Tuesday, March28, 2017 L-36.com


Marine Weather and Tides
Lacey, 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 6:53AMSunset 7:38PM Tuesday March 28, 2017 6:56 AM PDT (13:56 UTC) Moonrise 6:35AMMoonset 7:35PM Illumination 1% Phase: Waxing Crescent; Moon at 1 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- 253 Am Pdt Tue Mar 28 2017
.small craft advisory in effect through late tonight...
Today..S wind 20 to 30 kt. Wind waves 2 to 5 ft. Rain.
Tonight..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain.
Wed..S wind 20 to 30 kt. Wind waves 2 to 5 ft. Rain tapering off to showers.
Wed night..SW wind 15 to 25 kt...easing late. Wind waves 1 to 4 ft...subsiding.
Thu..Variable wind 10 kt or less. Wind waves 1 ft or less.
Thu night..NW wind 10 kt or less. Wind waves 1 ft or less.
Fri..Variable wind 10 kt or less. Wind waves 1 ft or less.
Sat..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
PZZ100 253 Am Pdt Tue Mar 28 2017
Synopsis for the northern and central washington coastal and inland waters..The southern end of a frontal system will move across the washington coastal waters during the day today. Expect a warm front to move across the area late tonight...followed by a cold front on Wed. High pres offshore with lower pres inland will result in westerly flow on Thu.

7 Day Forecast for Marine Location Near Lacey, WA
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location: 47.03, -122.79     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 281022
afdsew
area forecast discussion
national weather service seattle wa
322 am pdt Tue mar 28 2017

Synopsis Two frontal systems in quick succession will bring
periods of rain to western washington today through Wednesday,
along with locally windy conditions. An upper trough will follow
on Thursday for showers and Sun breaks, and an upper ridge will
bring dry weather Friday. Weak fronts will move through the area
this weekend with a chance of rain in the forecast.

Short term A warm front is spreading precipitation into
western washington early this morning, as it moves over the north
side of the flat upper ridge over the pacific northwest. Southerly
winds have also started increasing, with gusts of 25 to 35 mph at
the north coast and in the interior from around everett
northward. At 3 am, temperatures were in the mid 40s.

This first frontal system will move through the forecast area
today and this evening. The north washington coast and the
olympics will receive the heaviest precipitation amounts, around 1
to 2.5 inches, with the snow level gradually rising from 3500 ft
to around 6500 ft. Precipitation amounts in the cascades will
generally range from 0.5 inch in the south to 1.5 inches in the
north. And in the interior lowlands up to an inch of rain will
fall, but much of the seattle metropolitan area will get 0.25 inch
or less due to rain shadowing from the olympic mountains. This
system should bring windy conditions to the coast and northwest
interior, with gusts to around 40 mph.

Another frontal wave will arrive late tonight, with no discernible
break between systems for much of the area. It will bring another
1 to 2 inches of precipitation to the olympics and cascades, with
the snow level 5000 to 6500 feet. The coast should receive up to
1.5 inches of rain, with up to an inch in the interior lowlands.

Precipitation should turn to showers and decrease Wednesday
afternoon and evening, and the snow level will fall to around 3500
ft late Wednesday night. This feature should also bring breezy to
windy weather to much of the area, but even in the windiest spots
gusts should be limited to around 40 mph.

An upper trough will follow on Thursday, probably during the
morning, for cooler showery weather. The lowlands should have
partly sunny skies in the afternoon, or at least some Sun breaks,
as showers generally decrease. The snow level in the mountains
will be around 3000 ft, and around 2 to 4 inches of snow is
likely.

Daytime highs in the western washington lowlands will be mainly in
the lower to mid 50s today through Thursday. Overnight lows will
be in the mid 40s tonight, then fall into the mid 30s to lower 40s
Thursday night. Mcdonnal

Long term Models agree than an upper ridge will progress across
the pacific northwest on Friday, and it should be a day of dry
weather for western washington. Westerly flow will develop behind
the ridge Friday night, with a couple relatively weak systems
bringing a chance of rain and some mountain snow to the forecast
area Saturday and Sunday. The snow level should be around 5000 ft
Saturday and 4000 ft Sunday. An upper trough will follow the
second system late Sunday or Sunday night for a partly sunny day
with a chance of showers on Monday. Mcdonnal

Aviation Strong wly flow aloft will persist over the region
today. A weak upper level disturbance embedded in this flow will
move across the area during the day today. Moderate low level sly
flow will continue. Expect fairly wdsprd MVFR cigs/vsbys to dvlp
this morning. Conditions will improve somewhat this afternoon. The
mtns will be obscd thru at least this morning, possibly becmg partly
obscd this afternoon.

Ksea... No major changes from the previous thinking. MVFR CIGS will
prevail this morning. CIGS will probably lift into theVFR category
this afternoon before lowering back into the MVFR category range
tonight. Winds will remain sly 9-15 kt, with gusts near 25 kt late
this morning thru this afternoon.

Marine
The southern end of a frontal system will move across the wa coastal
waters during the day today. Expect a warm front to move across the
area late tonight, followed by a cold front on Wednesday. The
Wednesday system now appeared weaker than earlier advertised;
therefore, the threat of gale force winds have diminished. A 1030 mb
high over the offshore waters with lower pressure inland will result
in onshore or westerly flow on Thursday.

Hydrology Two frontal systems will move through western
washington in quick succession today through Wednesday, bringing
48-hour precipitation totals of 2 to 4 inches to the olympics and
cascades for the period 5 am this morning through 5 am Thursday
morning. The snow level will rise from around 3500 ft this morning
to around 6000 to 6500 ft tonight, then fall to around 3500 ft
again late Wednesday night.

The skokomish river will probably flood tonight or Wednesday on
account of the rainfall. A flood watch is in effect for mason
county for this likelihood. Soils across western washington are
exceptionally saturated for late march, so these rainfall amounts
could drive some of the other flood-prone rivers close to flood
stage on Wednesday; however, no river other than the skokomish is
forecast to reach flood stage at this time.

Much of the western washington lowlands will receive an inch or
more of rain today through Wednesday which, combined with the
saturated soils, will further elevate the risk of landslides.

Mcdonnal

Sew watches/warnings/advisories
Wa... Flood watch from late tonight through Thursday afternoon for
hood canal area-lower chehalis valley area-olympics.

Pz... Small craft advisory until 6 am pdt Wednesday for admiralty
inlet-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-puget sound and hood
canal.

Small craft advisory for rough bar until 9 pm pdt this evening
for grays harbor bar.

Small craft advisory until 6 pm pdt this evening for 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
46121 18 mi36 min 14 46°F 1022.4 hPa42°F
TCNW1 - 9446484 - Tacoma, WA 26 mi51 min 46°F 46°F1023.8 hPa
TCMW1 - 9446482 - Tacoma Met, WA 26 mi39 min SSE 6 G 8
EBSW1 - 9447130 - Seattle, WA 46 mi39 min SE 11 G 14 47°F 47°F1023.1 hPa
WPOW1 - West Point, WA 48 mi57 min S 21 G 24 47°F 1022.1 hPa (-1.4)41°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Olympia, Olympia Airport, WA7 mi63 minS 159.00 miLight Rain45°F43°F93%1023.4 hPa
Fort Lewis / Gray U. S. Army Airfield, WA12 mi2 hrsSE 810.00 miOvercast45°F44°F99%1023.8 hPa
Tacoma / McChord Air Force Base, WA19 mi2 hrsS 610.00 miOvercast44°F43°F99%1023.9 hPa
Tacoma, Tacoma Narrows Airport, WA20 mi64 minS 810.00 miLight Rain45°F41°F86%1023.4 hPa
Shelton, Shelton Sanderson Field, WA24 mi64 minSSE 38.00 miLight Rain45°F43°F93%1022.3 hPa

Wind History from OLM (wind in knots)
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1 day agoCalmCalmS5S6S4SW3CalmCalmSE4S5S3SW5S8S8S7S7S5S6S5S4S5SW4S6SW4
2 days agoS8SW6SW5SW6W7SW5W7W7W13
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SW6W7SW4S3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Olympia, Budd Inlet, Puget Sound, Washington
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Olympia
Click for Map
Tue -- 12:30 AM PDT     1.33 feet Low Tide
Tue -- 06:35 AM PDT     15.20 feet High Tide
Tue -- 06:57 AM PDT     Sunrise
Tue -- 07:35 AM PDT     Moonrise
Tue -- 01:01 PM PDT     1.66 feet Low Tide
Tue -- 06:55 PM PDT     14.31 feet High Tide
Tue -- 07:36 PM PDT     Sunset
Tue -- 08:34 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.61.63.46.51013.114.915.113.811.48.252.61.72.658.311.413.614.313.511.68.85.9

Tide / Current Tables for Nisqually Reach, Washington Current
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Nisqually Reach
Click for Map
Tue -- 01:16 AM PDT     0.00 knots Slack
Tue -- 04:04 AM PDT     1.23 knots Max Flood
Tue -- 06:54 AM PDT     -0.00 knots Slack
Tue -- 06:57 AM PDT     Sunrise
Tue -- 07:35 AM PDT     Moonrise
Tue -- 10:26 AM PDT     -1.43 knots Max Ebb
Tue -- 01:39 PM PDT     0.01 knots Slack
Tue -- 04:25 PM PDT     1.24 knots Max Flood
Tue -- 07:13 PM PDT     -0.01 knots Slack
Tue -- 07:35 PM PDT     Sunset
Tue -- 08:33 PM PDT     Moonset
Tue -- 10:45 PM PDT     -1.47 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.9-0.20.511.210.6-0.1-0.7-1.2-1.4-1.4-1.1-0.50.20.81.21.20.70.1-0.5-1.1-1.4-1.5

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 (9,2,3,4)
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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.