Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
Taholah, 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 6:05AMSunset 8:20PM Wednesday April 25, 2018 6:56 PM PDT (01:56 UTC) Moonrise 2:33PMMoonset 3:33AM 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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PZZ156 Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- 428 Pm Pdt Wed Apr 25 2018
Tonight..N wind 5 to 15 kt becoming E after midnight. Wind waves 1 to 2 ft. W swell 6 ft at 12 seconds.
Thu..E wind 10 to 20 kt becoming S to 10 kt in the afternoon. Wind waves 1 to 3 ft. W swell 5 ft at 11 seconds.
Thu night..SW wind to 10 kt. Wind waves 1 ft. W swell 6 ft at 13 seconds. A slight chance of showers after midnight.
Fri..SW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 6 ft at 13 seconds.
Fri night..SW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 7 ft at 13 seconds.
Sat..SW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 6 ft at 13 seconds.
Sat night..SW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 6 ft at 13 seconds.
Sun..W wind 5 to 15 kt becoming nw 15 to 25 kt. Wind waves 1 to 2 ft building to 2 to 4 ft. W swell 7 ft building to nw 9 ft.
Mon..NW wind 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 10 ft.
PZZ100 428 Pm Pdt Wed Apr 25 2018
Synopsis for the northern and central washington coastal and inland waters..High pressure over central british columbia will move into southeastern british columbia and eastern washington late tonight into Thursday. A thermal trough in the coastal waters will strengthen tonight into early Thursday then shift inland late Thursday into Thursday night. Onshore flow will develop Thursday night then will strengthen Friday and Friday night as pressures fall east of the cascades and ridging builds offshore. Onshore flow will slowly relax Saturday and Sunday.

7 Day Forecast for Marine Location Near Taholah, WA
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location: 47.3, -124.27     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 252148
afdsew
area forecast discussion
national weather service seattle wa
248 pm pdt Wed apr 25 2018

Synopsis Upper level ridging over washington will keep
conditions dry through Thursday. Offshore flow at the surface will
allow for warm conditions to continue, with near-record to record
high temperatures expected on Thursday. An upper level low will
approach from the southwest late in the week bringing a return to
seasonably cool temperatures and an increasing chance of showers
Friday into the weekend.

Short term Warm and dry weather continued today with high
pressure and offshore flow. Skies were mostly sunny with just a
thin patch of cirrus over the region. Temperatures were mainly in
the upper 60s to lower 70s and we should add a few more degrees
late this afternoon. Lows will be mild tonight, near 50, as low
level offshore flow increases. Guidance shows temperatures
trending a few degrees warmer on Thursday.

A flip to onshore flow will bring cooler conditions on Friday.

Temperatures will trend closer to normal with highs in the 60s.

There is a chance of showers, mainly for the southern half of the
cwa, as a closed upper level low spreads moisture north toward
western washington. The upper low will continue to push inland
Friday night into Saturday with more moisture wrapping around into
western wa. Expect highs on Saturday only in the mid to upper 50s. 33

Long term The upper level low will slowly push east through the
pac NW on Sunday then finally exit on Monday. Model continue show
some moisture over the the region for a chance of showers and
cooler conditions. An upper level ridge will build offshore on
Tuesday then shift inland Wednesday and Thursday for warmer and
drier conditions. 33

Aviation High pressure aloft over western washington will shift
into eastern washington on Thursday. Light flow aloft will become
light southerly on Thursday. The air mass is dry and stable with
goodVFR conditions over the entire area, and will continue that
way through Thursday.

At the surface, high pressure over central british columbia will
shift southeastward into southeastern british columbia and
eastern washington later tonight into Thursday. A thermal trough
of low pressure over the coastal waters will strengthen tonight
into Thursday morning then shift slowly inland Thursday afternoon.

Light north to northeasterly flow will turn to the east and
increase somewhat, especially near gaps in the terrain, late
tonight into Thursday morning. The low level flow will become
light in the afternoon as the thermal trough moves inland then
become onshore early Thursday evening. Albrecht
ksea... Very goodVFR with clear skies and good visibility.

Wind 340 degrees at 10-12 kt will shift to NE 6-10 kt 03z this
evening through Thursday morning. Wind will shift back to 34010kt
midday Thursday. Albrecht

Marine A 1024 mb high over central british columbia will shift
southeast into southeastern british columbia and eastern
washington late tonight and Thursday. A thermal trough of low
pressure over the coastal waters will strengthen late tonight into
Thursday morning then will shift inland later Thursday into
Thursday night. Light north flow today will become more easterly
late tonight into Thursday morning. East winds 15 to 25 knots are
expected around the east entrance to the strait of juan de fuca
later tonight into Thursday morning, so a small craft advisory is
in effect from midnight tonight until noon Thursday.

Onshore flow will develop Thursday evening as the thermal trough
shifts inland. Small craft advisory conditions are likely over
much of the strait of juan de fuca Thursday night into Friday.

Onshore flow is expected to strengthen later Friday as pressures
fall to the east of the area and ridging develops offshore. Gale
force winds are possible over the eastern two-thirds of the strait
of juan de fuca Friday night and small craft advisory winds are
possible in the inland waters around the strait and over the
southern portions of puget sound and hood canal.

Onshore flow will gradually relax over the weekend with small
craft advisory conditions mainly during the afternoon and
overnight hours in the strait. Albrecht

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory from midnight tonight to noon pdt Thursday
for coastal waters from CAPE flattery to james island out
10 nm-west entrance u.S. Waters strait of juan de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 25 mi66 min N 5.8 G 7.8 56°F 54°F6 ft1017.5 hPa (-1.0)
46099 27 mi126 min N 9.7 56°F 55°F1017.5 hPa
DESW1 - Destruction Island, WA 28 mi56 min 58°F 1018 hPa (-1.1)
WPTW1 - 9441102 - Westport, WA 29 mi80 min NNW 20 G 23 62°F 55°F1017 hPa
46211 - Grays Harbor, WA (036) 31 mi26 min 53°F5 ft
TOKW1 - 9440910 - Toke Point, WA 44 mi38 min NW 6 G 8.9 73°F 60°F1016.4 hPa
LAPW1 - 9442396 - La Push, WA 47 mi80 min 52°F
46100 48 mi126 min 56°F 55°F1017.7 hPa

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA27 mi63 minWSW 810.00 miFair77°F46°F33%1016.6 hPa

Wind History from HQM (wind in knots)
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Last 24hrNW7NW11N8CalmCalmE4NE7NE4E9E10E8E7E11E10E9E10E12E11E7SW10SW7SW5SW8W8
1 day agoNE9NE8N4NE3NE4NE10NE7E10NE10NE10NE8NE5E6E5E7E10NE12E7
G16
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2 days agoW7NW5N5SW4CalmN3NE3NE4NE4NE6E7NE7E7E6E6E8NE13
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Tide / Current Tables for Point Grenville, Washington
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Point Grenville
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Wed -- 03:16 AM PDT     1.99 feet Low Tide
Wed -- 04:33 AM PDT     Moonset
Wed -- 06:10 AM PDT     Sunrise
Wed -- 09:27 AM PDT     7.09 feet High Tide
Wed -- 03:33 PM PDT     Moonrise
Wed -- 03:44 PM PDT     0.25 feet Low Tide
Wed -- 08:20 PM PDT     Sunset
Wed -- 10:27 PM PDT     7.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.44.22.822.23.14.25.36.4776.35.13.61.90.60.312.33.85.46.77.57.4

Tide / Current Tables for Point Brown, Grays Harbor, Washington
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Point Brown
Click for Map
Wed -- 03:52 AM PDT     2.61 feet Low Tide
Wed -- 04:31 AM PDT     Moonset
Wed -- 06:10 AM PDT     Sunrise
Wed -- 09:58 AM PDT     8.20 feet High Tide
Wed -- 03:33 PM PDT     Moonrise
Wed -- 04:16 PM PDT     0.35 feet Low Tide
Wed -- 08:18 PM PDT     Sunset
Wed -- 11:00 PM PDT     8.77 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
75.64.132.63.14.15.56.87.88.27.76.54.82.91.20.40.61.73.35.37.18.38.8

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 (21,6,7,8)
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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.