Monday, May22, 2017 L-36.com


Marine Weather and Tides
Bandon, OR

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 5:43AMSunset 8:44PM Monday May 22, 2017 2:31 PM PDT (21:31 UTC) Moonrise 3:08AMMoonset 4:01PM Illumination 8% Phase: Waning Crescent; Moon at 27 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 900 Am Pdt Mon May 22 2017
Synopsis for the southern oregon coastal waters..The thermal trough pattern is weaker this morning than yesterday, but should strengthen today and tomorrow, with gales expected to develop Tuesday afternoon. Fog will continue to be an intermittent concern, mainly beyond a few miles from shore. Gales are currently expected to subside by Thursday morning as the thermal trough pattern weakens.

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 221622
afdmfr
area forecast discussion
national weather service medford or
922 am pdt Mon may 22 2017

Update Satellite imagery shows that the marine layer along the
coast has mostly receeded. Expect clear skies over the entire cwa
and offshore to northerly winds over the coast this afternoon. Low
clouds and patchy fog will return to the coast late tonight. Highs
today will be warmer than yesterday... Generally 10 to 20 degrees
above normal. Tuesday should be just as hot... But a low swinging
into the area Tuesday night should bring temperatures down to just
5 to 10 degrees above normal Wednesday afternoon. Thunderstorm
potential Tuesday and Wednesday looks low... But left it in the
forecast for now and will further assess that potential today and
update in the afternoon forecast package. Otherwise, current
forecast is on track... See previous discussion for more
information -msc

Marine Updated 830 am pdt Monday, 22 may 2017... The thermal
trough pattern is weaker this morning than yesterday, but should
strengthen today with gales expected to begin south of CAPE blanco
Tuesday afternoon. Confidence in when gales start over the waters
within 10 nm from shore south of CAPE blanco is low to moderate
at this time, so will maintain at watch at this time. Gales are
expected to begin for portions of the area north of the cape
Tuesday night into Wednesday. Fog will continue to be an
intermittent concern... Mainly beyond a few miles from shore. Gales
are currently expected to subside by Thursday morning as the
thermal trough pattern weakens. Sk/sbn

Prev discussion /issued 700 am pdt Mon may 22 2017/
updated aviation discussion.

Short term... A strong upper level ridge will continue over the
region today into Tuesday bringing hot temperatures to inland
areas. Temperatures are expected to soar into the mid 90s across
west side valleys today and into the mid 80s for valleys east of
the cascades. These temperatures are around 15 to 20 degrees
above normal for this time of year. People who may be impacted by
this heat should take extra precautions, especially during the
hottest part of the day. Additionally, area rivers may have fast
moving and very cold water. People near rivers and streams should
be aware of the danger of very cold and swift moving water.

On Tuesday, an upper trough will begin move southeastward out of
the gulf of alaska. Expect continued hot temperatures across the
area though on Tuesday, expect for a decrease in temperatures
along the coast and a slight decrease of temperatures in the
umpqua valley.

As the upper low to the north moves inland over british columbia
and then to eastward Tuesday night and Wednesday, models show a
broad trough moving over the pacific northwest. This will result
in cooler temperatures. As the trough moves inland, also expect a
marine push of low clouds from the coast into the umpqua on
Tuesday night and Wednesday morning. A weak, but relatively dry,
front moving across the area on Wednesday may also result in a few
showers or thunderstorms in portions of northern california.

Models have trended lower on the chance for showers and
thunderstorms Wednesday afternoon and evening and have limited
this risk mainly to areas in southern siskiyou and modoc counties.

The main impact from this weather system will be cooler
temperatures with high temperatures lowering into the 70s to 80s
across most inland areas.

Heading into Thursday and Friday, models continue to show some
variability on the exact position of the upper trough and a
shortwave disturbance moving down the trough and into the region.

The trough axis is forecast to remain east of the area. However,
depending on the track of the shortwave disturbance moving down
the back side of this trough on Thursday and into Friday, may see
a slight chance for showers of thunderstorms over eastern portions
of the cwa, mainly into lake county. Also on Friday, the ecmwf
and GFS show some mid level moisture and daytime instability
bringing a slight chance for a few showers or thunderstorms to
western siskiyou county.

Late Friday into Friday night, the upper ridge off the coast will
rebuild over the pacific northwest. The ridge will continue over
the region into the weekend with a gradual warming trend. Some
southerly moisture is expected to move up from the sierras and
into the area on the weekend. This combined with daytime
instability, may bring a slight chance for thunderstorms, mainly
into northern california. The lack of a significant trigger may
keep thunderstorm chances low. Of note, the GFS is indicating an
upper trough and low approaching the pacific northwest coast as
early as late Sunday while the ECMWF is much slower with the
movement and strength of this low. This upper low may bring
additional disturbances and moisture into the area as it
approaches late Sunday into early next week, resulting in a chance
to slight chance for showers and thunderstorms over inland areas.

Confidence is low in the details for Sunday into early next week
due to model variability though.

Aviation 22/12z TAF cycle... Lifr conditions are being observed
from reedsport to CAPE blanco this morning. Clearing should occur
along and near the coast by about 18z this morning. A return of
ifr conditions is expected this evening at the coast from cape
blanco northward. Elsewhere,VFR is expected for the next 24
hours. Sk

Mfr watches/warnings/advisories
Or... None.

Ca... None.

Pacific coastal waters... Gale watch from Tuesday morning through Thursday morning for
pzz356-376.

Small craft advisory until 11 am pdt Thursday for
pzz350-356-370.

Gale watch from Tuesday evening through Thursday morning for
pzz350-370.

Small craft advisory until 11 pm pdt Tuesday for pzz376.

Msc/nsk/bpn


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 16 mi56 min N 5.1 G 7 53°F1015.9 hPa
PORO3 - 9431647 - Port Orford, OR 27 mi140 min S 1.9 G 2.9 57°F 47°F1014.9 hPa
46015 - Port Orford - 16 NM West of Port Orford, OR 33 mi42 min N 19 G 21 56°F 54°F6 ft1015.2 hPa (-0.3)
46229 - UMPQUA OFFSHORE, OR (139) 45 mi38 min 56°F6 ft

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
North Bend, North Bend Municipal Airport, OR23 mi37 minN 16 G 2010.00 miFair73°F55°F53%1015.6 hPa

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N11N10N7N7N3N6CalmCalmSE3CalmN3CalmCalmNW5NW7N10N13N17
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N10N11N8N11N8N7N8N6N7N7N7N6N7N9N10N11N12N13N12N14
G20

Tide / Current Tables for Bandon, Coquille River, Oregon
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Bandon
Click for Map
Mon -- 04:07 AM PDT     Moonrise
Mon -- 04:08 AM PDT     0.63 feet Low Tide
Mon -- 05:47 AM PDT     Sunrise
Mon -- 10:04 AM PDT     5.26 feet High Tide
Mon -- 03:56 PM PDT     0.95 feet Low Tide
Mon -- 05:00 PM PDT     Moonset
Mon -- 08:42 PM PDT     Sunset
Mon -- 10:12 PM PDT     6.96 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.73.3210.60.91.72.844.95.354.23.121.211.32.43.85.26.46.96.7

Tide / Current Tables for Charleston, Oregon
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Charleston
Click for Map
Mon -- 04:07 AM PDT     Moonrise
Mon -- 04:11 AM PDT     0.77 feet Low Tide
Mon -- 05:46 AM PDT     Sunrise
Mon -- 10:13 AM PDT     5.93 feet High Tide
Mon -- 04:01 PM PDT     1.20 feet Low Tide
Mon -- 05:00 PM PDT     Moonset
Mon -- 08:42 PM PDT     Sunset
Mon -- 10:22 PM PDT     7.76 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.43.92.41.30.811.93.14.45.45.95.74.93.82.51.61.21.62.64.15.777.77.6

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 (17,4,5,8)
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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.