Friday, March24, 2017 L-36.com


Marine Weather and Tides
Junction City, WA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:05AMSunset 7:36PM Friday March 24, 2017 1:05 AM PDT (08:05 UTC) Moonrise 4:30AMMoonset 2:50PM Illumination 11% Phase: Waning Crescent; Moon at 26 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- 846 Pm Pdt Thu Mar 23 2017
.small craft advisory for rough bar in effect through Friday evening... Combined seas 10 to 12 ft. Bar conditions rough. Maximum ebb currents will occur around 245 am and 3 pm Friday.
PZZ100 846 Pm Pdt Thu Mar 23 2017
Synopsis for the northern and central washington coastal and inland waters..A vigorous front over the coastal waters this evening will move across western washington tonight. A trough will follow the front on Friday. Weak high pres will move over the region Saturday. The next frontal system will move through the area Sunday night...with another front approaching on Tuesday.

7 Day Forecast for Marine Location Near Junction City, WA
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location: 46.97, -123.78     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 240411
afdsew
area forecast discussion
national weather service seattle wa
915 pm pdt Thu mar 23 2017

Synopsis Rain will continue to spread over the area tonight as a
front slowly moves through western washington. An upper trough will
bring showers Friday. Showers will decrease Saturday as the trough
shifts inland. Additional fronts will reach the area Sunday and
around Wednesday.

Short term Rain associated with front slowly making its way
through the area is gradually creeping eastward. While the radar
certainly looks like most areas should be seeing precip... Obs paint
a picture of more hit-or-miss activity... Particularly along the
leading edge of radar echoes. The stronger returns out over the
western half of the CWA look to be more uniform and thus for the
eastern half of the cwa... Will likely get this more stratiform
rainfall during the overnight hours. So anyone walking a four-legged
friend in these last moments of national puppy day had best do so
quickly... Unless there is a desire for that wet dog smell.

Forecast models remain pretty consistent and therefore... Forecast
remains fairly unchanged. Front passing through tonight while an
associated upper level trough will keep activity going over the area
through much of Friday. Instability with this upper level trough may
result in a slight chance for a few rumbles of thunder mainly
tomorrow afternoon. This may also result in some more snow for the
cascades and as such... A winter weather advisory remains in effect.

Overnight Friday and into Saturday afternoon will see activity
scatter out as a weak upper level ridge tries to make its way into
the region. Current runs are a little slower with this drying out
process compared to those 24 hours ago... Which is a bit of a bummer.

Accentuating that is the fact that models remain consistent on the
follow-up feature... Bringing rain to the coast by mid-morning Sunday
and spreading inland by late Sunday afternoon in what appears to be
deja-vu of current system. As such, front pushes through and exits
the area early Sunday evening followed by upper level trough that
allows for rain to continue into Monday. Smr

Long term From previous discussion... Monday will be showery as an
upper trough passes. Tuesday now looks wetter in the models and have
boosted pops, especially on the coast and in the mountains.

Wednesday still appears to be a day when a front brings rain.

Thursday will be showery at first but could see significant drying
later in the day. Temperatures will be close to normal through the
period. Burke

Aviation Strong southwest flow aloft over western washington
this evening will continue tonight and Friday, as the frontal system
moving through the region is followed by an upper trough.

The air mass will be moist and slightly unstable.

Rain associated with the incoming frontal system is spreading into
western washington this evening with ceilings generally 035-060.

Conditions should deteriorate slightly tonight as rain continues,
but we are expecting ceilings to remain generally in the low-endVFR
range. Conditions will improve only marginally on Friday as an upper
trough follows the front, with scattered showers and a slight chance
of thunderstorms during the afternoon and evening.

Ksea... South to southwest wind 6-10 kt should increase to 8-14 kt
during the next few hours and continue through Friday; there should
be some gusts to around 22 kt.VFR CIGS generally 035-050 with the
front tonight and the post-frontal trough on Friday.

There is a 20 percent chance of a thunderstorm in the vicinity of
ksea Friday afternoon or evening. Mcdonnal

Marine A vigorous pacific frontal system over the coastal
waters this evening will move across western washington tonight.

The front should produce gales over the coastal waters, at the east
entrance strait of juan de fuca, and in the northern inland waters.

A trough will follow the front on Friday, and we should have at
least marginal small craft advisory winds for most of the coastal
and inland waters. Weak high pressure will move across the region
Saturday for lighter winds. The next frontal system will move
through the area Sunday night, with another front approaching on
Tuesday. Both of these systems look relatively weak, with gales
unlikely. Mcdonnal

Hydrology River flooding is unlikely over the next 7 days.

Sew watches/warnings/advisories
Wa... Winter weather advisory until 11 am pdt Friday for cascades of
pierce and lewis counties-cascades of whatcom and skagit
counties.

Pz... Small craft advisory from 3 am Friday to 5 am pdt Saturday for
coastal waters from CAPE flattery to james island 10 to 60
nm-coastal waters from CAPE flattery to james island out 10
nm-coastal waters from james island to point grenville 10
to 60 nm-coastal waters from james island to point
grenville out 10 nm-coastal waters from point grenville to
cape shoalwater 10 to 60 nm-coastal waters from point
grenville to CAPE shoalwater out 10 nm-east entrance u.S.

Waters strait of juan de fuca-northern inland waters
including the san juan islands.

Gale warning until 3 am pdt Friday for coastal waters from cape
flattery to james island 10 to 60 nm-coastal waters from
cape flattery to james island out 10 nm-coastal waters from
james island to point grenville 10 to 60 nm-coastal waters
from james island to point grenville out 10 nm-coastal
waters from point grenville to CAPE shoalwater 10 to 60 nm-
coastal waters from point grenville to CAPE shoalwater out
10 nm-east entrance u.S. Waters strait of juan de fuca-
northern inland waters including the san juan islands.

Small craft advisory for rough bar until 11 pm pdt Friday for
grays harbor bar.

Small craft advisory until 5 am pdt Saturday for west entrance
u.S. Waters strait of juan de fuca.

Small craft advisory until 6 am pdt Friday for central u.S.

Waters strait of juan de fuca.

Small craft advisory until 5 pm pdt Friday for admiralty inlet-
puget sound and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 18 mi89 min SE 9.9 G 14 45°F 49°F1008.3 hPa
TOKW1 - 9440910 - Toke Point, WA 21 mi47 min SSE 14 G 19 48°F 49°F1008.9 hPa
46211 - Grays Harbor, WA (036) 26 mi43 min 49°F13 ft

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA10 mi72 minENE 126.00 miLight Rain Fog/Mist45°F45°F100%1009 hPa

Wind History from HQM (wind in knots)
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Last 24hrE9E7E7E6E7NE7NE9E9E8E9NE10E11E15E13E10E12E12E6NE11E11E10NE11E11E12
1 day agoNE6E9SE15
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Tide / Current Tables for Cosmopolis, Chehalis River, Grays Harbor, Washington
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Cosmopolis
Click for Map
Fri -- 05:15 AM PDT     3.85 feet Low Tide
Fri -- 05:30 AM PDT     Moonrise
Fri -- 07:09 AM PDT     Sunrise
Fri -- 11:26 AM PDT     10.29 feet High Tide
Fri -- 03:50 PM PDT     Moonset
Fri -- 05:52 PM PDT     1.07 feet Low Tide
Fri -- 07:33 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
9.38.77.56.24.83.94.25.46.88.29.410.210.197.35.33.41.71.11.93.45.27.18.8

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Fri -- 02:46 AM PDT     -1.96 knots Max Ebb
Fri -- 05:31 AM PDT     Moonrise
Fri -- 05:32 AM PDT     0.00 knots Slack
Fri -- 07:10 AM PDT     Sunrise
Fri -- 08:41 AM PDT     1.30 knots Max Flood
Fri -- 11:17 AM PDT     -0.00 knots Slack
Fri -- 02:58 PM PDT     -2.91 knots Max Ebb
Fri -- 03:52 PM PDT     Moonset
Fri -- 06:10 PM PDT     0.00 knots Slack
Fri -- 07:35 PM PDT     Sunset
Fri -- 09:43 PM PDT     1.96 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.5-1.3-1.8-1.9-1.4-0.50.411.31.31.10.3-0.9-2-2.7-2.9-2.5-1.4-0.20.81.51.91.91.5

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 (4,6,7,8)
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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.