Saturday, April21, 2018 L-36.com


Marine Weather and Tides
Raymond, WA

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:12AMSunset 8:14PM Saturday April 21, 2018 2:46 AM PDT (09:46 UTC) Moonrise 9:54AMMoonset 12:36AM Illumination 35% Phase: Waxing Crescent; Moon at 6 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- 156 Am Pdt Sat Apr 21 2018
.small craft advisory for rough bar in effect through this afternoon... Combined seas 9 to 11 ft today, easing to 7 to 9 ft tonight. Bar conditions rough, becoming moderate tonight. Maximum ebb currents will occur 900 am this morning and 1000 pm on this evening.
PZZ100 156 Am Pdt Sat Apr 21 2018
Synopsis for the northern and central washington coastal and inland waters..A short period of strong onshore flow is expected early this morning in the wake of a cold front. High pressure will build into the region over the weekend. Thermal low pressure will set up along the oregon coast Monday and Tuesday as an upper ridge shifts over the pacific northwest.

7 Day Forecast for Marine Location Near Raymond, WA
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location: 46.68, -123.76     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 210424 aaa
afdpqr
area forecast discussion... Updated
national weather service portland or
924 pm pdt Fri apr 20 2018
updated aviation and marine discussions

Synopsis Dry and mild weather today before a cold front spreads
light rain and cascade snow across the region tonight. Some
showers may linger over the cascades Saturday morning, but otherwise
the day will be dry, but cool. Dry weather continues Sunday into next
week. Temperatures are expected to warm well into the 70s next week
as a thermal trough settles over NW oregon and offshore flow
develops.

Short term This afternoon through Tuesday... Dry and mild weather
continues today with increasing high clouds ahead of an approaching
front. A warm front brushes by to the north this afternoon with
little impact to the weather. Radar shows some echoes moving inland
this afternoon with the front, but surface observations and webcams
confirm that precip is not reaching the ground at this point.

However, the cold front will produce light rain along the coast this
evening, moving inland late tonight. Snow levels will be around 5000
feet for the south washington cascades and 7000 feet for the
cascades of lane county when the precipitation arrives tonight. The
snow levels then lower to 3500-4500 feet Saturday morning as light
showers linger over the cascades. The highest forecast rainfall
amounts this afternoon through Saturday afternoon are around 0.20
inches along the north coast, the willapa hills, and the south
washington cascades. In other words, rain will be light. The
willamette valley, especially south of salem, is not expected to see
much rain at all (0.01-0.05 inch). The cascades can expect a few
inches of new snow with no expected impacts for the cascade passes.

A few showers will linger over the the cascades and across extreme sw
washington Saturday morning, but most areas west of the cascades will
remain dry Saturday. Cool and cloudy conditions with onshore flow are
expected Saturday in the wake of a cold front. Dry weather continues
Sunday with surface high pressure building over the area. A shortwave
upper trough may keep some clouds around and somewhat limit heating
Sunday, but the afternoon temperatures will still peak slightly above
the seasonal normals.

A sharp upper ridge moves over the pacific NW Sunday night through
Tuesday, continuing dry weather. A thermal trough develops along the
coast Sunday night and persists through Tuesday for offshore flow and
a warming trend. Models continue to warm from run to run, and 80
degrees now seems likely in the valley by Tuesday. Bowen

Long term Tuesday night through Friday... Models continue their
agreement in showing continued high pressure and dry, warm conditions
through much of next week. Have warmed the forecast further Wednesday
and Thursday, reflecting guidance trends.

Models have even come into general agreement on the track of an upper
low which moves south off the west coast through midweek. This low
looks likely to be the source of the next rain chances in the long
term period as it tracks back north late in the week and sweeps a
trough across western oregon starting Friday. As it passes, it's
likely to force some shower development, with both the GFS and ecmwf
indicating precipitation accumulation starting Friday. Have kept
slight chance pops Friday, although will need to up them if model
solution remain consistent in the coming days. With the upper low
tracking from the south, the environment should be warm with snow
levels well above the cascade passes, i.E. Rain for the cascades.

Bowen

Aviation 06z TAF package: have slowed down the overall
arrival of the cold front by a few hours per amendments so far
this evening. Expect a few hour period of MVFR CIGS with the
front mainly along the coast. MVFR CIGS may hang on toward 18z,
but should dissipate fairly quickly thereafter. Inland, it
appears CIGS will remainVFR as the cold front shears apart. If
anything, CIGS may briefly fall to 020-030 with the immediate
frontal passage. Northerly flow develops after 18z and then may
take a weak offshore component. Should see mainly high clouds
thereafter but with a little bit of fair weather CU building over
the terrain through 22 03z.

Kpdx and approaches...VFR continues through tonight under
increasing mid and high clouds. Light rain, with possibly brief
MVFR CIGS during the frontal passage 08-10z. ExpectVFR conds
thereafter. Jbonk

Marine Only made minimal changes to this evening. Main changes
were to refine the timing of the advisories (especially for the
central oregon coastal waters) to narrower windows based on a
slight slowing of the front and with model data currently
running about 1 foot above current buoy obs. Jbonk
previous discussion follows: a front moving eastward across the
waters tonight will bring small craft advisory level wind gusts
of 25 to 30 kt to the waters. Expect the strongest winds across
the northern waters. Seas will climb into the 9 to 12 ft range by
early Saturday before subsiding Saturday afternoon.

Thermal low pressure over northern california will build
northward along the oregon coast over the weekend. This will
allow a summer-like northerly wind pattern to develop over the
weekend. Winds may turn offshore for a day or two early next week
with gusty winds of 20 to 25 kt possible across the waters
adjacent to the coastal gaps. Surface high pressure looks to
return to the northeast pacific towards the middle of next week,
which should result in winds turning lighter with seas remaining
under 10 ft. Neuman

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Small craft advisory for winds until 11 am pdt Saturday for
coastal waters from CAPE shoalwater wa to cascade head or
out 60 nm.

Small craft advisory for hazardous seas from midnight tonight
to 5 pm pdt Saturday for coastal waters from cape
shoalwater wa to cascade head or out 60 nm.

Small craft advisory for winds until 5 am pdt Saturday for
coastal waters from cascade head or to florence or out 60
nm.

Small craft advisory for hazardous seas from midnight tonight
to 1 pm pdt Saturday for coastal waters from cascade head
or to florence or out 60 nm.

Small craft advisory for rough columbia river bar until 11 pm
pdt this evening.

Small craft advisory for rough columbia river bar from 5 am to
2 pm pdt Saturday.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TOKW1 - 9440910 - Toke Point, WA 11 mi46 min W 16 G 19 49°F 51°F1024.2 hPa (+2.0)
WPTW1 - 9441102 - Westport, WA 24 mi70 min W 20 G 23 48°F 51°F1023.5 hPa
46211 - Grays Harbor, WA (036) 28 mi46 min 51°F9 ft
ASTO3 - 9439040 - Astoria, OR 33 mi46 min NNW 1.9 G 6 49°F 50°F1024.6 hPa (+1.9)
46243 - Clatsop Spit, OR - 162 38 mi46 min 50°F8 ft
46099 48 mi116 min W 16 49°F 51°F1021.6 hPa

Wind History for Toke Point, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA24 mi53 minWSW 13 G 219.00 miOvercast49°F42°F77%1023.7 hPa

Wind History from HQM (wind in knots)
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Last 24hrCalmNE4CalmNE3NE3E7E4E3CalmS3SW11W6SW5SW10SW9SW7S6SE7E8SE5S14S15SW15W13
G21
1 day agoCalmN3CalmNE3NE3CalmE5E3S4S8W11W12W12W11W13W14W8W6W5CalmSW4W3W3Calm
2 days agoNE5NE6NE5NE7CalmNE5E10NE10NE9E4--E7W11W12W9W11W8NW6NW4CalmCalmCalmCalmNE4

Tide / Current Tables for Raymond, Willapa River, Willapa Bay, Washington
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Raymond
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Sat -- 01:35 AM PDT     Moonset
Sat -- 05:37 AM PDT     10.25 feet High Tide
Sat -- 06:16 AM PDT     Sunrise
Sat -- 10:54 AM PDT     Moonrise
Sat -- 12:35 PM PDT     -0.49 feet Low Tide
Sat -- 07:24 PM PDT     8.15 feet High Tide
Sat -- 08:11 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.34.15.77.69.110.110.29.37.55.22.90.9-0.3-0.40.62.34.267.48.187.15.94.6

Tide / Current Tables for Palix River, south fork, Willapa Bay, Washington
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Palix River
Click for Map
Sat -- 01:35 AM PDT     Moonset
Sat -- 05:33 AM PDT     9.21 feet High Tide
Sat -- 06:17 AM PDT     Sunrise
Sat -- 10:55 AM PDT     Moonrise
Sat -- 12:46 PM PDT     -0.56 feet Low Tide
Sat -- 07:14 PM PDT     7.55 feet High Tide
Sat -- 08:12 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.63.45.37.18.49.19.18.46.94.92.81.1-0.2-0.50.52.44.25.76.97.57.36.45.24.2

Weather Map and Satellite Images
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GOES 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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Wind Forecast for Portland, OR (5,6,7,8)
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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.