Thursday, March23, 2017 L-36.com


Marine Weather and Tides
Florence, 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 7:10AMSunset 7:35PM Thursday March 23, 2017 7:17 PM PDT (02:17 UTC) Moonrise 3:46AMMoonset 1:55PM Illumination 13% Phase: Waning Crescent; Moon at 26 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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PZZ255 Coastal Waters From Cape Shoalwater Wa To Cascade Head Or Out 10 Nm-coastal Waters From Cascade Head To Florence Or Out 10 Nm- 241 Pm Pdt Thu Mar 23 2017
.gale warning in effect through late tonight...
Tonight..S wind 15 to 25 kt rising to 25 to 30 kt with gusts to 35 kt in the evening. Winds easing to 20 to 25 kt with gusts to 30 kt late tonight. Combined seas building to 13 ft dominant period 10 seconds. Rain.
Fri..S wind 15 to 20 kt. Wind waves S 4 ft at 6 seconds. SW swell 9 ft at 10 seconds. Showers and a slight chance of tstms.
Fri night..SW wind 10 to 15 kt with gusts to 20 kt. Wind waves sw 3 ft at 5 seconds. W swell 8 ft at 11 seconds. Slight chance of tstms in the evening. Showers.
Sat..W wind 5 to 10 kt. Wind waves W 2 ft at 4 seconds. W swell 10 ft at 11 seconds. Chance of showers.
Sat night..SW wind 5 to 15 kt...backing to S after midnight. Wind waves S 2 ft at 4 seconds. W swell 8 ft at 12 seconds.
Sun..SE wind 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. W swell 5 ft. Rain likely.
Sun night..S wind 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft. SW swell 7 ft. Showers.
Mon..SW wind 10 to 15 kt. Wind waves 3 ft. W swell 12 ft.
Tue..SW wind 5 to 10 kt. Wind waves 2 ft. W swell 12 ft.
PZZ200 241 Pm Pdt Thu Mar 23 2017
Synopsis for southern washington and northern oregon coast.. A cold front will move east across the coastal waters this evening bringing gales force winds. Winds will decrease behind the front later tonight and Fri. High pressure will bring quieter weather Fri night through Sat night. Another strong front returns higher wind and seas Sun.

7 Day Forecast for Marine Location Near Florence city, OR
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location: 44, -124.14     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 232225
afdpqr
area forecast discussion
national weather service portland or
325 pm pdt Thu mar 23 2017

Synopsis An occluding pacific frontal system will spread rain
across southwest washington and northwest oregon this afternoon into
tonight, with showers and a few thunderstorms lingering into Friday.

High pressure will cause showers to taper off late Saturday, but the
next frontal system will likely bring more rain Sunday followed by
showers Monday. Occasionally wet weather is expected to linger
through the middle of next week.

Short term Tonight through Sunday... Visible satellite imagery
continues to show mid and high clouds filtering into southwest
washington and northwest oregon this afternoon ahead of an
approaching frontal system. Doppler radar is also starting to show
some light returns this afternoon, but based on recent surface
observations suspect this is mainly falling as virga at the moment.

Otherwise, the forecast remains on track for this afternoon and
tonight with rain arriving at the coast in the next several hours and
pushing inland this evening. Rain with this front could be heavy at
times, but models continue to keep the highest QPF over southern
oregon. In general, expect around 1 to 1.5 inches of rain along the
coast and in the coast range and portions of the cascades through
Friday. The interior could see around 0.5 to 1 inch. Snow levels look
to remain above the passes tonight and Friday, with the high cascades
likely getting another 4 to 6 inches of new snow.

Rain will turn to showers along the coast by Friday morning and
inland by the afternoon as the cool upper level trough starts to move
onshore. Models continue to show around 200 to 500 j/kg of CAPE over
the forecast area tomorrow afternoon, with 0 to 3 km bulk shear
around 25 kt. If we are able to get any sunbreaks tomorrow afternoon
we could see a few thunderstorms develop across the region. However,
this is a big if. Despite this have decided to keep the mention of
thunder in the forecast, but will hold off adding the mention of
gusty winds or small hail.

Showers look to continue into early Saturday, but as high pressure
builds into the pacific northwest late Saturday these showers will
likely come to an end for a brief period of dry weather Saturday
night. The next frontal system looks to impact the forecast area on
Sunday bringing the return of cool and wet weather. /64

Long term Sunday night through Thursday... 12z global models are
in general agreement with evolution of the long wave pattern,
however, details are far too sketchy to pin down specific dry
periods. This is somewhat of a shift from earlier runs where the
early part of next week showed signs of a brief dry period. Cold
front Sunday night will push east through early Monday. Plenty of
orographic showers will follow through Monday evening. There, the
gfs and ECMWF start to show differences among the operational runs.

Have thereafter decided to stick fairly close to a blend of the
ensemble means as the ECMWF is slightly more progressive with the
westerly flow while the GFS is continuing more of the amplified
pattern it's shown the last few days. The 12z runs do come back
together on Wednesday/Wednesday night with a trough sweeping east
across the region. For now, that looks like the wettest day although
given the run to run inconsistency, have kept lower end likely pops
for now. Regardless of the details, overall conditions will close to
seasonal temperature norms which keeps snow levels bouncing between
4000 and 6000 feet. /jbonk

Aviation Vfr conditions this afternoon are likely to give
way to MVFR conditions along the coast between 22z and 02z late today
as rain associated with a cold front increases. There is a chance
for seeing short-lived periods of ifr visibilities during periods of
heavier rain mainly between 02z and 06z. Once the front moves inland
expect conditions to improve back to mainlyVFR conditions with
showers after 11z. Inland expect mainlyVFR conditions to prevail
tonight into fri, but from 04z through 13z expect at least a
chance for temporary MVFR conditions associated with the front.

Kpdx and approaches...VFR conditions remain most likely tonight
throughout tonight, but there is a chance for seeing MVFR conditions
in rain between 04z and 13z as a cold front slowly moves through.

After 13zVFR conditions are expected to prevail.

Marine Cold front will move east across the coastal waters early
this evening, likely reaching the coast between 6 and 8 pm. By early
afternoon winds over the outer waters were approaching gale force,
and are expected to become solidly gale until after the front moves
through over the outer waters. Inner waters will be a little slower
coming up to gales this evening due to a little bit of an offshore
component to the wind. Will see winds turn more to the west and
decrease behind the front later tonight into fri, but with gusts
still on the order of 20 to 25 kt through fri. Seas will respond to
the local winds tonight meaning they will be steep, and are expected
to rise to around 15 ft. By late tonight though as winds subside so
too will seas, down to around 10 ft fri. A ridge of high pres moves
slowly east across the coastal waters Fri night through Sat night
for quieter weather.

Sun another cold front approaches from the west, increasing winds
again. Winds with this system expected to gust as high as 30 to 35
kt late sun.

Pqr watches/warnings/advisories
Or... None.

Wa... None.

Pz... Gale warning until 1 am pdt Friday for waters from cape
shoalwater wa to florence or from 10 to 60 nm.

Gale warning until 3 am pdt Friday for coastal waters from cape
shoalwater wa to florence or out 10 nm.

Small craft advisory for rough columbia river bar from 9 pm
this evening to 5 am pdt Friday.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46229 - UMPQUA OFFSHORE, OR (139) 27 mi32 min 51°F14 ft
SBEO3 - 9435380 - South Beach, OR 43 mi48 min SE 7 G 11 49°F 52°F1011.8 hPa
NWPO3 - Newport, OR 43 mi78 min SE 7 G 8.9 48°F 1012.2 hPa (-2.3)
46097 45 mi148 min S 19 51°F 51°F1011.1 hPa
CHAO3 - 9432780 - Charleston, OR 46 mi48 min E 1 G 5.1 53°F1012.5 hPa

Wind History for South Beach, Yaquina River, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
North Bend, North Bend Municipal Airport, OR40 mi23 minSSE 1110.00 miOvercast48°F46°F94%1012.5 hPa

Wind History from OTH (wind in knots)
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Last 24hrW4CalmS3S5SE5SE6SE7SE6S6SE6S7S7S7S8S8SE7E6S7S6SW8S9S7SE7SE8
1 day agoSE6S6S10
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2 days agoCalmSW6------------------S7--CalmS7S5S9SW7S8
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Tide / Current Tables for Entrance, Siuslaw River, Oregon
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Entrance
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Thu -- 03:21 AM PDT     3.13 feet Low Tide
Thu -- 04:46 AM PDT     Moonrise
Thu -- 07:13 AM PDT     Sunrise
Thu -- 09:06 AM PDT     6.26 feet High Tide
Thu -- 02:55 PM PDT     Moonset
Thu -- 04:10 PM PDT     0.53 feet Low Tide
Thu -- 07:33 PM PDT     Sunset
Thu -- 10:45 PM PDT     5.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.743.53.23.23.74.45.366.36.15.44.331.80.90.50.71.52.63.94.95.65.7

Tide / Current Tables for Gardiner, Umpqua River, Oregon
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Gardiner
Click for Map
Thu -- 04:27 AM PDT     2.60 feet Low Tide
Thu -- 04:45 AM PDT     Moonrise
Thu -- 07:13 AM PDT     Sunrise
Thu -- 10:08 AM PDT     5.73 feet High Tide
Thu -- 02:55 PM PDT     Moonset
Thu -- 05:16 PM PDT     0.44 feet Low Tide
Thu -- 07:33 PM PDT     Sunset
Thu -- 11:47 PM PDT     5.24 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.74.23.632.62.73.13.84.75.45.75.6542.81.70.90.50.61.32.33.44.45.1

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 Portland, OR (22,6,7,8)
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Ground Weather Radar Station Portland, 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.