Tuesday, December10, 2019
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Marine Weather and Tides
Oakland, OR

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
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 7:32AMSunset 4:39PM Tuesday December 10, 2019 2:55 AM PST (10:55 UTC) Moonrise 3:55PMMoonset 5:50AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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- 207 Am Pst Tue Dec 10 2019
.small craft advisory in effect through late Wednesday night...
Today..S wind 5 to 15 kt. Wind waves 3 to 4 ft. W swell 5 ft at 13 seconds...subsiding to 3 ft at 13 seconds and W 3 ft at 17 seconds in the morning, then...building to 8 to 9 ft at 14 seconds and W 4 ft at 16 seconds in the afternoon. Rain.
Tonight..S wind 10 to 20 kt. Wind waves 3 ft. W swell 9 ft at 13 seconds...subsiding to 7 to 8 ft at 12 seconds after midnight. Showers.
Wed..S wind 10 to 20 kt...rising to 15 to 25 kt in the late morning and afternoon. Wind waves 3 to 5 ft. W swell 7 to 8 ft at 14 seconds.
Wed night..S wind 30 kt...becoming 20 to 25 kt after midnight. Wind waves 5 to 8 ft. W swell 8 to 9 ft... Building to 10 to 11 ft and W 4 to 5 ft after midnight. Rain.
Thu..S wind 20 to 25 kt...becoming sw 15 kt in the afternoon. Wind waves 6 to 9 ft. W swell 12 to 15 ft. Rain.
Thu night..S wind 5 to 10 kt. Wind waves 3 to 4 ft. W swell 14 to 16 ft. Rain.
Fri..S wind 5 kt...veering to w. Wind waves 2 ft or less. W swell 14 to 16 ft.
Sat..S wind 5 to 10 kt...veering to sw. Wind waves 2 ft or less. W swell 11 to 13 ft.
PZZ300 207 Am Pst Tue Dec 10 2019
Synopsis for the southern oregon coastal waters..A weak front moves through the waters today, bringing an increase in south winds and steep seas steep early this morning. A stronger front with advisory level south winds, possibly reaching gales, is expected Wednesday while a high and steep long period west swell builds late Wednesday into Friday. Winds ease Thursday and seas gradually diminish late Friday into the weekend. However, active weather continues through the weekend with periods of moderate to heavy rain.


7 Day Forecast for Marine Location Near Oakland, OR
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location: 43.46, -123.35     debug


Area Discussion for - Medford, OR
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FXUS66 KMFR 100441 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 841 PM PST Mon Dec 9 2019

DISCUSSION. An update is not needed for this evening and tonight. The latest satellite image that specializes in viewing fog and low clouds are showing just that in most of the valleys. It has not yet formed in the Umpqua Basin or Rogue Valley, but expect it to happen in the next few hours. High clouds moving ahead of a front probably won't be enough to keep the low clouds and fog from developing.

The new model data is starting to come in and there isn't really anything surprises. The front is still on track to arrive at the coast mid to late Tuesday morning, then moving onshore Tuesday afternoon. Please see previous discussion for details on the weather for the remainder of the forecast period. -Petrucelli

AVIATION. For the 10/00Z TAFs . A mix of IFR/MVFR ceilings and local stratus/fog are still impacting portions of the Illinois, Scott and Shasta Valleys as well as some of the valleys east of the Cascades, including near Klamath Falls. These areas will likely hold onto the low conditions through Tuesday morning. It did manage to clear to VFR in Roseburg and Medford this afternoon, but MVFR stratus held at North Bend. The valley locations that did clear this afternoon will see a few hours of VFR into this evening, but IFR/LIFR stratus/fog will likely return late this evening and continue overnight into Tuesday morning. A frontal system will arrive at the coast Tuesday morning with some light precipitation moving in west of the Cascades in the afternoon/evening, then shifting east of the Cascades at night. This will produce areas of MVFR and terrain obscuration. -Spilde

MARINE. Updated 230 PM PST Monday, 9 December 2019 . Weak high pressure will persist over the waters this afternoon with light winds into early evening. South winds will increase tonight and seas will become steep early Tuesday morning ahead of a cold front. Latest data suggests winds won't quite reach Small Craft Advisory criteria, but the combination of gusty south winds and west swell will create conditions that are hazardous to small craft. The front will be the start of a new series of disturbances. A stronger front with increasing south winds will likely arrive Wednesday while a high and steep long period west swell builds late Wednesday into Friday. We now have high confidence in the west swell reaching at least 16 feet at 16 seconds which will impact some bar crossings and crab pots. Keene

PREV DISCUSSION. /Issued 301 PM PST Mon Dec 9 2019/

DISCUSSION . An unusual patter with the fog and low stratus unfolded today with clearing in the Roseburg area, but remaining through the day in Northern California and east of the Cascades. The stratus should move in quickly around or shortly after sunset to similar locations as last night/this morning. The only mix in the scenario is the approaching front later Tuesday morning, although the current timing with the current cloud cover suggests that the inversions will remain in place until the front moves inland and starts to mix the lower atmosphere with increased mid to upper layer clouds and winds. The front moves inland Tuesday with the right entrance region of an 85 kt jet seeping through. this front stretches well south of the region with a northwesterly jet extending well south to offshore of the southern California coast. Showers behind the front slowly taper off with weak ridging building in ahead of the next system that moves in Wednesday afternoon.

As we head into Thursday IVT models continue to indicate a weak atmospheric river event as the front stalls over the Pacific Northwest Through Thursday night. This system will see a westerly 150 kt jet sitting overhead for most of the duration of the event, but BL winds will not be as strong feeding low level moisture into the region. However, with the weaker low level winds the precipitation will not be a strong orographically influenced, and areas north of the Siskiyous will not be as strongly rain shadowed. In the continued zonal flow pattern and westerly winds pretty much up the column, showers will continue into at least Friday evening as the axis of the jet wobble north and south over the forecast area. There is showing just a brief break in the action Friday night into early Saturday morning before the next system moves in. Snow levels drop on the tail end of the exiting system prior to this, but precipitation amounts are looking low. Sven

MFR WATCHES/WARNINGS/ADVISORIES. OR . High Surf Advisory from 4 AM Thursday to 7 PM PST Friday for ORZ021-022.

CA . None.

Pacific Coastal Waters . Small Craft Advisory from 4 AM Tuesday to 10 PM PST Wednesday for PZZ350-356-370-376.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 53 mi79 min SE 1.9 G 6 50°F1021.8 hPa

Wind History for Charleston, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Roseburg Regional Airport, OR16 mi62 minN 01.25 miFog/Mist40°F39°F97%1022.9 hPa

Link to 5 minute data for KRBG

Wind History from RBG (wind in knots)
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Last 24hrS3CalmCalmCalmCalmCalmCalmCalmS3CalmCalmCalmW3N3NE3CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalmSW3CalmCalmCalmNW4CalmCalmCalmCalmCalmCalmCalmCalmCalmSE4CalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS3CalmN4CalmCalmCalmSW3CalmCalmCalmCalmCalmCalmE3

Tide / Current Tables for Reedsport, Umpqua River, Oregon
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Reedsport
Click for Map
Tue -- 12:19 AM PST     5.43 feet High Tide
Tue -- 05:30 AM PST     2.45 feet Low Tide
Tue -- 05:53 AM PST     Moonset
Tue -- 07:39 AM PST     Sunrise
Tue -- 11:27 AM PST     7.35 feet High Tide
Tue -- 03:56 PM PST     Moonrise
Tue -- 04:39 PM PST     Sunset
Tue -- 06:38 PM PST     -0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.45.34.73.932.52.53.14.25.46.67.37.36.65.33.72.10.8-0-0.10.51.73.14.4

Tide / Current Tables for Gardiner, Umpqua River, Oregon
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Gardiner
Click for Map
Tue -- 12:04 AM PST     5.43 feet High Tide
Tue -- 05:15 AM PST     2.45 feet Low Tide
Tue -- 05:53 AM PST     Moonset
Tue -- 07:39 AM PST     Sunrise
Tue -- 11:12 AM PST     7.35 feet High Tide
Tue -- 03:56 PM PST     Moonrise
Tue -- 04:39 PM PST     Sunset
Tue -- 06:23 PM PST     -0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.45.24.53.62.92.52.63.34.55.86.87.37.16.34.93.31.70.5-0.1-00.823.44.7

Weather Map
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wmap_P
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Medford, OR (5,6,7,8)
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Ground Weather Radar Station Medford, OR
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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 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.