Sunday, June24, 2018 L-36.com


Marine Weather and Tides
Sequim, WA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 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.

Sunrise 5:12AMSunset 9:19PM Saturday June 23, 2018 10:13 PM PDT (05:13 UTC) Moonrise 3:54PMMoonset 1:52AM Illumination 82% Phase: Waxing Gibbous; Moon at 11 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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PZZ132 East Entrance U.s. Waters Strait Of Juan De Fuca- 815 Pm Pdt Sat Jun 23 2018
.small craft advisory in effect through Sunday afternoon...
.gale watch in effect from Sunday afternoon through late Sunday night...
Tonight..W wind 20 to 30 kt. Wind waves 3 to 5 ft.
Sun..W wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft.
Sun night..W wind 25 to 35 kt easing to 20 to 30 kt after midnight. Wind waves 4 to 6 ft. A chance of showers.
Mon..W wind 20 to 30 kt easing to 15 to 25 kt in the afternoon. Wind waves 3 to 5 ft.
Mon night..W wind 10 to 20 kt rising to 15 to 25 kt after midnight. Wind waves 2 to 4 ft.
Tue..W wind 5 to 15 kt becoming to 10 kt in the afternoon. Wind waves 2 ft or less.
Tue night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Wed..W wind 5 to 15 kt rising to 20 to 30 kt. Wind waves 2 ft or less building to 3 to 5 ft.
Thu..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
PZZ100 815 Pm Pdt Sat Jun 23 2018
Synopsis for the northern and central washington coastal and inland waters..Onshore flow increase again late Sunday afternoon and evening. A cold front will move through the area Sunday night. Small craft advisory strength westerly winds are likely each day in the strait of juan de fuca--with westerly gales possible in the strait Sunday night.

7 Day Forecast for Marine Location Near Sequim, WA
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location: 48.08, -123.05     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 240306
afdsew
area forecast discussion
national weather service seattle wa
805 pm pdt Sat jun 23 2018

Synopsis After sunny warm weather Sunday, a cold front will move
through the area Sunday night. A cool upper trough will affect the
region Monday. Tuesday should see weak high pressure before another
upper trough arrives late Wednesday and Thursday.

Short term The upper ridge axis over western washington will
quickly move inland--this will be a quick temporary warm up Sunday.

As the cold front reaches the area, some rain is likely from about
seattle northward later Sunday night--but areas south of seattle and
the southern half of the cascades could stay mostly dry. The showers
with the trough on Monday are likely to be mainly in the north
too. Tuesday will see the trough shift inland and heights rebound
somewhat, but there isn't really an upper ridge--just zonal flow
aloft with heights peaking around 576dm.

Long term This ridge looks to fizzle out by the time it makes it
to the coast... Leaving zonal flow over the area for Wed making for a
dry day and keeping temps pretty level with highs right around 70 in
the lowlands. Another upper level trough will enter the area
afterward bringing pops back into the forecast for both Thursday and
Friday. Both models in agreement with regards to a pacific high
pressure system likely to be the next influence on W wa
weather... But there is some disagreement on how soon or even if
moisture will move out... The GFS opting for a drier solution while
the ECMWF allows pops to linger. Until a consensus emerges... Opted
to split the difference. Smr

Aviation Onshore flow decreases through midday Sunday then kicks
in again late Sunday afternoon and evening. The air mass is stable
and drying--at 8pm there were only a few patches of clouds remaining
over the region. After a sunny warm day on Sunday, clouds should
increase late afternoon or evening and marine air will push in
again. A cold front will arrive overnight Sunday night with areas of
rain developing on the coast in the evening--especially the north
coast, and spreading to the i-5 corridor in the middle of the night--
especially north of seattle.

Ksea... Mostly clear skies until a cold front nears the area late
Sunday. Skies should cloud up pretty quickly Sunday evening.

Marine Sunday will warm up, and then there will be a decent push
of marine air late Sunday afternoon and evening--just ahead of a
cold front. The cold front will reach western washington Sunday
night, and an upper trough will follow on Monday.

Sunday evening looks like a good bet for westerly gales in the
strait of juan de fuca. Also, the hqm-sea gradient ought to get up
to at least +3mb--so breezy southwest winds are likely down around
shelton, but the models show winds converging over puget sound which
limits the wind speeds for most of the puget sound area.

Onshore flow eases Monday through midday Tuesday, picks up with the
diurnal push Tuesday evening, and then another upper trough arrives
so Wednesday evening could also have stronger onshore gradients,
in general, there will be alot of onshore flow and marine air
affecting western washington next week--marine air is likely to
flood in so that race rocks flirts with gales most evenings for a
few hours. Elsewhere, the winds will be not too remarkable, basic
moderate onshore flow most days.

Sew watches warnings advisories
Wa... None.

Pz... Gale watch from Sunday afternoon through late Sunday night for
central u.S. Waters strait of juan de fuca-east entrance
u.S. Waters strait of juan de fuca.

Small craft advisory until 5 pm pdt Sunday for central u.S.

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



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTWW1 - 9444900 - Port Townsend, WA 16 mi44 min W 8 G 12 53°F1021.5 hPa
46088 - New Dungeness, WA (Hein Bank) 19 mi54 min WSW 14 G 16 54°F 53°F2 ft1020.1 hPa52°F
SISW1 - Smith Island, WA 20 mi24 min W 11 G 14 54°F 1020.8 hPa (-0.5)51°F
PTAW1 - 9444090 - Port Angeles, WA 21 mi44 min WNW 8 G 9.9 56°F 52°F1021.1 hPa
46125 25 mi42 min 12 57°F 1020.2 hPa53°F
FRDW1 - 9449880 - Friday Harbor, WA 32 mi44 min WSW 5.1 G 7 59°F 52°F1020.2 hPa
PBFW1 - Padilla Bay Reserve, WA 41 mi44 min WSW 2.9 59°F 1021 hPa53°F
WPOW1 - West Point, WA 44 mi74 min Calm G 1 63°F 1020.6 hPa (-1.0)52°F

Wind History for Port Townsend, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Port Angeles Fairchild International Airport, WA24 mi21 minWNW 710.00 miFair53°F50°F89%1021.6 hPa

Wind History from CLM (wind in knots)
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Last 24hrW9W9W10W9W9NW8W6W5W6NW5NW8NW8NW9
G16
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1 day agoW7W9NW3W7NW7NW6W3W5W5W3W3NW8NW11
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2 days agoW12W14
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W12NW12W8W5NW6NW6NW9NW7NW7NW66NW9NW9NW10NW11
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NW65W7W9

Tide / Current Tables for Sequim Bay Entrance, Washington
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Sequim Bay Entrance
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Sun -- 01:00 AM PDT     7.88 feet High Tide
Sun -- 03:19 AM PDT     Moonset
Sun -- 05:13 AM PDT     Sunrise
Sun -- 08:35 AM PDT     -0.05 feet Low Tide
Sun -- 03:47 PM PDT     6.71 feet High Tide
Sun -- 05:58 PM PDT     Moonrise
Sun -- 08:17 PM PDT     5.22 feet Low Tide
Sun -- 09:16 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.67.97.66.75.33.61.90.7000.61.52.84.35.66.56.76.45.95.55.25.35.86.4

Tide / Current Tables for Kamen Point, 1.3 miles SW of, Washington Current
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Kamen Point
Click for Map
Sun -- 01:10 AM PDT     -0.00 knots Slack
Sun -- 03:19 AM PDT     Moonset
Sun -- 05:12 AM PDT     Sunrise
Sun -- 05:59 AM PDT     -1.38 knots Max Ebb
Sun -- 09:18 AM PDT     0.00 knots Slack
Sun -- 12:33 PM PDT     0.43 knots Max Flood
Sun -- 03:35 PM PDT     -0.00 knots Slack
Sun -- 05:57 PM PDT     Moonrise
Sun -- 06:59 PM PDT     -0.66 knots Max Ebb
Sun -- 09:15 PM PDT     Sunset
Sun -- 09:34 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20-0.3-0.7-1-1.3-1.4-1.2-0.8-0.20.20.30.40.40.30.1-0.1-0.4-0.6-0.7-0.5-0.20.10.1

Weather Map and Satellite Images
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wmap_P
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 (1,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.