Friday, August23, 2019 L-36.com


Marine Weather and Tides
Bandon, 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 6:29AMSunset 8:09PM Friday August 23, 2019 4:23 AM PDT (11:23 UTC) Moonrise 11:27PMMoonset 1:27PM Illumination 46% Phase: Third Quarter Moon; Moon at 23 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 256 Am Pdt Fri Aug 23 2019
Synopsis for the southern oregon coastal waters..A thermal trough has developed along the coast. Seas are at a peak early this morning but through tonight very steep seas are expected south of cape blanco, with steep seas elsewhere. A weak trough will bring slight improvement Saturday then wind wave dominated seas build to a new peak on Monday. The thermal trough is expected to push inland and weaken on Tuesday, allowing conditions to improve.


7 Day Forecast for Marine Location Near Bandon, OR
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location: 43.12, -124.41     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 231010
afdmfr
area forecast discussion
national weather service medford or
310 am pdt Fri aug 23 2019

Discussion 23 00z nam GFS ec in.

Mostly clear skies prevail across the area this morning, except
for some scattered high clouds and a patch of low clouds over the
eastern umpqua basin.

An upper ridge is building over the area along with a thermal
trough offshore. A strong warming trend will affect all areas
through Friday. By that time highs will be 5-10 degrees above
normal.

Short waves moving over the top of the ridge will keep it from
building any further this weekend, and this will put the brakes
on the warming trend. Saturday and Sunday highs will be about the
same as the Friday highs. A dry cold front will move through
Saturday. It won't bring any cooling, but it will bring gusty
winds to the east side Saturday afternoon and evening.

The ridge will build in more strongly next week, and the thermal
trough will move inland. That's when it will get really hot over
the area. Another strong warming trend will occur Monday into
Tuesday, and the Tuesday highs will be 10-15 degrees above normal.

The medford high will be near 100 degrees Monday and will exceed
it Tuesday. Wednesday will be similar to Tuesday with mostly clear
skies and hot temperatures.

At some point the ridge will break down and the possibility of
thunderstorms will enter the forecast with slightly cooler
temperatures. The latest GFS run continues to show that lis will
remain positive Wednesday afternoon and evening with pws of around
0.66 inches, which is too stable and marginally dry. However, on
Thursday afternoon and evening there is a significant area of
negative lis from around crater lake southeast through the east
side, and the pws rise to 0.75 to 1.0 inches. That is sufficient
for thunderstorm activity and thus will keep the current forecast
of a slight chance of thunder at that time and location.

Aviation For the 23 06z tafs... A drier air mass is moving over
the region, and we expectVFR conditions at all terminals through
Friday. There is a chance that low clouds and or fog could form at
the coast and coastal valleys, but favored guidance supports clear
skies so expect koth to stayVFR overnight. Gusty north winds will
again impact the coast Friday afternoon. Keene

Marine Updated 230 am pdt Friday 23 august 2019... The thermal
trough has returned and will persist into early next week, although
there will be a period of weakening later this evening into Saturday
morning then a re-strengthening Saturday afternoon into Monday
evening.

Winds reached a peak on Thursday evening but gusty north winds and
steep to very steep and hazardous seas are likely to continue south
of CAPE blanco through tonight. The weakening on Saturday will be
most noticeable north of CAPE blanco.

Small craft advisory conditions are expected south of CAPE blanco
Saturday into Saturday night. After that, winds will strengthen
again Sunday with an area of gales possible again south of cape
blanco from late Sunday morning through Monday evening. The thermal
trough is expected to push inland and weaken Tuesday, allowing
conditions to improve at least into Thursday. -keene dw

Fire weather Updated 300 am pdt Friday 23 august 2019... There
was little change made to the forecast, mainly fine tuning of the
relative humidity forecast. A strong warming and drying trend
will begin today. The warmest and driest conditions are likely on
Tuesday, but improvement during the remainder of next week will be
barely noticeable.

While the passage of a weak, dry cold front on Saturday will not
bring any cooling, it will bring gusty westerly winds east of the
cascades with afternoon and evening speeds stronger than normal at
12 to 18 mph with gusts up to 25 mph.

Associated with the warming and drying trend will be night into
morning northeast winds of 5 to 15 mph over the coast range with
moderate mid slope and ridge humidity recoveries tonight through
Monday night.

The air mass will remain stable at least through Tuesday night, and
likely through Thursday morning. Model uncertainty increases beyond
day 5 with differences in the track of a closed low over the
pacific. -dw

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory until 5 am pdt Sunday
for pzz356-376.

Hazardous seas warning until 5 am pdt Saturday for pzz356-376.

Small craft advisory until 5 am pdt Saturday for pzz350-370.

15 15 15


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SNTO3 12 mi54 min Calm 49°F 1015 hPa49°F
46128 14 mi84 min N 19 56°F 58°F
CHAO3 - 9432780 - Charleston, OR 16 mi48 min N 1.9 G 4.1 59°F1014.1 hPa
PORO3 - 9431647 - Port Orford, OR 27 mi54 min WNW 11 G 15
46229 - UMPQUA OFFSHORE, OR (139) 46 mi24 min 61°F7 ft

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR23 mi88 minNNE 510.00 miFair54°F53°F97%1014.6 hPa

Link to 5 minute data for KOTH

Wind History from OTH (wind in knots)
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Last 24hr--N5N5NE4N9NE12N10NE8N12N13N18N18N21
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------N8--NW3----N5Calm
1 day ago----SE6S5S5SE5SE5SE8SE6S6SE84W9W8W6--Calm----N9N8--N8N9
2 days agoSE6SE4SE6SE6SE5SE6W8W6W10--SW10SW11SW8SW10SW9------------SE7SE6SE6

Tide / Current Tables for Bandon, Coquille River, Oregon
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Bandon
Click for Map
Fri -- 12:17 AM PDT     1.46 feet Low Tide
Fri -- 06:23 AM PDT     4.56 feet High Tide
Fri -- 06:31 AM PDT     Sunrise
Fri -- 07:58 AM PDT     Last Quarter
Fri -- 11:38 AM PDT     2.59 feet Low Tide
Fri -- 02:27 PM PDT     Moonset
Fri -- 06:03 PM PDT     6.29 feet High Tide
Fri -- 08:07 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.62.12.83.64.24.54.54.13.632.72.633.64.55.466.36.15.54.53.42.4

Tide / Current Tables for Charleston, Oregon
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Charleston
Click for Map
Fri -- 12:13 AM PDT     1.52 feet Low Tide
Fri -- 06:21 AM PDT     5.01 feet High Tide
Fri -- 06:31 AM PDT     Sunrise
Fri -- 07:58 AM PDT     Last Quarter
Fri -- 11:38 AM PDT     2.78 feet Low Tide
Fri -- 02:27 PM PDT     Moonset
Fri -- 06:08 PM PDT     6.89 feet High Tide
Fri -- 08:07 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.72.23.13.94.654.94.53.93.32.92.83.23.94.95.86.66.96.764.93.72.5

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.