Saturday, January20, 2018 L-36.com


Marine Weather and Tides
Longbranch, WA

Version 3.4
What's New / NOTES
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.
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.

Sunrise 7:46AMSunset 4:59PM Saturday January 20, 2018 6:23 PM PST (02:23 UTC) Moonrise 9:47AMMoonset 8:49PM Illumination 19% Phase: Waxing Crescent; Moon at 4 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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PZZ135 Puget Sound And Hood Canal- 258 Pm Pst Sat Jan 20 2018
.gale warning in effect from 10 pm pst this evening through Sunday morning...
Tonight..S wind 15 to 25 kt rising to 20 to 30 kt after midnight. Wind waves 3 to 5 ft. Rain likely in the evening then a chance of rain after midnight.
Sun..S wind 25 to 35 kt easing to 15 to 25 kt in the afternoon. Wind waves 4 to 6 ft subsiding to 2 to 4 ft in the afternoon. Rain in the morning then showers in the afternoon.
Sun night..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Showers likely in the evening then a chance of showers after midnight.
Mon..S wind 15 to 25 kt easing to 5 to 15 kt in the afternoon. Wind waves 2 to 4 ft subsiding to 2 ft or less in the afternoon.
Mon night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Tue..SE wind 5 to 15 kt. Wind waves 2 ft or less.
Tue night..SE wind 5 to 15 kt. Wind waves 2 ft or less.
Wed..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Thu..S wind 20 to 30 kt easing to 15 to 25 kt. Wind waves 3 to 5 ft.
PZZ100 258 Pm Pst Sat Jan 20 2018
Synopsis for the northern and central washington coastal and inland waters..A strong cold front will move east across the waters early Sunday morning, preceded by storm force winds over the coastal waters and the east entrance to the strait. The remaining waters will see gales late tonight into Sunday morning. Weaker southerly onshore flow will then follow from Sunday afternoon through Monday morning. A warm front on Tuesday will cause east to southeast gradients to become strong. Beyond Tuesday, a series of fronts will continue to bring active weather to the waters through the week ahead.

7 Day Forecast for Marine Location Near Longbranch, WA
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location: 47.17, -122.87     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 202315
afdsew
area forecast discussion
national weather service seattle wa
315 pm pst Sat jan 20 2018

Synopsis A strong front will move through the area tonight and
Sunday morning. Another strong front should cross western washington
Tuesday night and Wednesday. A cool showery upper trough will reach
the area Thursday.

Short term A strong front will move through western washington
Sunday morning. Strong southeasterly gradients will develop and a
high wind warning is in effect for the typical windy spots--which
is the coast and the north. There will be heavy rain and snow and
windy weather in the olympics, and the north cascades and baker
ought to do pretty well for heavy snow with this front, so the
watch became a warning. The main cascade passes snow will warrant
a lesser winter weather advisory.

The skokomish river in mason county should get up above flood stage
for some minor flooding Sunday afternoon and evening after heavy
falls in the lower elevations of the olympics--strong south flow
aloft ought to give the lower terrain up to three inches of rain
from this front.

Behind the front the precip will turn showery and the air should be
unstable enough for a few thunderstorms--mainly along the coast
Sunday afternoon or evening. Showery weather will continue for the
first part of the week.

Long term A vigorous frontal system is likely midweek,
followed by a cool showery upper trough. It is a little early to
sort out the details, but the pattern certainly looks good for
continuing to build the snowpack.

Hydrology The skokomish river in mason county has a good
chance to get above flood stage Sunday afternoon or evening,
otherwise river flooding is not expected for the next 7 days.

Rainfall through Sunday will probably push the USGS landslide
indices close to thresholds for shallow landslides.

Aviation A strong cold front will reach the coast and move
inland on Sunday morning. S-se surface wind will become strong in
advance of the front tonight. Strong 850-700 mb winds will peak
near 70 knots from the southwest on Sunday morning. The air mass
will be moist and somewhat stable. A few hours of heavier rain
are expected Sunday morning, just in advance of the front.

Easterly wind component will generally hold CIGS above 025, except
lower near hood canal.

Ksea... A few passing showers til 02z (6 pm), then dry for this
evening. CIGS will slowly lift through this evening as low-level
wind takes on a drying easterly component. S-sw winds aloft will
strengthen this evening and overnight, meeting the criteria to
include low-level wind shear in the TAF after 04z (8 pm). Strong
winds aloft expected Sunday morning. Winds aloft will peak 15z-18z
Sunday morning. At 045 will peak SW 65 knots, and 2000-foot winds
will peak southerly around 50 knots. Haner

Marine East-southeast gradient will tighten significantly
tonight in advance of a strong cold front that will cross the
waters on Sunday morning. Storm-force winds to near 50 kt appear
likely over the coastal waters and at the east entrance, but
cannot be ruled out over the northern inland waters. The remaining
inland waters will likely see gale force winds. In puget sound,
gales should mainly be confined to the north end of the sound.

Once the front passes late Sunday morning, winds will ease
somewhat abruptly.

Weaker southerly onshore flow will then follow from Sunday
afternoon through Monday morning. A warm front on Tuesday will
cause east to southeast gradients to become strong. Beyond
Tuesday, a series of fronts will continue to bring active weather
to the waters through the week ahead. Haner

Sew watches warnings advisories
Wa... Winter weather advisory from 10 pm this evening to 9 am pst
Monday for cascades of pierce and lewis counties-cascades
of snohomish and king counties.

Winter storm warning from 10 pm this evening to 9 am pst Monday
for cascades of whatcom and skagit counties-olympics.

Flood watch from late tonight through Sunday evening for hood
canal area-lower chehalis valley area-olympics.

Wind advisory from 10 pm this evening to noon pst Sunday for
everett and vicinity-hood canal area.

High wind warning from 8 pm this evening to noon pst Sunday for
admiralty inlet area-san juan county-western skagit county-
western whatcom county.

High wind warning from 6 pm this evening to 10 am pst Sunday for
central coast-north coast.

Wind advisory from 10 pm this evening to 10 am pst Sunday for
eastern strait of juan de fuca.

Pz... Small craft advisory for rough bar until 9 pm pst Monday for
grays harbor bar.

Storm warning from 6 pm this evening to 9 am pst Sunday 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.

Storm warning from 6 pm this evening to noon pst Sunday for east
entrance u.S. Waters strait of juan de fuca.

Gale warning from 6 pm this evening to noon pst Sunday for
admiralty inlet-northern inland waters including the san
juan islands.

Gale warning from 6 pm this evening to 9 am pst Sunday for west
entrance u.S. Waters strait of juan de fuca.

Gale warning from 6 pm this evening to 10 am pst Sunday for
central u.S. Waters strait of juan de fuca.

Gale warning from 10 pm this evening to 10 am pst Sunday for
puget sound and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCNW1 - 9446484 - Tacoma, WA 25 mi54 min 47°F 49°F1017 hPa
TCMW1 - 9446482 - Tacoma Met, WA 25 mi54 min SSE 8.9 G 12
WPOW1 - West Point, WA 41 mi84 min SSE 19 G 20 46°F 1015.7 hPa (-0.9)42°F
EBSW1 - 9447130 - Seattle, WA 41 mi54 min SSE 8 G 15 47°F 48°F1016.3 hPa
46120 48 mi45 min SW 19 48°F 1014.4 hPa41°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Olympia, Olympia Airport, WA13 mi30 minS 1210.00 miMostly Cloudy45°F42°F90%1016.5 hPa
Shelton, Shelton Sanderson Field, WA15 mi31 minSSE 710.00 miOvercast44°F42°F93%1015.2 hPa
Fort Lewis / Gray U. S. Army Airfield, WA16 mi86 minSSE 1310.00 miOvercast46°F45°F99%1017.1 hPa
Tacoma, Tacoma Narrows Airport, WA17 mi31 minS 1310.00 miOvercast45°F39°F83%1016.2 hPa
Tacoma / McChord Air Force Base, WA21 mi86 minS 1010.00 miLight Rain45°F44°F98%1017.2 hPa
Bremerton, Bremerton National Airport, WA22 mi28 minS 11 G 2110.00 miOvercast43°F41°F93%1016.8 hPa

Wind History from OLM (wind in knots)
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Last 24hrS11S10SW11S8S8S6S7S9SW5SW6SW4S5SW8SW5S6S9S10S10S12
G18
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1 day agoS9S6S9S9S10S9S14S10S11S13S9S12S13
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2 days agoS7S7S8S10S12
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G20
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Tide / Current Tables for Henderson Inlet, Washington
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Henderson Inlet
Click for Map
Sat -- 01:24 AM PST     -0.23 feet Low Tide
Sat -- 07:49 AM PST     Sunrise
Sat -- 08:21 AM PST     15.33 feet High Tide
Sat -- 09:46 AM PST     Moonrise
Sat -- 02:24 PM PST     6.11 feet Low Tide
Sat -- 04:55 PM PST     Sunset
Sat -- 07:08 PM PST     11.84 feet High Tide
Sat -- 08:49 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.2-0.10.11.94.98.311.614.115.215.113.811.89.47.36.26.47.79.41111.811.510.185.6

Tide / Current Tables for Dana Passage, Washington Current
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Dana Passage
Click for Map
Sat -- 01:58 AM PST     0.00 knots Slack
Sat -- 04:41 AM PST     2.19 knots Max Flood
Sat -- 07:49 AM PST     Sunrise
Sat -- 08:25 AM PST     -0.00 knots Slack
Sat -- 09:47 AM PST     Moonrise
Sat -- 11:04 AM PST     -1.89 knots Max Ebb
Sat -- 02:55 PM PST     0.00 knots Slack
Sat -- 04:48 PM PST     1.10 knots Max Flood
Sat -- 04:56 PM PST     Sunset
Sat -- 07:16 PM PST     -0.00 knots Slack
Sat -- 08:49 PM PST     Moonset
Sat -- 10:32 PM PST     -2.64 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-2-1.101.122.21.81.10.3-0.7-1.6-1.9-1.8-1.4-0.80.10.91.10.80.2-0.8-1.9-2.5-2.6

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 (21,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.