Thursday, July18, 2019 L-36.com


Marine Weather and Tides
Westport, WA

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:37AMSunset 9:06PM Thursday July 18, 2019 10:33 AM PDT (17:33 UTC) Moonrise 9:29PMMoonset 6:17AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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- 956 am pdt Thu jul 18 2019 combined seas 5 to 7 feet. Bar conditions light to moderate. Maximum ebb currents will occur around 645 pm late this afternoon and 645 am Friday morning.
PZZ100 956 Am Pdt Thu Jul 18 2019
Synopsis for the northern and central washington coastal and inland waters..Continued onshore flow will allow for small craft advisory level winds again this afternoon and tonight in the strait and adjacent waters. This onshore flow will ease somewhat on Friday. Weak high pressure will build toward the area over the weekend.


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 181531
afdsew
area forecast discussion
national weather service seattle wa
831 am pdt Thu jul 18 2019

Update today Mixed bag of weather across the area this morning
with areas of clouds and showers while others are seeing some
clearing. Convergence zone near snohomish - king county border has
dissipated recently from overnight strength but a few showers
remain. Going forward today, scattered showers will remain, mainly
from seattle northward, and in the mountains. Elsewhere expect some
sunshine and warmer temperatures. Highs generally in the mid 60s to
lower 70s. Previous discussion follows. Ceo

Synopsis A few showers will linger today as a system departs.

Drying and warming trend over the weekend as high pressure builds
into the area. Dry weather continuing for the first part of next
week with low level onshore flow.

Short term today through Saturday Little change in the
pattern tonight with the convergence zone continuing and the upper
level trough over british columbia keeping showers in the forecast
near the canadian border. Lows tonight in the 50s.

Convergence zone dissipating on Friday with the upper level trough
weakening during the day and slowly moving off to the southeast. At
least a chance of showers will continue from about seattle northward
during the day under mostly cloudy skies. More sunshine over the
southwest interior. Highs will start to recover a little but still
be a couple of degrees below normal, in the mid 60s to mid 70s.

500 mb heights slowly building Friday night with the trough east of
the area. This trend will continue into Saturday with the 4 corners
high trying to build back to the northwest and yet another upper
level trough beginning to dig south well offshore. Low level onshore
flow will continue into Saturday. Lows Friday night in the 50s.

Highs on Saturday in the lower 70s to lower 80s.

Long term Sunday through Wednesday Extended models in good
agreement with the upper level trough offshore and the upper level
ridge to the southeast pattern continuing Sunday and Monday. Low
level flow remains onshore and 500 mb heights peaking only in the
lower 580 dms. This combination will prevent highs from getting very
warm with lower 70s to mid 80s forecast for Sunday and Monday. Upper
level trough moving toward the coast on Tuesday with some increase
in the low level onshore flow cooling high temperatures down a few
degrees versus Monday. Trough moving into the area on Wednesday.

This is a little faster than previous runs.

Have kept the forecast dry for now with highs a little cooler again
on Wednesday. If the model trends continue look for a chance of
showers to be introduced into the forecast for Wednesday. Felton

Aviation Westerly flow aloft transitioning more northwesterly
tonight with an upper level trough located across the pac nw.

GenerallyVFR CIGS this morning across W wa with areas of MVFR
located near the pscz over portions of snohomish and king counties
where there is light drizzle.VFR CIGS by afternoon across the
area are expected with some mid-level clouds with some pscz
activity possible in spots during the afternoon. Onshore flow with
southwesterly winds this morning, becoming more northwesterly late
this afternoon. Winds generally 5 to 12 knots with a few gusts
along the coast and the strait of juan de fuca later today.

Ksea... GenerallyVFR through this afternoon with MVFR possible
this morning with mid level clouds. Some pscz activity possible
through today with a chance for showers.VFR CIGS through tonight.

Southerly winds through most of this morning becoming more
northwesterly later today. Winds generally 5 to 12 knots. Jd

Marine Increasing westerlies through the strait of juan de fuca
this afternoon with SCA level winds for the strait as well as
northern inland waters and admiralty inlet. Onshore flow will ease
on Friday with advisory level westerlies through the weekend
across the central and eastern strait of juan de fuca for the late
afternoon and evening hours. Jd

Hydrology The daily hydrology discussion has ended until the
start of the next rainy season; it will only be updated as needed
until then.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory from 2 pm this afternoon to 5 am pdt Friday
for central u.S. Waters strait of juan de fuca-east
entrance u.S. Waters strait of juan de fuca.

Small craft advisory from 5 pm this afternoon to 5 am pdt Friday
for northern inland waters including the san juan islands.

Small craft advisory from 5 pm this afternoon to midnight pdt
tonight for admiralty inlet.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 0 mi57 min N 11 G 14 61°F 64°F1018.2 hPa
46211 - Grays Harbor, WA (036) 8 mi33 min 64°F6 ft
TOKW1 - 9440910 - Toke Point, WA 16 mi51 min NW 6 G 8 61°F 66°F1018.5 hPa
46099 25 mi103 min NNW 9.7 61°F 1017.8 hPa
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 45 mi43 min NW 9.7 G 12 61°F 64°F7 ft1018.6 hPa (+1.2)
46100 46 mi103 min NNW 9.7 62°F 62°F1018.4 hPa
46243 - Clatsop Spit, OR - 162 48 mi33 min 64°F6 ft

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA9 mi40 minNNW 58.00 miMostly Cloudy63°F55°F76%1018.7 hPa

Wind History from HQM (wind in knots)
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2 days agoSW9SW10SW11SW12SW12W10W11W11W9W7W5NW4W5NW4NW3CalmCalmN3NE3NE3CalmCalmCalmSW5

Tide / Current Tables for Westport, Point Chehalis, Grays Harbor, Washington
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Westport
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Thu -- 01:56 AM PDT     8.47 feet High Tide
Thu -- 05:39 AM PDT     Sunrise
Thu -- 07:17 AM PDT     Moonset
Thu -- 08:29 AM PDT     -1.29 feet Low Tide
Thu -- 03:23 PM PDT     7.47 feet High Tide
Thu -- 08:34 PM PDT     2.29 feet Low Tide
Thu -- 09:04 PM PDT     Sunset
Thu -- 10:28 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.28.18.57.96.54.62.50.4-1.1-1.101.73.55.26.77.47.36.45.13.72.52.43.44.9

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
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Thu -- 02:23 AM PDT     -0.01 knots Slack
Thu -- 05:39 AM PDT     Sunrise
Thu -- 06:09 AM PDT     -3.60 knots Max Ebb
Thu -- 07:17 AM PDT     Moonset
Thu -- 09:32 AM PDT     0.01 knots Slack
Thu -- 12:59 PM PDT     2.28 knots Max Flood
Thu -- 03:47 PM PDT     -0.00 knots Slack
Thu -- 06:43 PM PDT     -2.05 knots Max Ebb
Thu -- 09:04 PM PDT     Sunset
Thu -- 09:20 PM PDT     0.00 knots Slack
Thu -- 10:28 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.30.5-0.9-2.3-3.2-3.6-3.3-2.2-0.70.61.62.12.321-0.3-1.3-1.9-2-1.5-0.40.71.3

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 Seattle, WA (13,3,4,5)
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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 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.