Saturday, December7, 2019
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Marine Weather and Tides
Eugene, 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 7:31AMSunset 4:35PM Saturday December 7, 2019 2:27 PM PST (22:27 UTC) Moonrise 2:29PMMoonset 2:38AM Illumination 84% Phase: Waxing Gibbous; Moon at 11 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 Expires:201912080045;;983800 Fzus56 Kpqr 071044 Cwfpqr Coastal Waters Forecast National Weather Service Portland Or 244 Am Pst Sat Dec 7 2019 Coastal Waters From Cape Shoalwater Washington To Florence Oregon And Westward 60 Nm Pzz250-255-270-275-080045- Coastal Waters From Cape Shoalwater Wa To Cascade Head Or Out 10 Nm-coastal Waters From Cascade Head To Florence Or Out 10 Nm- Waters From Cape Shoalwater Wa To Cascade Head Or From 10 To 60 Nm-waters From Cascade Head To Florence Or From 10 To 60 Nm- 244 Am Pst Sat Dec 7 2019
.small craft advisory in effect until 10 am today...
Today..S wind 10 to 15 kt, easing to 10 kt. Wind waves S 1 ft at 4 seconds. SW swell 8 ft at 10 seconds. SEcondary swell nw 5 ft at 12 seconds. Rain at times.
Tonight..N to nw wind 10 kt. Wind waves nw 2 ft at 4 seconds. SW swell 7 ft at 11 seconds. SEcondary swell nw 4 ft at 12 seconds.
Sun..NW wind 5 to 10 kt. Wind waves nw 1 ft at 4 seconds. SW swell 6 ft at 10 seconds. SEcondary swell nw 4 ft at 7 seconds.
Sun night..NW wind to 5 kt, becoming E to se 10 kt after midnight. Wind waves nw 1 ft at 4 seconds, shifting to the E overnight. NW swell 6 ft at 14 seconds. SEcondary swell sw 5 ft at 9 seconds.
Mon..SE wind 10 kt. Wind waves E 1 ft at 4 seconds. NW swell 6 ft at 15 seconds. SEcondary swell sw 3 ft at 8 seconds.
Tue..S wind 15 to 20 kt. Wind waves 4 ft. W swell 11 ft.
Wed..S wind 15 to 20 kt. Wind waves 4 ft. W swell 10 ft.
PZZ200 244 Am Pst Sat Dec 7 2019
Synopsis for the southern washington and northern oregon coast.. A broad area of low pressure over the coastal waters today, with main low moving inland over northern california. High pres will build over the offshore waters tonight and Sunday. This high will shift inland over the pac nw early next week. NExt low will approach the region later next week, with increasing seas and winds.


7 Day Forecast for Marine Location Near Eugene, OR
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location: 44.06, -123.17     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 072204 CCA AFDPQR

Area Forecast Discussion . CORRECTION National Weather Service Portland OR 204 PM PST Sat Dec 7 2019

SYNOPSIS. An upper level low pressure approaching California will produce periods of light rain across the area today into tonight before drier weather and valley fog return Sunday into at least early Tuesday.

SHORT TERM. Today through Monday . Water vapor satellite imagery this morning depicts a shortwave trough sagging southeastward across the Pacific Northwest. The main closed low pressure associated with this shortwave trough is currently approaching the northern California coast. A secondary wave is dropping southeastward along the British Columbia coastline and will be main mechanism that will help to push the current wet weather southeast of the area later tonight and Sunday.

In the immediate short term, an area of mid level deformation is setting up across our northwestern zones, generally along a line extending between Newport and the southwest Washington Cascades. This will likely continue to provide a focus for light, but steady rain into this afternoon across this region. Models are in general agreement this area of mid level deformation will weaken as it slowly sags southeastward across the area late this afternoon into this evening. As a result, the inherited PoP forecast of rain chances decreasing from northwest to southeast tonight into Sunday morning looks on track.

In addition, temperatures have been hovering right around freezing in the upper Hood River valley this morning, albeit mainly just on the warm side of the freezing mark. Based on public and ODOT reports, went ahead and canceled the Winter Weather Advisory given no freezing rain impacts were observed to this point and temperatures should only moderate further today.

Otherwise, a sharp and highly amplified shortwave ridge will build northward across the eastern Pacific late Sunday before shifting eastward across the area Monday. This will likely produce strong inversions and enable plenty of valley fog and low clouds to develop. Given the weak surface winds expected, thinking some areas of the Willamette and lower Columbia River valleys may not clear and high temperatures could struggle to reach the low to mid 40s. As a result, have held Monday high temperatures a bit below most model guidance.

The next weakening front still looks on track to bring a good chance for some light rain to the area Tuesday, particularly for our coastal zones. /Neuman

LONG TERM. Tuesday night through Saturday . Another active pattern is in store as another broad low advances towards the area from the Gulf of Alaska later next week. Before that low reaches the area, a shortwave trough and associated front will move over northwest Oregon/southwest Washington Tue night. The front will cause a southerly wind shift which will bring warmer air up from the south keeping temperatures in the 40s to 50s with overcast skies. Precipitation, mainly as rain, will fall Wed afternoon into the evening with increased chances along the coast. Thur will be the brief lull between this frontal passage and the onset of the broad low. At this time, there is a lack of model consistency in the low position and intensity. While all models are depicting a fairly energetic system, models have struggled to create a well defined low center and there is a wide output spread between models and their different runs;thus after Thur, there is less confidence. /Muessle

AVIATION. An upper level trough slowly sagging southeastward across the area today and tonight will produce periods of light rain. Given pressure gradients will continue to weaken across the area, winds should decrease later today and tonight across the entire CWA. This will set the stage for a lot of MVFR, IFR and LIFR flight conditions through 18z Sunday across the entire CWA. There should be some improvement to predominantly a mix of MVFR and VFR flight conditions between 18z Sunday and 00z Monday, but confidence in timing this out at this point is low. /Neuman

KPDX AND APPROACHES . Occasional light rain and decreasing east winds should result in a mixture of MVFR and IFR conditions tonight. Expect these flight restrictions to continue through at least 18z Sunday. It should be noted that any clearing of MVFR and VFR ceilings overnight will result in IFR and/or LIFR conditions developing quickly. There should be some improvement to MVFR and VFR flight conditions between 18z Sunday and 00z Monday, but confidence in timing this out at this point is low. /Neuman

MARINE. Broad low pressure in the Pacific is beginning to erode as the associated front pushes inland Saturday. Seas are subsiding from near 10 ft to 6 to 8 ft through Sun. A weak high pressure ridge will build in behind the low on Sun night through Mon which will keep seas near 7 ft with a northwest swell of 6 ft 13 seconds through Wed. The next major system will start advancing towards the waters mid week. A shortwave trough and associated front will move over the waters causing gusty southerly winds to 30 kt. Seas will start to build Wed night to near 13 ft with a 10 to 12 ft westerly swell. A large low, stemming from the Gulf of Alaska, will approach the waters Wed night. At this point, seas could build up to 16 ft or so, but there is some uncertainty in the models so went a bit more reserved with conditions. /Muessle

PQR WATCHES/WARNINGS/ADVISORIES. OR . Air Stagnation Advisory until noon PST Tuesday for Cascade Foothills in Lane County-Central Willamette Valley-Greater Portland Metro Area-Lower Columbia-Northern Oregon Cascade Foothills-South Willamette Valley.

WA . Air Stagnation Advisory until noon PST Tuesday for Greater Vancouver Area-I-5 Corridor in Cowlitz County-South Washington Cascade Foothills.

PZ . None.



Interact with us via social media: www.facebook.com/NWSPortland www.twitter.com/NWSPortland

This discussion is for Northwest Oregon and Southwest Washington from the Cascade crest to 60 nautical miles offshore. This area is commonly referred to as the forecast area.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBEO3 - 9435380 - South Beach, OR 61 mi57 min S 6 G 9.9 51°F 48°F1005 hPa
NWPO3 - Newport, OR 61 mi27 min S 11 G 12 51°F 1005.1 hPa (-1.2)
46229 - UMPQUA OFFSHORE, OR (139) 76 mi27 min 52°F8 ft

Wind History for South Beach, Yaquina River, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Eugene, Mahlon Sweet Field, OR5 mi33 minNNE 34.00 miFog/Mist47°F45°F93%1006 hPa

Link to 5 minute data for KEUG

Wind History from EUG (wind in knots)
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Last 24hrN5CalmCalmCalmCalmSW3CalmNW6N4CalmSE4CalmCalmCalmN4N3CalmCalmN3N3Calm4N3N3
1 day agoN5NW3NW3CalmCalmCalmCalmSW3CalmSE3SW3CalmCalmCalmCalmNW3CalmCalmCalmCalmNW3NE3N4N4
2 days agoNW4N4NW3CalmS3S4S3S4SW5W4CalmNW3CalmCalmCalmSW4NE4CalmNW3N4N4CalmCalmNE6

Tide / Current Tables for Florence, Siuslaw River, Oregon
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Florence
Click for Map
Sat -- 02:42 AM PST     Moonset
Sat -- 02:59 AM PST     1.89 feet Low Tide
Sat -- 07:37 AM PST     Sunrise
Sat -- 09:24 AM PST     6.44 feet High Tide
Sat -- 02:32 PM PST     Moonrise
Sat -- 04:19 PM PST     1.29 feet Low Tide
Sat -- 04:38 PM PST     Sunset
Sat -- 10:12 PM PST     4.88 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.42.72.11.92.12.83.955.96.46.35.84.83.72.61.71.31.422.93.84.54.94.7

Tide / Current Tables for Entrance, Siuslaw River, Oregon
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Entrance
Click for Map
Sat -- 02:04 AM PST     2.28 feet Low Tide
Sat -- 02:42 AM PST     Moonset
Sat -- 07:37 AM PST     Sunrise
Sat -- 08:34 AM PST     7.19 feet High Tide
Sat -- 02:32 PM PST     Moonrise
Sat -- 03:24 PM PST     1.56 feet Low Tide
Sat -- 04:38 PM PST     Sunset
Sat -- 09:22 PM PST     5.45 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.22.62.32.53.24.35.56.57.17.16.65.64.33.12.11.61.72.23.24.255.45.44.9

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 Portland, OR (17,4,5,8)
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Ground Weather Radar Station Portland, OR
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