Thursday, April2, 2020
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Marine Weather and Tides
Newport, OR

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:48AMSunset 7:43PM Thursday April 2, 2020 11:45 AM PDT (18:45 UTC) Moonrise 12:10PMMoonset 3:02AM Illumination 72% Phase: Waxing Gibbous; Moon at 10 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 Cascade Head To Florence Or Out 10 Nm- Waters From Cascade Head To Florence Or From 10 To 60 Nm- 233 Am Pdt Thu Apr 2 2020
Today..N wind 10 kt. Wind waves N 2 ft at 4 seconds. NW swell 6 ft at 9 seconds.
Tonight..NW wind 10 kt. Wind waves nw 2 ft at 4 seconds. NW swell 4 ft at 9 seconds.
Fri..N wind 10 kt. Wind waves N 1 ft at 4 seconds. W swell 3 ft at 9 seconds.
Fri night..N wind to 5 kt, veering to ne to 10 kt. Wind waves N at 4 seconds. W swell 3 ft at 8 seconds.
Sat..NE wind 10 kt. Wind waves ne 2 ft at 4 seconds. W swell 4 ft at 7 seconds.
Sun..N wind 10 kt. Wind waves 2 ft. W swell 6 ft.
Mon..N wind 10 to 15 kt. Wind waves 3 ft. NW swell 6 ft.
PZZ200 233 Am Pdt Thu Apr 2 2020
Synopsis for the southern washington and northern oregon coast.. High pres will remain offshore through this weekend, with thermal low pres over nw california. This will maintain northerly winds through that time.


7 Day Forecast for Marine Location Near Newport, OR
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location: 44.62, -124.06     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 021754 AAB AFDPQR

Area Forecast Discussion . UPDATED National Weather Service Portland OR 1054 AM PDT Thu Apr 2 2020

Updated Aviation Discussion

SYNOPSIS. A cool and unsettled pattern continues Thursday as a trough of low pressure moves across the area. Friday and Saturday bring decreased shower chances as the storm track passes by the region to the west and south, however, there may be very light snow accumulations at low elevations. Dry weather may return early next week, but it's far from certain.

SHORT TERM. Today through Saturday . Minor updates this morning mainly revolve around potential for very light snow accumulations tonight and early Friday across the lower interior elevations. A slightly cooler air mass will drop south to over the CWA tonight following the short wave bringing an increase to showers activity today. Primary snow level will fall to around 500 feet under a 1200 foot freezing level. Valley temperatures tonight will locally reach the lower 30s with the mid 30s possible across the Portland Metro. Showers will diminish this evening as the short waves continues moving southeast of the region, however the next short wave in the train will start spreading very light QPF across the northern CWA tier by daybreak Friday. Certainly do not see any significant snow amounts with just a couple hundredths of liquid equivalent here or there. The key phrase for elevations below 1000 feet will be "Little or no snow accumulation," however, across the north, just about anybody near sea level could see snow flakes in the air Friday morning. Updates should be available by text and on the web. /JBonk

Previous discussion from 315 AM: Showers have been few and far between overnight as an upper shortwave trough departs to the southeast. However more showers are on the way today with the next upper short wave. Cloud top temperatures off the WA coast around -10C which is about 8000 ft in this environment. Showers will increase during the morning and continue into the afternoon, then wane this evening as the shortwave departs. Will likely have snow down to the 2000-2500 ft level with 1-2 inches accumulation for today and tonight. Cooler air mass follows overnight with 850 mb temperatures down to -6C to -7C late tonight. Snow levels will drop to near 500-1000 ft but moisture appears to be limited with the approach of the next shortwave. Still though, may see some wet snow flakes Friday early morning. Almost a repeat of today, showers will increase through the day Friday, then wane in the evening.

The upper pattern begins to change a little on Saturday as a stronger upper trough arriving from the north Pacific will begin carve out a deeper trough off the west coast. Saturday should be generally dry though especially in the northern zones, but light precipitation will probably reach the southern tier of the CWA as the upper trough slides into northern CA. /mh

LONG TERM. Saturday night through Thursday . Complex upper pattern continues to evolve through the weekend. Deterministic GFS and ECMWF in decent agreement showing a longwave upper trough deepening of the west coast as additional shortwave energy to track south off the coast before moving inland to the south, most likely across California. The presence of the longwave trough suggests at least some chance of showers persists through the weekend, but probably the better chance for showers comes late in the weekend as models open up a southerly flow aloft allowing better moisture to spread north. While models have continued to struggle with the general pattern late in the period, there is a trend in the models early next week, suggesting ridging potentially building in, lessening the chances for showers again Monday and Tuesday. Deterministic GFS and ECMWF from 00Z in some agreement with dry weather as split flow over the region or light onshore flow. However 00Z ECMWF ensemble members are show potential for a wetter pattern developing Wednesday and Thursday. /mh

AVIATION. Cool northwesterly flow aloft will continue today. A weak disturbance will continue to move across the region this afternoon resulting in a mix of MVFR and VFR with isolated showers. Showers will gradually decrease late this afternoon with mainly VFR conditions late this afternoon and tonight. Another weak disturbance will move across the region late tonight into Friday morning and could bring occasional light showers or drizzle after midnight along the coast and after sunrise inland, with patchy MVFR possible.

PDX AND APPROACHES . Will continue to see a mix of MVFR and VFR this afternoon with isolated showers. Showers gradually decreasing late this afternoon, with VFR conditions. We could see some light showers or drizzle after 12Z Friday, with occasional MVFR possible.

MARINE. Not much in way of changes. North to northwesterly winds 15 kt or less will continue for next few days. Seas mostly in the 6 to 7 ft range this am, but these will drop back to 5 to 6 ft this afternoon and tonight.

Not much change in the pattern through this weekend, as higher pressure sits offshore, with weak thermal low pressure over northwest California. This will maintain northerly winds to 10 to 15 kt. Seas stay in the 4 to 6 ft range.

PQR WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None. 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 nm 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 1 mi237 min E 5.1 G 6 40°F 50°F1023.9 hPa
NWPO3 - Newport, OR 1 mi225 min E 1.9 G 2.9 39°F
46050 - STONEWALL BANKS - 20NM West of Newport, OR 24 mi215 min NNW 5.8 G 7.8 46°F 49°F1023.7 hPa33°F

Wind History for South Beach, Yaquina River, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newport, Newport Municipal Airport, OR3 mi50 minN 010.00 miMostly Cloudy45°F41°F87%0 hPa

Link to 5 minute data for KONP

Wind History from ONP (wind in knots)
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Last 24hrS9W8CalmW4W7NW11NW9N7N6NE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoW9
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Tide / Current Tables for Southbeach, Yaquina Bay and River, 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 Toledo, Yaquina Bay and River, Oregon
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Toledo
Click for Map
Thu -- 02:14 AM PDT     3.32 feet Low Tide
Thu -- 04:00 AM PDT     Moonset
Thu -- 06:53 AM PDT     Sunrise
Thu -- 07:58 AM PDT     6.95 feet High Tide
Thu -- 01:10 PM PDT     Moonrise
Thu -- 03:41 PM PDT     0.18 feet Low Tide
Thu -- 07:45 PM PDT     Sunset
Thu -- 10:34 PM PDT     5.87 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.33.73.33.444.95.96.776.764.83.52.110.30.20.71.734.35.25.85.8

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 (14,3,4,5)
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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 numerous 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.