will restrengthen Thursday with north gales and very steep seas possible south of cape blanco late in the afternoon and evening. Conditions then remain hazardous to small craft through Friday. Winds and seas lower briefly Friday night into Saturday, but gales are possible again by Monday.


7 Day Forecast for Marine Location Near Glasgow, OR
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location: 43.43, -124.22     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 211041
afdmfr
area forecast discussion
national weather service medford or
341 am pdt Wed aug 21 2019

Discussion Unusually strong system for august continues on
track with showers moving onshore on the northern oregon coast at
this time. Latest models are showing that although the center of
the low, around which this system is wrapped, is well north of the
region, there is now indicated 60 kt jet extending down along the
front into northern california. This more than 20kt greater than
indicated yesterday at this time. With the stronger jet dynamics
the amounts of precipitation have indicated higher as well with
this front. This front will move through with the upper level
trough through the day, spilling over to east of the cascades in
the afternoon. Instability as we head into the afternoon is
indicated to the northeast of the forecast area and no
thunderstorms are expected in our forecast area. Winds east of
the cascades will increase ahead of the front this afternoon, but
are not expected to reach advisory strength. Behind the front
winds become northwesterly with showers tapering off into Thursday
morning.

An upper level ridge builds quickly behind the exiting front
Thursday, with a thermal trough deepening quickly along the
extreme southern oregon coast. The deepening thermal trough will
bring southeast winds to the coast south of CAPE blanco by
Thursday afternoon. By Friday morning east winds will spread
across to east of the cascades with most of the area seeing east
to northeast winds. The upper flow becomes more zonal by Friday
night, but the thermal trough pattern remains on the coast south
of CAPE blanco with east to northeast winds inland to josephine
and western douglas counties.

The upper level ridge builds again early next week with
temperatures expected to reach 100 degrees in medford for only the
second time his week. Sven

Aviation For the 21 06z tafs...VFR conditions are expected at all
locations through the early evening hours. Widespread ceilings are
no longer expected to develop at the coast, though isolated ifr
conditions could form in coastal valleys. A front will arrive
Wednesday morning and ceilings will likely to lower to MVFR
conditions then ifr in the early afternoon.

At inland locations, expect MVFR ceilings with the front to arrive
in the umpqua basin and at krbg Wednesday afternoon. Rain and
mountain obscuration will impact the coast range late Wednesday
morning into Wednesday afternoon and will spread east into the
cascades Wednesday evening. Gusty winds and increased turbulence
ahead of the front will impact areas east of the cascades Wednesday
afternoon. Keene

Marine Updated 245 am pdt Wednesday 21 august 2019... Gusty winds
and steep southwest seas will continue through this morning into
this afternoon. These conditions will be hazardous for smaller
crafts through this morning. Short period waves will ease this
afternoon, but swell will persist into Thursday.

Then, a thermal trough will restrengthen quickly on Thursday with
rapidly increasing north winds and steepening short period seas.

Gale force winds and very steep seas are possible south of cape
blanco by late Thursday afternoon evening, so we have hoisted a gale
watch for areas mainly beyond 5nm from shore and south of port
orford. Conditions hazardous to small craft will also expand north
of CAPE blanco during this time frame.

Late Thursday night into Friday, the thermal trough won't be as
strong, so gales will most likely end. However, conditions hazardous
to smaller crafts are likely to persist. Further weakening of the
thermal trough Friday night into Saturday will cause winds and seas
to lower briefly, but it will strengthen again Sunday with gales
possible again by Monday.

-spilde smith

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Gale watch from Thursday afternoon through late Thursday night
for pzz356-376.

Small craft advisory until 11 am pdt this morning for pzz370.

Sbn sbn sbn


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 8 mi94 min SSE 2.9 G 5.1 56°F1017.3 hPa
SNTO3 12 mi40 min Calm 52°F 1018 hPa52°F
46128 19 mi70 min S 12 59°F 63°F
46229 - UMPQUA OFFSHORE, OR (139) 29 mi40 min 62°F4 ft

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR2 mi74 minSSE 610.00 miPartly Cloudy58°F54°F87%1017.5 hPa

Link to 5 minute data for KOTH

Wind History from OTH (wind in knots)
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Last 24hrSE6SE4SE6SE6SE5SE6W8W6W10W12SW10SW11SW8SW10SW9SW6SE6SE5SE6SE6SE6SE7SE6SE6
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2 days agoCalmCalmCalmCalmCalmNW3N10N13N20
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Tide / Current Tables for Charleston, Oregon
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Charleston
Click for Map
Wed -- 04:16 AM PDT     5.90 feet High Tide
Wed -- 06:28 AM PDT     Sunrise
Wed -- 10:15 AM PDT     1.77 feet Low Tide
Wed -- 12:20 PM PDT     Moonset
Wed -- 04:42 PM PDT     6.89 feet High Tide
Wed -- 08:11 PM PDT     Sunset
Wed -- 11:14 PM PDT     1.76 feet Low Tide
Wed -- 11:21 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.63.64.65.55.95.85.14.13.12.21.81.92.63.756.16.76.96.45.44.23.12.21.8

Tide / Current Tables for Charleston, Oregon (2)
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Charleston
Click for Map
Wed -- 04:16 AM PDT     5.83 feet High Tide
Wed -- 06:28 AM PDT     Sunrise
Wed -- 10:15 AM PDT     1.81 feet Low Tide
Wed -- 12:20 PM PDT     Moonset
Wed -- 04:43 PM PDT     6.80 feet High Tide
Wed -- 08:11 PM PDT     Sunset
Wed -- 11:17 PM PDT     1.80 feet Low Tide
Wed -- 11:21 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.63.64.65.45.85.75.14.13.12.21.822.63.74.966.76.86.35.44.33.12.21.8

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.
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Wind Forecast for Medford, OR (7,2,3,4)
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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.