Sunday, March26, 2017

Marine Weather and Tides
Butte Falls, 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 6:59AMSunset 7:32PM Sunday March 26, 2017 9:56 AM PDT (16:56 UTC) Moonrise 5:27AMMoonset 5:08PM Illumination 1% Phase: Waning Crescent; Moon at 29 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
PZZ330 1126 Pm Pdt Fri Aug 9 2013
.thunderstorms over the waters... Thunderstorms over the waters have weakened but isolated storms will continue overnight. Mariners can expect gusty and erratic winds with the storms along with frequent lightning. If caught on the open water stay below deck if possible...keep away from ungrounded metal objects. Lat...lon 4397 12411 4396 12411 4400 12413 4284 12455 4242 12440 4225 12441 4205 12428 4184 12422 4181 12580 4198 12579 4220 12589 4370 12576 4386 12565 4399 12562 4403 12414
PZZ300 900 Am Pdt Sun Mar 26 2017
Synopsis for the southern oregon a waters..South gales ahead of a cold front will persist into this afternoon. Winds will decrease behind the front, but seas will remain high and steep. Seas will build to a peak Monday into Monday evening due to the combination of a west swell and a very long period west swell. The high seas will then be accompanied by increasing southerly winds with the next system Tuesday evening into Wednesday.

7 Day Forecast for Marine Location Near Butte Falls, OR
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location: 42.42, -122.49     debug

Area Discussion for - Medford, OR
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Fxus66 kmfr 261500
area forecast discussion
national weather service medford or
800 am pdt Sun mar 26 2017

Discussion 26/12z NAM in.

The northern hemispheric projection shows a wave number of four
around the globe and occasionally hints at a five over the next
several days. This argues for a moderately progressive pattern.

That is indeed what we will get over the next several days.

Overall the pattern looks quite spring like... With weaker storms
driven by low amplitude upper level troughs. The primary storm
track will remain to the north of the area... But there will be
some action down here.

A weak long wave ridge is now moving out to the east. An upper
level trough is approaching the coast... And it is ejecting short
waves short waves out ahead of it. The first of these short waves
is supporting a surface front which is now moving onshore. Light
precipitation is being reported over the entire west side and
near east side. Not much in the way of winds yet though. Winds
have been gusty over the ridges... In the shasta valley... And east
of the cascades... But nothing impressive so far. With the cold
core aloft... Isolated thunderstorms are also possible today over
the east side and tonight along the north coast. Snow levels will
rise to 4500-6000 feet Sunday... Then fall to around 3500-4500 feet
Sunday night.

Subsequent short waves will support plenty of shower activity
Sunday night into Monday. The last of the short waves and the
long wave trough will move through the area Monday. Showers will
diminish in the wake of the trough. Snow levels will be 3000-4500
feet or so Monday.

After that, there will be a longer break in the action as a long
wave ridge moves toward the west coast. This will bring dry and
warmer weather to the area Monday night into Tuesday. The ridge
axis will break to the east of the area Tuesday night and a strong
short wave riding up the back side of the ridge will move onshore
to the north of the area Wednesday. A warm front will move onshore
Tuesday night... Followed by a trailing cold front Wednesday
afternoon. With most of the upper level support remaining to the
north... Both fronts will be relatively weak this far south. Even
so... Most if not all of the medford CWA will get some light
precipitation Tuesday night into Wednesday. A stronger short wave
with a more southerly trajectory will move onshore Wednesday
night with the long wave trough. This will support post-frontal
showers lasting into Thursday.

Aviation 26/12z TAF cycle... A cold front will arrive at the coast
early this morning and weaken as it spreads inland through the day.

Ahead of this front, a stronger SW winds aloft could lead to low
level wind shear at north bend early this morning, then mid morning
at roseburg and medford. Low level wind shear should not be a
concern by this afternoon and kept it out of the taf, but will need
to be reevaluated. The front will also bring increased coverage of
MVFR for areas west of the cascades with local ifr over the coastal
range. Snow levels will be around 5000 to 5500 feet msl.


Marine Updated 230 am pdt Sunday 26 march 2017... South winds are
already increasing and are approaching small craft ahead of the next
front that is still west of the waters. South winds will ramp up
further to gales in the next few hours with gales expected to last
into the afternoon. Steep seas are also expected. The models are in
pretty good agreement pushing the front onshore this evening at
which point winds will decrease and become southwest. However seas
will remain steep through this evening. Seas will decrease tonight
into early Monday morning, then a combination of a longer period and
shorter period west swell is due to move in Monday afternoon
resulting in combined seas between 10-13 feet. Steep seas could
linger through at least Wednesday night. -petrucelli

Mfr watches/warnings/advisories
Or... Winter weather advisory until 11 am pdt Monday for orz027-028.

Ca... Wind advisory from noon today to 8 pm pdt this evening for

Pacific coastal waters... Gale warning until 5 pm pdt this afternoon for

Hazardous seas warning until 5 pm pdt this afternoon for


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rogue Valley International Airport, OR20 mi64 minN 010.00 miOvercast44°F42°F93%1013.1 hPa

Wind History from MFR (wind in knots)
Last 24hrCalmN3NE54NW11NW10NW13W9
1 day agoSW6SW5S8CalmSW3N7NE8NE7CalmN3N3NW6N4N3W4CalmCalmCalmCalmE3CalmCalmCalmCalm
2 days agoCalm33NE4NE3W6W8W5N5SW5N6CalmN6N3NE3CalmNE4NW35SE12

Tide / Current Tables for Brookings, Chetco Cove, Oregon
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Sun -- 05:12 AM PDT     1.47 feet Low Tide
Sun -- 06:34 AM PDT     Moonrise
Sun -- 07:09 AM PDT     Sunrise
Sun -- 11:09 AM PDT     6.72 feet High Tide
Sun -- 05:37 PM PDT     -0.05 feet Low Tide
Sun -- 06:15 PM PDT     Moonset
Sun -- 07:36 PM PDT     Sunset
Sun -- 11:53 PM PDT     6.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
IR Satellite Image from GEOS

GOES Local Image of PacificNorthwest    EDIT

Wind Forecast for Medford, OR (12,3,4,5)
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Ground Weather Radar Station Medford, OR
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weather_mapweather_map weather_map

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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 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 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.