Thursday, August17, 2017 L-36.com


Marine Weather and Tides
Westport, WA

Version 3.4
What's New / NOTES
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.
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.

Sunrise 6:15AMSunset 8:22PM Thursday August 17, 2017 4:29 AM PDT (11:29 UTC) Moonrise 12:49AMMoonset 4:18PM Illumination 23% Phase: Waning Crescent; Moon at 25 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- 246 am pdt Thu aug 17 2017 combined seas 4 to 6 ft. Bar conditions light. Maximum ebb currents will occur around 130 pm today and 2 am Friday. The early morning Friday ebb will be strong. PZZ100 246 Am Pdt Thu Aug 17 2017
Synopsis for the northern and central washington coastal and inland waters..Onshore flow of varying strength will continue through early next week due to persistent high pres offshore with lower pres east of the cascades.

7 Day Forecast for Marine Location Near Westport, WA
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location: 46.91, -124.11     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 171042
afdsew
area forecast discussion
national weather service seattle wa
340 am pdt Thu aug 17 2017

Synopsis An upper level ridge moving over the pacific northwest
coupled with low level onshore flow will maintain seasonable summer
weather with areas of morning clouds today and Friday. A weak upper
level trough is expected to bring some cooling and possibly some
drizzle late Friday into Saturday morning. Another upper level ridge
will rebuild over the region Sunday through Tuesday for a bit warmer
conditions.

Short term Plenty of marine stratus over W wa this morning
and while a fair amount of it will burn off by late morning... Might
see some patches of cloud linger over the sound area... The sw
interior and along the coast into the late afternoon before skies
clear. Inherited some fog wording along the coast for this early
morning... And given the situation it certainly seems warranted... But
current temp dewpoint gap might be suggesting this may not arise.

Will leave in forecast as there will be a few more hours of cooling
which may close said gap.

An upper level ridge will cross over the area today with continued
dry conditions expected. 500mb heights do not look to increase all
that much... And combined with lingering clouds... This should make
for little change in daytime high temps today. A decaying frontal
system will pass to the north of the area Friday and models still
suggest the southernmost part of said decaying front may just nick
the far NW tip of the olympic peninsula... Resulting in slight chance
pops there. Upper level troughiness lingers into Saturday but this
feature continues to have little impact on both temps and pops... As
conditions will remain seasonable and dry. Smr

Long term An upper level ridge building over the pacific waters
will start to flex its muscles over W wa starting Sunday as 500mb
heights increase... Signaling some warming. This ridge will pass
overhead Monday... With ECMWF increasing the amplitude of its
solution to match better with the gfs... So overall looks like
eclipse day should see mostly clear skies. While the ridge axis
passes over the cascades Tuesday... Temps end up peaking Tuesday
afternoon before an upper level trough... And cooling
temperatures... Enter the area for Wednesday. Smr

Aviation Northwesterly flow aloft will become westerly this
morning. Low level onshore flow continuing into Friday. Stratus
along the coast and from just south of kpae early this morning with
ceilings mostly in the 1000-2000 foot range with isolated ceilings
just below 1000 feet. Stratus will spread north to near kbli by 15z.

Ceilings improving late in the morning. The clouds will scatter out
in the early afternoon hours with scattered clouds continuing
into the evening hours.

Ksea... Ceilings near 1000 feet through most of the morning hours.

Ceilings improving mid to late morning with the stratus scattering
out around 20z. Light southwesterly winds becoming northerly 4 to 8
knots this afternoon. Felton

Marine Onshore flow of varying strength will continue through
early next week due to persistent high pressure offshore with lower
pressure east of the cascades. Small craft advisory winds are
expected in the central and eastern strait of juan de fuca beginning
late in the afternoon and continuing into the early morning hours
each day through the weekend. For the remainder of the waters winds
are forecast to be 20 knots or less through the weekend with the
exception of the outer coastal waters on Saturday where winds will
rise to 25 knots. Felton

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory for central u.S. Waters strait of
juan de fuca the until 8 am pdt today and from 5 pm this
afternoon through early Friday morning.

Small craft advisory for the east entrance u.S. Waters
strait of juan de fuca from 7 pm tonight until early
Friday morning.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 0 mi54 min NW 14 G 17 57°F 58°F1021 hPa
46211 - Grays Harbor, WA (036) 8 mi60 min 56°F5 ft
TOKW1 - 9440910 - Toke Point, WA 16 mi42 min NW 5.1 G 7 59°F 62°F1021.2 hPa
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 44 mi40 min NNW 7.8 G 9.7 58°F 58°F6 ft1021.5 hPa (+0.4)
46100 46 mi100 min NNW 7.8 60°F 57°F1021.3 hPa
46243 - Clatsop Spit, OR - 162 48 mi60 min 60°F4 ft

Wind History for Westport, WA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA9 mi37 minW 910.00 miOvercast58°F55°F93%1021.3 hPa

Wind History from HQM (wind in knots)
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Last 24hrSW3CalmCalmCalmW3W5W7SW13SW13SW16SW14SW14SW12SW11SW8W9W8W8W4W5W8W7W9W9
1 day agoCalmCalmNE3NE3CalmW5S7--W10W13W11W13W9W12
G18
W14W6W8W4W5W5W4CalmSW33
2 days agoCalmCalmCalmCalmW3W44S9SW12SW12W11W13W12W14W10W5NW6CalmCalmCalmCalmCalmNE4Calm

Tide / Current Tables for Westport, Point Chehalis, Grays Harbor, Washington
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Westport
Click for Map
Thu -- 01:49 AM PDT     Moonrise
Thu -- 03:19 AM PDT     0.30 feet Low Tide
Thu -- 06:16 AM PDT     Sunrise
Thu -- 10:07 AM PDT     6.98 feet High Tide
Thu -- 03:15 PM PDT     3.26 feet Low Tide
Thu -- 05:17 PM PDT     Moonset
Thu -- 08:22 PM PDT     Sunset
Thu -- 09:43 PM PDT     9.39 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.72.81.20.40.51.42.645.46.576.75.84.83.93.33.54.45.77.18.39.29.48.6

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Thu -- 01:00 AM PDT     -3.29 knots Max Ebb
Thu -- 01:49 AM PDT     Moonrise
Thu -- 04:30 AM PDT     0.00 knots Slack
Thu -- 06:16 AM PDT     Sunrise
Thu -- 08:01 AM PDT     1.77 knots Max Flood
Thu -- 10:33 AM PDT     -0.00 knots Slack
Thu -- 01:35 PM PDT     -1.87 knots Max Ebb
Thu -- 04:07 PM PDT     0.00 knots Slack
Thu -- 05:17 PM PDT     Moonset
Thu -- 07:12 PM PDT     1.75 knots Max Flood
Thu -- 08:22 PM PDT     Sunset
Thu -- 10:16 PM PDT     -0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-3-3.3-2.9-1.9-0.60.51.21.61.81.50.7-0.5-1.3-1.8-1.8-1.2-0.10.81.51.71.71.30.4-1.1

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 Seattle, WA (7,2,3,4)
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Ground Weather Radar Station Portland, OR
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weather_mapweather_map weather_map

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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.