Sunday, August25, 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 6:31AMSunset 8:06PM Sunday August 25, 2019 4:03 AM PDT (11:03 UTC) Moonrise 12:07AMMoonset 3:37PM Illumination 26% Phase: Waning Crescent; Moon at 25 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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PZZ350 Coastal Waters From Florence To Cape Blanco Or Out 10 Nm- 255 Am Pdt Sun Aug 25 2019
.hazardous seas warning in effect from this afternoon through Monday evening...
.small craft advisory in effect from 11 am pdt this morning through Tuesday morning...
Today..N wind 10 to 20 kt...rising to 20 to 25 kt late afternoon. Wind waves 3 ft...building to 4 to 5 ft in the afternoon. NW swell 5 to 6 ft at 12 seconds.
Tonight..N wind 15 to 25 kt. Wind waves 5 to 8 ft. NW swell 4 to 5 ft at 11 seconds.
Mon..N wind 15 to 25 kt. Wind waves 5 to 7 ft. W swell 3 to 4 ft at 11 seconds.
Mon night..N wind 20 to 25 kt...easing to 10 to 20 kt after midnight. Wind waves 6 to 8 ft. W swell 2 to 3 ft.
Tue..N wind 5 to 15 kt. Wind waves 3 to 6 ft. W swell 2 ft.
Tue night..N wind 5 to 10 kt...veering to S after midnight. Wind waves 3 to 4 ft. W swell 2 ft... Shifting to the nw 3 to 4 ft after midnight.
Wed..S wind 10 kt...becoming 10 to 15 kt. Wind waves 2 ft or less. Mixed swell nw 4 ft and W 2 ft.
Thu..S wind 10 to 15 kt. Wind waves 2 ft or less...becoming 3 ft. NW swell 2 to 3 ft.
PZZ300 255 Am Pdt Sun Aug 25 2019
Synopsis for the southern oregon coastal waters.. A thermal trough along the coast will strengthen this afternoon through Monday, resulting in strong, gusty north winds and a mix of steep to very steep seas over the waters. Gales are expected to develop across portions of the waters south of port orford late this afternoon through Monday evening. Very steep and hazardous, wind-driven seas are expected to build over the waters south of reedsport late today with steep seas elsewhere. These very steep to steep seas will continue into Monday night. Winds will diminish by Tuesday afternoon and seas will gradually diminish Tuesday into Tuesday night. Southerly winds and lighter seas are expected 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 250350
afdmfr
area forecast discussion
national weather service medford or
850 pm pdt Sat aug 24 2019

Discussion Updated 254 pm pdt Saturday, 24 august 2019... Two
words come to mind for the forecast for this week. The first word
is hot. A strong ridge develops over the pacific northwest on
Monday and remains over the area on Tuesday. The accompanying
strong thermal trough develops along the coast on Monday and
moves to the i-5 corridor on Tuesday. It then moves just east of
the cascades on Wednesday. What this means is temperatures inland
will warm significantly on Monday around 5 to 10 degrees above
normal. Temperatures will warm further and peak on Tuesday west of
the cascades. Expect high 90s to 105 all along the i-5 corridor.

Roseburg will be flirting with record high temperature territory.

Temperatures should cool a few degrees west of the cascades on
Wednesday. However, temperatures east of the cascades should peak
on Wednesday with 1 to 2 degrees warmer compared to Tuesday.

The second word is thunderstorms. Model data is showing a low
pressure trough moving toward the southern oregon coastline from
the southwest on Wednesday. With the very warm airmass over the
area and the increasing instability this low will introduce gives
us more confidence in the chance for thunderstorms Wednesday
afternoon through Thursday. This is a pattern conducive to seeing
storms west of the cascades so we have introduced a slight chance
for thunderstorms Wednesday afternoon. Depending on how this
evolves, thunderstorms could continue overnight into Thursday
morning. However, have left chances for them out for now.

Temperatures Thursday will be cooler and the short heat wave will
be over but it will still be unstable with thunderstorm chances
remaining. East of the cascades will have the best chance for
storms on Thursday.

Friday and Saturday looks to be near normal temperature-wise when
a drier southwest flow takes over as a pacific low pressure
system moves toward northwest washington.

-sargeant

Aviation For the 25 00z tafs... Marine stratus will develop once
again along the coast and just offshore with MVFR ceilings to start
at north bend, lowering to ifr with local lifr ceilings late this
evening and tonight. Confidence on the timing of when lower
conditions develop are low to moderate, so watch for updates.

Onshore flow is expected to increase enough for the marine stratus
to push and or develop further inland tonight including the coquille
basin and portions of the umpqua basin. For now kept roseburg clear
through the TAF period, but there is a chance the marine stratus
could sneak in towards daybreak Sunday. Even if it does ceilings
should remainVFR.

ElsewhereVFR conditions will continue through the TAF period with
gusty winds late in the afternoon and evening hours at roseburg,
medford and klamath falls.

-petrucelli sven

Marine Updated 205 pm pdt Saturday, 24 august 2019...

a weak thermal trough will persist along the coast today into
tonight. This will bring some gusty north winds to the southern
waters, with small craft advisory winds and seas expected south of
port orford.

The thermal trough will strengthen Sunday afternoon through Monday.

This will result in strong, gusty north winds and a mix of steep to
very steep seas across the waters. Gusty winds reaching gale force
are expected for the waters south of CAPE blanco in the late
afternoon and evening on Sunday. Pockets of isolated gale force
winds could exist Monday as well. If these conditions exist Monday
evening they will be between 10 and 20 nm and south of gold beach.

Anticipate winds and seas to gradually lower on Tuesday. However, a
mix of steep to very steep seas may continue to affect the waters
Tuesday morning, with steep seas lingering across the waters Tuesday
afternoon and evening. Expect conditions hazardous to small crafts
to persist through this time.

-miles

Fire weather Updated 200 pm pdt Saturday 24 august 2019... It will
remain dry through at least next Tuesday. There are two main short
term concerns. First will be gusty winds east of the cascades this
afternoon and evening and again Sunday afternoon and evening with
low relative humidity. Although on Sunday gusty winds should be
confined to mainly fire zone 625. Second is breezy winds with
moderate to locally poor overnight recoveries near and at the ridges
in fire zones 618, 619 and 620 Sunday night and Monday night. In
neither case are we expecting any critical fire concerns in these
areas, therefore we'll just highlight it in the fire weather
forecast.

The main driving force for gusty winds east of the cascades this
afternoon and evening and again Sunday afternoon and evening will be
stronger winds aloft (at 700 and 600mb) along with an increasing
pressure gradient and it will bring speeds stronger than normal at
12 to 18 mph with gusts up to 25 mph.

Temperatures and min relative humidities this weekend will be
similar to Friday, although temperatures will end up a degree or
two lower on average for interior locations.

The hottest temperatures will be on Monday, Tuesday and Wednesday
with triple digit readings likely for interior westside valleys
Tuesday and Wednesday. The wildcard for Wednesday will be cloud
cover which could result in afternoon temperatures a few degrees
lower than what's in the forecast.

The models are coming into better agreement next Wednesday and
Thursday. The general consensus shows there is the potential for
thunderstorms Wednesday afternoon. The ECMWF and GFS show a
shortwave moving up from the south and tapping into some moisture
from tropical storm ivo during MAX heating Wednesday afternoon. So
the ingredients (trigger, moisture and instability) are present to at
least introduce a slight chance of thunderstorms Wednesday afternoon
and evening. Also the track of the shortwave is one that is
favorable for thunderstorms west of the cascades.

Another weak shortwave will be on the heals of first one Thursday,
but the track is further north and and the best chance for
thunderstorms will be north of our area. Therefore have trimmed back
the slight chance of thunderstorms and kept them confined to northern
klamath and lake county.

-petrucelli

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory until 11 am pdt Tuesday for pzz356.

Hazardous seas warning from 11 am Sunday to 5 am pdt Tuesday for
pzz356.

Small craft advisory from 11 am Sunday to 11 am pdt Tuesday for
pzz350-370.

Hazardous seas warning from 5 pm Sunday to 5 am pdt Tuesday for
pzz350-370.

Small craft advisory until 11 pm pdt Sunday for pzz376.

Small craft advisory from 5 am to 11 am pdt Tuesday for pzz376.

Gale warning from 5 pm to 11 pm pdt Sunday for pzz376.

Hazardous seas warning from 11 am Sunday to 11 am pdt Tuesday
for pzz376.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 5 mi87 min NE 6 G 7 58°F1018.8 hPa
SNTO3 10 mi93 min NNE 1 59°F 1020 hPa58°F
46128 16 mi63 min N 18 59°F 61°F
46229 - UMPQUA OFFSHORE, OR (139) 28 mi33 min 62°F5 ft
PORO3 - 9431647 - Port Orford, OR 48 mi45 min NNW 8 G 14

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR2 mi67 minNNW 410.00 miPartly Cloudy58°F55°F93%1019.1 hPa

Link to 5 minute data for KOTH

Wind History from OTH (wind in knots)
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Last 24hrSE3SE5S4CalmS3SE5SE3Calm3N11N14N14
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N14N13N11----N9------N7
1 day agoN5CalmCalm--SE4NW3NW3CalmNW8N20N22
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2 days agoN8N9--N5N5NE4N9NE12N10NE8N12N13N18N18N21
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------N8--NW3----

Tide / Current Tables for Empire, Coos Bay, Oregon
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Entrance, Umpqua River, Oregon
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Entrance
Click for Map
Sun -- 01:06 AM PDT     Moonrise
Sun -- 02:36 AM PDT     0.77 feet Low Tide
Sun -- 06:32 AM PDT     Sunrise
Sun -- 09:28 AM PDT     4.72 feet High Tide
Sun -- 01:58 PM PDT     3.37 feet Low Tide
Sun -- 04:37 PM PDT     Moonset
Sun -- 08:04 PM PDT     Sunset
Sun -- 08:20 PM PDT     6.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.41.40.90.81.21.92.83.74.34.74.74.43.93.53.43.544.85.66.36.76.664.9

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.