Tuesday, April23, 2019 L-36.com


Marine Weather and Tides
Bunker Hill, 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 6:19AMSunset 8:10PM Tuesday April 23, 2019 5:45 PM PDT (00:45 UTC) Moonrise 11:59PMMoonset 8:29AM Illumination 79% Phase: Waning Gibbous; Moon at 19 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 244 Pm Pdt Tue Apr 23 2019
Synopsis for the southern oregon coastal waters.. A thermal trough along the coast will continue to strengthen today through Wednesday evening bringing moderate north winds and steep to very steep seas south of cape blanco. The stronger winds will spread north of cape blanco Wednesday and then weaken some Thursday into early Friday, especially north of the cape. The thermal trough is likely to re-strengthen Friday through the weekend bringing another bout of strong north winds that may reach gale force, at times, south of cape blanco.


7 Day Forecast for Marine Location Near Bunker Hill, OR
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location: 43.36, -124.13     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 232157
afdmfr
area forecast discussion
national weather service medford or
257 pm pdt Tue apr 23 2019

Short term A weak trough is pushing east of the cascades this
afternoon, flattening the upper ridge that extends from offshore
of california to the great basin. This is leading to broad west-
northwest flow aloft with low-level onshore flow north of the
umpqua divide. Mostly fair-weather cumulus are out there this
afternoon. There could be an isolated shower in the douglas
foothills north and west of crater lake into this evening and
perhaps also out east of the cascades in eastern klamath lake
counties. But overall, moisture, forcing and instability for
precipitation are weak, with limited vertical cloud growth.

Elsewhere, it'll remain dry and warm with at least partial
sunshine through this evening.

Dry weather is expected tonight with a marine push west of the
cascades. Where it isn't present already, stratus will likely
return to portions of the coast and the umpqua valley. Model
soundings show some low-level moisture spilling over into the
rogue illinois valleys by Wednesday morning, so there could be a
few hours of lower stratus or stratocumulus early on, especially
at the edges of the valley, but these should burn off readily by
late morning. Model 850 temps Wednesday afternoon are very similar
to today's, so high temperatures probably won't be much different
from where they end up today. It could be slightly cooler in the
umpqua valley where clouds last longest in the morning and cool
northerly breezes get going in the afternoon. Where there is some
instability in SE sections of the area Wednesday afternoon, there
really is no trigger for convection, so have kept the forecast dry
with some afternoon cumulus.

Thursday will probably be the warmest day of the short term with
the upper level flow becoming a bit more from the southwest. Most
areas will be dry with afternoon west-northwest breezes and inland
temperatures largely in the 70s and 80s. Once again, expect some
instability in portions of eastern siskiyou modoc SE lake
counties. Overall, not much trigger to speak of, but models do
show isolated cells developing near the medicine lake region
eastward to the warners. So, have maintained a slight chance for
thunderstorms Thursday afternoon and evening.

Thursday night into Friday, a dry upper trough will swing through
the area. It could get breezy again Friday afternoon, especially
east of the cascades. High temperatures should be about 4-8
degrees lower compared to Thursday. -spilde

Long term Saturday through Tuesday night... The extended
continues the conditions expected after a dry cold front: windy, and
somewhat cooler than earlier this week. Temperatures will be closer
to normal for this time of year, but will continue to be a few
degrees warmer than normal. Winds will be quite breezy on Saturday
as well.

A ridge of high pressure begins to slowly build back into the
pacific northwest and northern california, but it will only be a
weak high pressure at best. This will keep temperatures on the
somewhat cooler side, but we'll also remain dry. That being said,
the thermal trough will try to build in on Sunday and possibly
briefly Monday, which could bring weak easterly winds and slightly
warmer temperatures to most of southern oregon and northern
california. Then another front digs in from the north bringing the
next shot of rain and high elevation snow Tuesday night into
Wednesday. -schaaf

Aviation For the 23 18z tafs...

a weak trough of low pressure will bring cumulus and partial terrain
obscurations to the windward upper slopes and ridges this afternoon
into this evening, diminishing in coverage tonight into Wednesday
morning. Ifr to MVFR stratus along and near the coast will generally
affect areas north of port orford this afternoon through early
Wednesday morning before increasing northeast flow pushes most of it
offshore. MVFR to ifr stratus is also expected to spread into the
umpqua basin and portions of josephine county late tonight into
Wednesday morning. Otherwise,VFR is generally expected to prevail.

Btl

Marine Updated 245 pm pdt Tuesday, 23 april 2019...

west-northwest swell has been slow to build today and is likely to
peak in the 6 to 7 foot range with a dominant period of 12 seconds
late this afternoon into the early this evening. Meanwhile, a
thermal trough along the coast will continue to strengthen through
Wednesday evening bringing moderate north winds and steep to very
steep seas south of CAPE blanco. The stronger winds will spread
north of CAPE blanco Wednesday and then weaken some Thursday into
early Friday, especially north of the cape. The thermal trough is
likely to re-strengthen Friday through the weekend bringing another
bout of moderate to strong north winds that appear likely to reach
gale force, at times, south of CAPE blanco. Btl
note: buoys 46027 and 46015 are both out of service. According to
the national data buoy center, 46015 is scheduled to be redeployed
in august. Redeployment of 46027 has not been scheduled. Buoy 46229
is the only operational buoy in the coastal waters between newport
and eureka.

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory until 5 am pdt Thursday for
pzz350-356-370-376.

Hazardous seas warning from 5 am Wednesday to 5 am pdt Thursday
for pzz356-376.

Mas bms btl


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 11 mi69 min N 13 G 18 53°F1024.2 hPa
46229 - UMPQUA OFFSHORE, OR (139) 36 mi45 min 55°F6 ft
PORO3 - 9431647 - Port Orford, OR 47 mi45 min NW 13 G 19 59°F 49°F1023.2 hPa (-0.5)

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR8 mi49 minNNW 1910.00 miMostly Cloudy and Breezy55°F51°F87%1024.1 hPa

Wind History from OTH (wind in knots)
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Last 24hrNW4W3NW5W5N4CalmW4CalmCalmN3N4CalmSE3CalmCalmW4NW3N7N10N11N14N16N16N19
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2 days agoN11NW13N11N10N8N6N8NE5CalmCalmCalmCalmNE3NE3NE4NE5NE6NE7N10N11N12NW18N17N16

Tide / Current Tables for Charleston, Oregon
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Charleston
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Tue -- 12:01 AM PDT     Moonrise
Tue -- 03:08 AM PDT     7.73 feet High Tide
Tue -- 06:22 AM PDT     Sunrise
Tue -- 09:30 AM PDT     Moonset
Tue -- 10:02 AM PDT     -0.63 feet Low Tide
Tue -- 04:41 PM PDT     6.23 feet High Tide
Tue -- 08:09 PM PDT     Sunset
Tue -- 09:59 PM PDT     2.92 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.86.17.27.77.46.44.72.81.1-0.2-0.6-0.30.82.445.36.16.25.74.93.93.22.93.2

Tide / Current Tables for Charleston, Oregon (2)
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Charleston
Click for Map
Tue -- 12:01 AM PDT     Moonrise
Tue -- 03:00 AM PDT     7.49 feet High Tide
Tue -- 06:22 AM PDT     Sunrise
Tue -- 09:30 AM PDT     Moonset
Tue -- 10:00 AM PDT     -0.71 feet Low Tide
Tue -- 04:43 PM PDT     5.85 feet High Tide
Tue -- 08:09 PM PDT     Sunset
Tue -- 09:51 PM PDT     2.74 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.76.17.17.57.164.32.50.8-0.3-0.7-0.30.72.23.755.75.85.44.53.62.92.73.1

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 (20,4,5,8)
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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.