Monday, June18, 2018 L-36.com


Marine Weather and Tides
James, 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 5:11AMSunset 9:18PM Monday June 18, 2018 2:20 PM PDT (21:20 UTC) Moonrise 10:05AMMoonset 12:00AM Illumination 29% Phase: Waxing Crescent; Moon at 5 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- 849 Am Pdt Mon Jun 18 2018
Today..Light wind becoming W 5 to 15 kt. Wind waves 2 ft or less.
Tonight..SW wind rising to 15 to 25 kt this evening, and then easing late. Wind waves building to 2 to 4 ft this evening, and then subsiding late.
Tue..S wind 5 to 15 kt, becoming W 10 to 20 kt. Wind waves 3 ft or less.
Tue night..SW wind 15 to 25 kt easing late. Wind waves 2 to 4 ft subsiding late.
Wed..W wind 5 to 15 kt. Wind waves 2 ft or less.
Wed night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Thu..W wind 20 to 30 kt. Wind waves 3 to 5 ft.
Fri..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
PZZ100 849 Am Pdt Mon Jun 18 2018
Synopsis for the northern and central washington coastal and inland waters..Onshore or southerly flow will strengthen this afternoon before weakening later tonight. Increased onshore flow may result in a brief period of gale force winds over parts of the strait of juan de fuca this evening. Generally onshore flow of varying strength will prevail Tuesday through Thursday.

7 Day Forecast for Marine Location Near Jamestown CDP, WA
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location: 48.16, -123.13     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 181623
afdsew
area forecast discussion
national weather service seattle wa
923 am pdt Mon jun 18 2018

Synopsis An upper ridge offshore will build into british
columbia today then shift inland over the pacific northwest
Tuesday. The ridge will shift east Tuesday night and Wednesday.

High temperatures over interior will be within a few degrees of
records through Wednesday. Onshore flow will bring cooler marine
air into the area Thursday and Friday. High pressure will try to
rebuild over the region next weekend.

Short term A strong upper ridge centered offshore near 135w
this morning will shift slowly east today, weaken and move over
western washington on Tuesday, and then move over eastern
washington on Wednesday. At the same time, an upper low over
southern idaho will move further inland today and Tuesday.

Wrap around moisture from the upper low and lingering instability
will be enough for a slight chance of late afternoon and early
evening showers over the cascades today and Tuesday. The threat
looks pretty minimal today and then a little better on Tuesday.

Increasing southerly flow aloft will bring a more general chance
of showers to the area on Wednesday although the best chances will
remain over the higher terrain.

Temperature-wise, today will be similar to yesterday for the
interior with highs in the 80s to near 90. There will be some
cooling at the coast and down the strait of juan de fuca today
however as onshore flow increases. Tuesday should be slightly
cooler for the interior with the added low level onshore flow but
80s should be common again. Temperatures will actually tick up a
few degrees Wednesday as onshore flow eases again.

Cloud-wise, today should be sunny again except for some afternoon
cumulus over the cascades. Currently, there are some low clouds
over parts of the central coast and partially inland over the
lower chehalis valley. These clouds should burn back to the waters
late this morning. Increasing onshore flow should allow low clouds
to fill in at the coast this evening and spread partially inland
through the chehalis gap and down the strait tonight. Both the gfs
and NAM show the oth-sea gradient near +5.0 at 00z. That usually
means low clouds at seatac the next morning. However, with the
upper ridge axis still to the west, the low clouds will probably
only reach the west side of puget sound and whidbey island Tuesday
morning before burning back to the coast later Tuesday. Schneider

Long term Previous discussion... Extended models in good
agreement with an upper level trough moving through the area
Thursday morning. Increasing onshore gradients behind the front
with the resulting marine push cooling high temperatures 10 to 20
degrees over the interior. Showers chances with the trough will be
confined to the higher terrain. Models solutions become
inconsistent on Friday with the GFS moving the trough through the
area faster than the ecmwf. Onshore flow continuing at the lower
levels keeping highs near normal, in the 60s to mid 70s. Some
differences int he models over the weekend with the GFS a little
deeper keeping an upper level trough offshore versus the ecmwf
which is weaker but more progressive with the trough. Will stay
with a dry forecast for now which is more in line with the GFS and
keep high temperatures in the 60s to mid 70s. Felton

Aviation Wrn wa will remain between an upper level ridge
centered offshore and an upper level low over the great basin
today. This will maintain the nly flow aloft. The air mass will
become slightly unstable over the central cascades this afternoon
for a risk of isold tstms. The low level flow has become onshore
or sly and will strengthen this afternoon.

Meanwhile, areas of ifr CIGS vsbys over the coast and lower
chehalis river valley this morning will lift or retreat to the
immediate coastline this afternoon. Expect ifr CIGS to surge
inland late today or early this evening, reaching kpwt about 0900
utc.

Ksea...VFR. Low clouds are expected to remain west of the airport
tomorrow morning. Meanwhile, light westerly today will become
light southerly tonight.

Marine Onshore or southerly flow will strengthen this
afternoon before weakening later tonight. The pressure gradient
across the strait of juan de fuca is forecast to peak about +3.0
mb this evening. As a rule of thumb, gale force winds occur over
parts of the strait of juan de fuca when there is a 3 mb
difference in the sea level pressure between quillayute and
bellingham. This coupled with about a 15-degree difference in
temperatures between the coast and the interior this afternoon may
be enough to cause a brief period of gale force westerlies over
the central strait of juan de fuca this evening. Thus, a gale
watch was issued for this marine zone.

In general, expect onshore flow of varying strength Tuesday
through Friday.

Sew watches warnings advisories
Wa... None.

Pz... Gale watch from 6 pm pdt this evening through this evening for
central u.S. Waters strait of juan de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46088 - New Dungeness, WA (Hein Bank) 12 mi60 min Calm G 1.9 61°F 55°F1 ft1013.8 hPa55°F
PTAW1 - 9444090 - Port Angeles, WA 17 mi50 min NW 8.9 G 9.9 60°F 51°F1014 hPa
SISW1 - Smith Island, WA 19 mi30 min W 2.9 G 4.1 65°F 1013.7 hPa (-0.8)54°F
PTWW1 - 9444900 - Port Townsend, WA 20 mi50 min Calm G 5.1 70°F 52°F1014.1 hPa
FRDW1 - 9449880 - Friday Harbor, WA 27 mi50 min NE 2.9 G 4.1 72°F 53°F1013.2 hPa
46125 32 mi47 min 1.9 64°F 1013.1 hPa50°F
PBFW1 - Padilla Bay Reserve, WA 41 mi50 min N 7 74°F 1013 hPa58°F
46120 48 mi47 min SE 1.9 71°F 1013.5 hPa52°F
46118 49 mi85 min SE 3.9 69°F 1012.9 hPa58°F

Wind History for Port Angeles, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Port Angeles Fairchild International Airport, WA20 mi27 minN 410.00 miFair75°F50°F42%1014.2 hPa

Wind History from CLM (wind in knots)
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Last 24hrN5E5SE4W6NW4CalmNW3W6W6SW9SW7W8SW9SE7SW4S3SW4E4E4SE744NE5N4
1 day agoNE44E4NW6NW5NW7W6CalmSW6SW10W7W14W7CalmW4CalmCalmE10E8E10E7E6E5SE5
2 days agoN6NW5NW8NW4NW8W12
G17
NW7W54W4W4SW4CalmW3SW5SW5SW4SW53N5Calm334

Tide / Current Tables for Dungeness, Washington
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Dungeness
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Mon -- 12:36 AM PDT     Moonset
Mon -- 02:26 AM PDT     5.01 feet Low Tide
Mon -- 05:11 AM PDT     Sunrise
Mon -- 06:39 AM PDT     6.16 feet High Tide
Mon -- 11:04 AM PDT     Moonrise
Mon -- 01:41 PM PDT     -1.11 feet Low Tide
Mon -- 09:15 PM PDT     Sunset
Mon -- 09:23 PM PDT     8.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
65.355.15.35.76.16.15.74.73.21.5-0-0.9-1.1-0.40.82.54.46.27.68.38.37.6

Tide / Current Tables for New Dungeness Light, 2.8 miles NNW of, Washington Current
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New Dungeness Light
Click for Map
Mon -- 12:37 AM PDT     Moonset
Mon -- 01:26 AM PDT     -1.31 knots Max Ebb
Mon -- 05:11 AM PDT     Sunrise
Mon -- 05:58 AM PDT     0.00 knots Slack
Mon -- 07:12 AM PDT     0.21 knots Max Flood
Mon -- 08:14 AM PDT     -0.00 knots Slack
Mon -- 11:04 AM PDT     Moonrise
Mon -- 12:54 PM PDT     -1.56 knots Max Ebb
Mon -- 05:06 PM PDT     0.01 knots Slack
Mon -- 07:52 PM PDT     0.86 knots Max Flood
Mon -- 09:16 PM PDT     Sunset
Mon -- 10:32 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.1-1.3-1.3-1.1-0.7-0.400.20.1-0.3-0.8-1.2-1.5-1.6-1.4-1.1-0.6-0.10.40.80.90.70.3-0.3

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 (17,4,5,8)
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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.