Saturday, April29, 2017 L-36.com


Marine Weather and Tides
Willapa, WA

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 5:58AMSunset 8:25PM Saturday April 29, 2017 4:30 AM PDT (11:30 UTC) Moonrise 7:55AMMoonset 11:21PM Illumination 12% Phase: Waxing Crescent; Moon at 3 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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PZZ110 Grays harbor bar- 300 am pdt Sat apr 29 2017 combined seas 6 to 8 ft. Bar conditions moderate. Maximum ebb currents will occur around 715 am and 8 pm today. The morning ebb will be very strong. PZZ100 300 Am Pdt Sat Apr 29 2017
Synopsis for the northern and central washington coastal and inland waters..A front will bring increasing southerly winds to the coastal waters today and to the inland waters this evening. Westerly onshore winds will develop behind the front tonight...strongest in the central and eastern strait. Onshore flow Sunday will become generally light Monday through Wednesday.

7 Day Forecast for Marine Location Near Willapa, WA
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location: 46.68, -123.67     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 291014
afdpqr
area forecast discussion
national weather service portland or
313 am pdt Sat apr 29 2017

Synopsis An upper level ridge will produce dry weather over
southwest washington and northwest oregon most of today after a cool
start with patchy fog this morning. The next system will spread some
rain to the north coastal areas late today that will spread across
the area tonight, with decreasing showers on Sunday behind the main
front. Another weakening and splitting system will bring some small
chances of rain to the area Monday into Monday night. Higher pressure
will bring dry and mild weather to the area during the mid week
period, though a warm front might get close to brushing the far north
coast Tuesday or Wednesday. The next system may approach late
Thursday into Friday. More higher pressure is possible next weekend
but there is a bit of uncertainty.

Short term Today through Monday... An upper ridge that began
pushing into the pacific northwest late Friday and Friday night
continued to linger this morning, holding clouds a bit at bay early
this morning. Some patchy fog is possible this morning. Dewpoints are
high enough this morning that frost is looking unlikely. If any
forms, it will be very patchy.

Clouds from the next system are offshore and will eventually begin
spreading in today. Precipitation will arrive along the north coastal
area after 2 pm, and not reach much inland until the evening in the
north. The main period of rain will be tonight as the front moves
through. 850 mb winds of around 30 kt in combination with a decent
300 mb jet suggests rain will reach most of our forecast area
tonight. QPF along the coast and in the mountains could reach 0.5 to
0.75 inches, with a tenth to a quarter of an inch in the valleys.

Sunday will see some showers that will decrease through the day as
the low level flow turns more northerly. Snow levels in the cascades
will stay well above the passes, falling some on Sunday as the
precipitation decreases.

A bit of an upper ridge tries to build in Sunday night but it is
rather flat, of low amplitude. A weak system moves through the ridge
Monday but the models suggest this system will weaken with just some
low chances of any precipitation. Tolleson

Long term Monday night through Friday... The models say an upper
level ridge will build into the pacific northwest Monday night and
Tuesday and likely persist into the first part of Thursday. The main
uncertainty is whether the leading edge of a warm front might brush
the far north coast Tuesday into Wednesday as suggested by the ecmwf
but less so by the gfs. The models suggest some showers may push in
Thursday afternoon and evening, with possibly some instability near
the cascade crest. The models vary quite a bit after that so will
stick close to climo and keep partly cloudy skies and a slight chance
of showers in the forecast. Tolleson

Aviation High clouds have been slower to move in than previously
thought. Starting to think some shallow fog is possible, especially
in the central and south willamette valley. This would impact sle and
eug, but can't rule out some fog over near hio as well. Other sites
should remainVFR through this morning, including coastal sites. Will
see increasing high clouds this morning, with CIGS lowering this
afternoon along the coast with the approaching front. Expect MVFR
conditions along the coast this evening as the rain moves in, with
cigs dropping down to 1500 to 2500 ft. Inland, CIGS won't lower below
5000 ft until late this evening, with predominantly MVFR conditions
expected late tonight.

Kpdx and approaches...VFR conditions with light winds through the
period. -mccoy

Marine We will see a front move across the waters this afternoon,
bringing southerly winds up to small craft advisory criteria ahead of
frontal passage. High pressure builds back over the waters behind the
front for benign conditions through early next week. Seas generally
around 5 to 7 ft today through Sunday morning will build up to 8 to
10 ft by Sunday afternoon as a long area of 20 to 30 kt winds from a
low pressure system moving into british columbia generates fresh
swell moving into the waters. High pressure over the waters as that
system moves inland will help to bring seas back down early next
week.

Fairly benign conditions continue through midweek as ridging
dominates over the eastern pacific. Less confidence in the forecast
later next week as models diverge on the forecast. -mccoy

Pqr watches/warnings/advisories
Or... None.

Wa... None.

Pz... Small craft advisory for winds from 11 am this morning to 9 pm
pdt this evening for coastal waters from CAPE shoalwater
wa to cascade head or out 60 nm.

Small craft advisory for winds from 2 pm this afternoon to 1 am
pdt Sunday for coastal waters from cascade head or to
florence or out 60 nm.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TOKW1 - 9440910 - Toke Point, WA 16 mi49 min E 6 G 7 44°F 53°F1026.5 hPa
WPTW1 - 9441102 - Westport, WA 28 mi55 min SSE 5.1 G 6 45°F 52°F1026.2 hPa
ASTO3 - 9439040 - Astoria, OR 33 mi43 min SSE 1 G 1 43°F 52°F1025.9 hPa
46211 - Grays Harbor, WA (036) 33 mi39 min 52°F5 ft
46243 - Clatsop Spit, OR - 162 40 mi31 min 51°F5 ft

Wind History for Toke Point, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA26 mi38 minENE 38.00 miFair40°F39°F100%1026.4 hPa

Wind History from HQM (wind in knots)
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Last 24hrCalmCalmNW4W3W6W7W6W12W12W14W14W13W13W11NW8W8W5W3CalmCalmCalmCalmNE4NE3
1 day agoW8
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Tide / Current Tables for Willapa City, Willapa River, Washington
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Willapa City
Click for Map
Sat -- 04:29 AM PDT     11.24 feet High Tide
Sat -- 06:02 AM PDT     Sunrise
Sat -- 08:55 AM PDT     Moonrise
Sat -- 10:41 AM PDT     -2.30 feet Low Tide
Sat -- 05:45 PM PDT     9.47 feet High Tide
Sat -- 08:22 PM PDT     Sunset
Sat -- 10:48 PM PDT     1.84 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.36.78.710.311.111.19.673.70.6-1.7-2.2-0.91.53.96.189.29.48.46.44.22.41.9

Tide / Current Tables for South Bend, Willapa River, Willapa Bay, Washington
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South Bend
Click for Map
Sat -- 03:43 AM PDT     11.55 feet High Tide
Sat -- 06:03 AM PDT     Sunrise
Sat -- 08:55 AM PDT     Moonrise
Sat -- 10:22 AM PDT     -2.11 feet Low Tide
Sat -- 04:54 PM PDT     9.64 feet High Tide
Sat -- 08:22 PM PDT     Sunset
Sat -- 10:32 PM PDT     2.12 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.47.99.911.211.510.48.15.12.1-0.4-2-1.70.22.85.47.69.19.68.97.35.43.62.32.3

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Portland, OR (7,2,3,4)
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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 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.