Wednesday, December11, 2019
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Marine Weather and Tides
Port Orford, 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 7:37AMSunset 4:42PM Wednesday December 11, 2019 9:03 AM PST (17:03 UTC) Moonrise 4:40PMMoonset 6:59AM Illumination 100% Phase: Full Moon; Moon at 15 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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PZZ356 Coastal Waters From Cape Blanco Or To Pt. St. George Ca Out 10 Nm- 840 Am Pst Wed Dec 11 2019
.gale warning in effect from 1 pm pst this afternoon through late tonight...
Today..Northern portion, S wind 20 to 25 kt...rising to 30 kt late afternoon. Brookings southward, S wind 10 to 20 kt. Wind waves 3 to 5 ft...building to 4 to 7 ft in the afternoon. W swell 7 to 8 ft at 14 seconds. Chance of showers in the morning, then rain in the afternoon.
Tonight..S wind 20 to 25 kt...easing to 15 to 20 kt early in the morning. Within 5 nm of brookings southward, S wind 10 to 20 kt. Wind waves 6 to 9 ft. W swell 8 ft at 16 seconds... Building to 10 ft at 15 seconds after midnight. Rain.
Thu..S wind 15 to 20 kt northern portion and S 10 to 15 kt brookings southward. Wind waves 3 to 5 ft. W swell 13 to 15 ft at 17 seconds. Rain.
Thu night..SW wind 5 to 10 kt. Wind waves 3 ft in the evening... Becoming 2 ft or less. W swell 15 ft. Rain in the evening, then showers after midnight.
Fri..S wind 5 kt in the morning...becoming variable less than 5 kt. Wind waves 2 ft or less. W swell 15 to 16 ft. Showers likely.
Fri night..N wind 5 kt...veering to ne after midnight. Wind waves 2 ft or less. W swell 13 to 15 ft. Chance of showers.
Sat..SE wind 5 kt...becoming S 15 kt in the afternoon, then... Veering to sw in the evening... Veering to nw after midnight. Wind waves 2 ft or less... Becoming 3 ft after midnight. W swell 11 to 13 ft.
Sun..SW wind 5 kt...backing to se after midnight. Wind waves 4 ft in the morning...becoming 2 ft or less. W swell 12 ft.
PZZ300 840 Am Pst Wed Dec 11 2019
Synopsis for the southern oregon coastal waters..A cold front will move through the waters today. This front will bring south gales and very steep and hazardous seas. Winds diminish Thursday morning, but a high and steep long period west swell builds in late tonight into Thursday. Seas remain elevated and become swell dominated as a heavy west swell lingers through Friday. Seas remain steep but gradually diminish Saturday into Monday. Meanwhile, active weather with periods of moderate to heavy rain will continue through the weekend.


7 Day Forecast for Marine Location Near Port Orford, OR
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location: 42.74, -124.5     debug


Area Discussion for - Medford, OR
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FXUS66 KMFR 111100 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 300 AM PST Wed Dec 11 2019

DISCUSSION. 11/00Z NAM/GFS/EC in.

A snow band is exiting to the east of the area at this time with good clearing in its wake. Snow levels look to be 4000-4500 feet. With the clearing, areas of low clouds and fog may develop over the valleys later this morning, but there is another band of high clouds overspreading the area from the west, and this may retard the spread of lower conditions.

The northern hemispheric pattern shows a wave number of 4 to 5 around the globe, which usually is a progressive pattern. That will be the case here. A very high amplitude ridge now over the intermountain states is breaking down as it moves east.

The upstream long wave trough is sending short waves onshore, and one such wave supported the aforementioned snow band. A short wave ridge immediately following is bringing the band of clearing in its wake. Some showers will persist into the late morning hours Wednesday, mostly over higher terrain.

Brisk quasi-zonal upper level flow will develop today and persist through Friday with the jet stream pretty much focused on the Medford CWA. This will support weak to moderate quick-moving systems moving onshore in rapid succession. The next front will move in this afternoon. Short waves embedded in the zonal flow will parade onshore, and this will support wave development on the frontal boundary that will cause it to oscillate over the area into Friday.

Tonight and Thursday looks to be a very wet over the Medford CWA, especially in the Coast Range. Storm total precipitation amounts tonight through Friday morning will be 1-3 inches along the coast and in the Coast Range as well as in the Cascades. Other inland areas will see 0.5-1.5 inches of precipitation. Snow levels will be high, generally above 6000 feet through Thursday.

Rivers will rise quite a bit, but given the antecedent low stage levels, they should remain well below flood stage. Some small stream flooding may occur though.

Winds will also be a factor, especially on Thursday. Gusty south to southwest winds will be strongest over the mountains, but gusts to around 40 mph are expected into the southern Shasta Valley Thursday afternoon and in the Summer Lake area Thursday afternoon and evening.

Thicknesses will fall Thursday night into Friday and snow levels will gradually lower to 4000 to 5000 feet. With continued showers during this period, moderate snow may occur on higher passes in the Southern Oregon Cascades, mainly in the Diamond Lake and Crater Lake areas, and over the Siskiyous and Coast Range from south central Siskiyou county northwest into the Kalmiopsis.

Long term discussion from the Tuesday afternoon AFD . Fri 13 Dec through Tue 17 Dec 2019 . A fast zonal jet stream (160-180kt at 300 mb) is expected to be aimed at Oregon late this week (Friday). This will keep a steady parade of disturbances from the Pacific into the area through the first half of the weekend. None of these systems will be particularly strong, so winds should be held in check and precipitation amounts should be fairly light. One system will pass to our south Friday morning with westerly onshore flow keeping showers going in many areas, especially along the coast and in higher terrain areas that are favored in such flow regimes (Cascades). While snow levels will fall on Friday down to 4000-5000 feet, snow impacts should be minimal with additional accumulations of only 1-4 inches above 5000 feet.

A brief break between systems is possible Friday night into Saturday morning, but as the core of the jet shifts to the east-southeast into the nation's mid-section, another upper level disturbance will arrive at the coast and move onshore Saturday. This will result in increasing chances for rain/snow Saturday afternoon into Saturday evening. Snow levels will continue to lower to around 3500 feet, but precipitation amounts should be light. Another 1-3 inches of snow is possible for the mountains and some snow may affect Siskiyou/Black Butte Summits Saturday evening.

Colder air will continue to move in behind this system and snow levels will drop to around or just above the lower passes (2500- 3000 feet) by Sunday morning, but model guidance is indicating that precipitation will be largely ending by then with no impacts for the lower elevations. Some showers could linger in NW sections of the CWA Sunday, but most will remain to the north.

Heading into next week, models are showing a brief period of ridging before another disturbance arrives by around Tuesday. -Spilde

AVIATION. For the 11/06Z TAFs . A weakening front is bringing light rain and snow west of the Cascades this evening with freezing levels at 5500 to 7000 ft MSL. This is bringing mainly VFR ceilings across the area, though with areas of MVFR and mountain obscuration.

Precipitation will become spottier behind the front late tonight, but IFR/LIFR will likely return to many of the inland valleys and persist into Wednesday morning. Another front will mix out the lower conditions by Wednesday afternoon with light rain along returning to the coast and areas west of the Cascades. This will again result in a mix of mainly MVFR and VFR ceilings. The precipitation will spread east of the Cascades Wednesday evening with freezing levels rising to around 8000 ft MSL. -DW

MARINE. Updated 130 AM PST Wednesday, 11 December 2019 . The next front in the series is expected today and will be stronger than the previous, bringing gale force winds and steep to very steep wind driven seas. Gales will primarily impact areas from Cape Blanco northward but very steep seas and gusty winds will impact some areas south of Cape Blanco. Winds diminish late tonight into Thursday, however, seas will remain elevated with a high and steep long period west swell building in during this time. Swell dominated seas of about 15-17 feet at 17 seconds will impact the coastal waters from Thursday morning into Friday evening, likely impacting bar crossings and crab pots. Seas will remain steep, but gradually lower Saturday into Monday. Also, active weather will continue through the weekend with periods of moderate to heavy rain. /BR-y

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 until 7 PM PST Friday for PZZ356-376. Gale Warning from 1 PM Wednesday to 4 AM PST Thursday for PZZ350-356-370-376. Small Craft Advisory until 1 PM PST Wednesday for PZZ350-370. Small Craft Advisory from 4 AM Thursday to 7 PM PST Friday for PZZ350-370.

15/15/03


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PORO3 - 9431647 - Port Orford, OR 0 mi45 min SSE 21 G 24 54°F 52°F1020 hPa
46128 38 mi63 min 50°F 52°F
CHAO3 - 9432780 - Charleston, OR 43 mi87 min ESE 1.9 G 7 50°F1017.7 hPa

Wind History for Port Orford, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brookings, Brookings Airport, OR47 mi67 minESE 310.00 miOvercast50°F48°F93%1019.6 hPa

Link to 5 minute data for KBOK

Wind History from BOK (wind in knots)
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Last 24hrCalm35E5444SE5654Calm4E34SE5SE7SE8SE10SE8SE5SE4E3SE3
1 day agoCalmCalmS4SE5S33CalmCalmCalmCalmE34E3CalmSE8CalmCalmE5E7Calm3Calm4E3
2 days agoCalmCalmSE3CalmCalmS5W4CalmCalmNE3NE3E3CalmE4CalmCalmCalmCalmCalmCalmNE4NE3CalmCalm

Tide / Current Tables for Port Orford, Pacific Ocean, 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 Wedderburn, Rogue River, Oregon
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Wedderburn
Click for Map
Wed -- 04:32 AM PST     2.86 feet Low Tide
Wed -- 06:57 AM PST     Moonset
Wed -- 07:36 AM PST     Sunrise
Wed -- 10:24 AM PST     7.39 feet High Tide
Wed -- 04:40 PM PST     Moonrise
Wed -- 04:44 PM PST     Sunset
Wed -- 05:37 PM PST     -0.57 feet Low Tide
Wed -- 09:14 PM PST     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.44.94.23.42.92.93.54.55.66.77.37.36.55.23.51.80.4-0.4-0.50.21.42.94.35.3

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Medford, OR (12,3,4,5)
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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.