Wednesday, May24, 2017 L-36.com


Marine Weather and Tides
Westport, WA

Version 3.4
What's New / NOTES
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 5:27AMSunset 8:57PM Wednesday May 24, 2017 6:26 AM PDT (13:26 UTC) Moonrise 4:12AMMoonset 6:36PM Illumination 1% Phase: Waning Crescent; Moon at 28 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- 255 Am Pdt Wed May 24 2017
.small craft advisory for rough bar in effect until 6 am pdt early this morning... Combined seas 7 to 9 ft...except briefly 10 ft during the very strong ebb current early this morning. Seas subsiding to 5 to 8 ft Thu morning. Bar conditions moderate...except rough during the strong ebb early this morning. The maximum ebb currents will occur around 4 am and 415 pm today.
PZZ100 255 Am Pdt Wed May 24 2017
Synopsis for the northern and central washington coastal and inland waters..A 1039 mb high over the ne pacific will gradually weaken through Fri. The combination of higher pres offshore with lower pres E of the cascades will result in continued onshore or westerly flow...although the flow will weaken with time.

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 241023
afdsew
area forecast discussion
national weather service seattle wa
320 am pdt Wed may 24 2017

Synopsis A much cooler air mass over western washington today
will result in cooler conditions and a slight chance of showers
today. Temperatures slowly rebound Thursday with a slight chance for
showers and thunderstorms over the cascades. An upper ridge will
bring warmer and drier weather over the weekend.

Short term Winds continue to gradually ease this early morning
thus allowing for inherited headlines to expire. Temperatures
continue to fall with many locations reporting temperatures ranging
from the mid 40s to lower 50s. This marks a significant departure
from 24 hours ago where... Using sea-tac as an example... Current obs
are 10 degrees cooler. Not surprisingly... With a cooler air mass in
place on the back side of an upper level trough... Temperatures today
will actually end up falling pretty close to normal or just a little
shy of normal even though temps this afternoon will be 10 to 15
degrees cooler than observed highs for yesterday.

This flirtation with normalcy will not last long. As the upper level
trough pulls away and upper level ridging starts to build over the
pacific... So too will temperatures rise once more... Gradually at
first... As temperatures on Thursday will range from the mid 60s to
right around 70 but as the upper level ridge starts to enter the
area Friday temperatures will once again start to inch up to the 80
degree mark.

While the near term looks generally dry... Some
disturbances instability in the wake of the trough axis will bring
slight chance pops to the lowlands today and chance pops to the
cascades and olympics today and again tomorrow. Conditions look
unstable enough over the southern half of our cascades to allow for
the chance of thunderstorms Thursday afternoon. This is a bit of
fine tuning from previous forecast. The mountains appear to be the
limit of any precip though as lowlands are expected to resume a dry
forecast. Smr

Long term The memorial day weekend looks to be generally rain-
free as upper level ridging makes its way eastward over the area.

Temperatures will hover right around 80 degrees for most of the
interior lowlands during this time frame while temperatures along
the coast will prove more mild in the mid to upper 60s. A shortwave
disturbance embedded within the passing ridge may give rise to some
convective showers Sunday afternoon and evening... But this appears
to be confined to the cascades at this time. In fact... This
afternoon evening pattern under a fairly stationary ridge looks to
persist into the first part of next week. While certainly would not
rule out a rumble of thunder with these showers... This is far out
enough in the extended where not much in the way of confidence in
inserting that feature into the forecast at this time. As mentioned
before... This activity looks to be confined to the mountains with
continued dry conditions expected for the lower elevations.

As the ridge remains fairly stationary... So too will area
temperatures... Which means afternoon highs right around 80 will
linger over the interior lowlands at least into the first part of
next week. Smr

Aviation An upper level low over SW british columbia will
continue moving e. An upper level ridge centered well offshore will
build over the region in its wake. Strong wly flow aloft will weaken
and become nly during the day today. Moderately strong low level
onshore flow will grdlly weaken. Expect areas of MVFR CIGS this
morning.

Ksea... ExpectingVFR conditions thru tonight. There is a possibility
of brief MVFR CIGS this morning. Winds will be problematic this
morning. Overall, anticipating winds to veer to southerly by
midmorning before becoming NW this afternoon.

Marine
A 1039 mb high over the northeast pacific will gradually weaken
through Friday. The combination of higher pressure offshore with
lower pressure east of the cascades will result in continued
onshore or westerly flow; although, the flow will weaken with time.

Sew watches warnings advisories
Wa... None.

Pz... Gale warning until 6 am pdt early this morning for central u.S.

Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca.

Small craft advisories are in effect for the remaining waters.

Small craft advisory for rough bar until 6 am pdt early this
morning for grays harbor bar.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 0 mi51 min NW 19 G 22 51°F 56°F1019.5 hPa
46211 - Grays Harbor, WA (036) 8 mi35 min 51°F9 ft
TOKW1 - 9440910 - Toke Point, WA 16 mi39 min NW 9.9 G 12 51°F 55°F1019.8 hPa
46099 25 mi97 min NW 16 52°F 54°F1019.3 hPa
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 44 mi37 min NW 19 G 23 51°F 52°F10 ft1019.5 hPa (-0.7)
46100 46 mi97 min NNW 16 52°F 54°F1020 hPa
46243 - Clatsop Spit, OR - 162 48 mi27 min 55°F8 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 mi34 minWNW 104.00 miFog/Mist50°F46°F86%1019.7 hPa

Wind History from HQM (wind in knots)
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Last 24hrSW4SW5SW7W12W15
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1 day agoE6E5SE3CalmSE3E7SE6W11W12W8W10W9NW9W5SW8SW7S5W3W3W3W4W7W3Calm
2 days agoN3NE5S4S5SW7SW6SW9W9SW10W9SW11SW11SW12SW8W6CalmCalmN3NE5CalmCalmNE4E3NE5

Tide / Current Tables for Westport, Point Chehalis, Grays Harbor, Washington
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Westport
Click for Map
Wed -- 05:12 AM PDT     Moonrise
Wed -- 05:31 AM PDT     Sunrise
Wed -- 06:10 AM PDT     -0.82 feet Low Tide
Wed -- 12:44 PM PDT     8.58 feet High Tide
Wed -- 06:10 PM PDT     1.80 feet Low Tide
Wed -- 07:35 PM PDT     Moonset
Wed -- 08:55 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
10.29.37.34.72.20.1-0.8-0.41.13.15.178.38.57.764.22.61.82.23.75.77.79.4

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Wed -- 12:21 AM PDT     -0.01 knots Slack
Wed -- 03:55 AM PDT     -4.13 knots Max Ebb
Wed -- 05:12 AM PDT     Moonrise
Wed -- 05:31 AM PDT     Sunrise
Wed -- 07:14 AM PDT     0.01 knots Slack
Wed -- 10:22 AM PDT     2.66 knots Max Flood
Wed -- 01:20 PM PDT     -0.00 knots Slack
Wed -- 04:21 PM PDT     -2.80 knots Max Ebb
Wed -- 07:02 PM PDT     0.00 knots Slack
Wed -- 07:36 PM PDT     Moonset
Wed -- 08:55 PM PDT     Sunset
Wed -- 10:00 PM PDT     2.66 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.6-1.2-2.8-3.8-4.1-3.6-2.2-0.41.12.22.62.61.90.6-1.1-2.2-2.8-2.6-1.6-0.11.42.32.72.4

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 (9,2,3,4)
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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.