Wednesday, March22, 2017 L-36.com


Marine Weather and Tides
Silver Firs, 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 7:02AMSunset 7:27PM Wednesday March 22, 2017 5:29 PM PDT (00:29 UTC) Moonrise 3:08AMMoonset 12:36PM Illumination 22% Phase: Waning Crescent; Moon at 25 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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PZZ134 Admiralty Inlet- 245 Pm Pdt Wed Mar 22 2017
.small craft advisory in effect through Thursday afternoon...
Tonight..S wind 15 to 25 kt becoming se 5 to 15 kt after midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less. A chance of showers.
Thu..SE wind 15 to 25 kt. Wind waves 2 to 4 ft. A slight chance of rain in the afternoon.
Thu night..SE wind 20 to 30 kt easing to 15 to 25 kt after midnight. Wind waves 3 to 5 ft. Rain.
Fri..SE wind 15 to 25 kt becoming S 15 to 20 kt in the afternoon. Wind waves 2 to 4 ft.
Fri night..Light wind becoming se to 10 kt after midnight. Wind waves 1 ft or less.
Sat..SE wind to 10 kt becoming variable in the afternoon. Wind waves 1 ft or less.
Sat night..NW wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Sun..SE wind to 10 kt. Wind waves 1 ft or less.
Mon..SE wind to 10 kt becoming nw. Wind waves 1 ft or less.
PZZ100 245 Pm Pdt Wed Mar 22 2017
Synopsis for the northern and central washington coastal and inland waters..A surface trough along the coast will move inland this evening. Associated strong low level onshore flow should ease. A pacific frontal system is expected to move onshore Thursday night will potential gale force winds along the coast. Weak higher pres is forecast to build over the region Saturday. The next pacific frontal system is expected to move through the region Sunday night.

7 Day Forecast for Marine Location Near Silver Firs, WA
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location: 47.88, -122.16     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 222238
afdsew
area forecast discussion
national weather service seattle wa
338 pm pdt Wed mar 22 2017

Synopsis Showers will taper tonight, then Thursday morning is
likely to be dry. The next system will approach the area Thursday
with rain beginning along the coast in the afternoon. The slow
moving front will not move completely through the area until Friday.

Post frontal showers will diminish Saturday with more weather systems
arriving late Sunday and again Wednesday.

Short term The upper trough appears to be just inland from the
coast, where radar shows a pretty good band of showers holding
together. This band of showers will move through the puget sound
area late this afternoon. Showers will diminish in the evening, with
only the mountains, coast, and perhaps a convergence zone north of
seattle retaining any shower activity. The breezy conditions around
the area this afternoon will also taper overnight.

High pressure will briefly build over the region tonight. This will
keep most of the forecast area dry later tonight and Thursday
morning, with inland areas probably remaining dry into Thursday
afternoon. Rain will develop on the coast in the afternoon, and
clouds will increase everywhere. Temperatures will be a few degrees
higher than today.

Rain will spread over the entire area Thursday night as a cold front
approaches the coast. Frontal passage will not occur until the
morning hours on Friday as a digging upper level trough behind the
front slows the eastward progress of the system. There will be
plenty of shower activity behind the front Friday afternoon. Lows
Thursday night will be in the 40s with highs on Friday only a few
degrees warmer than the lows, in the upper 40s to mid 50s.

High pressure will again build briefly over the area on Saturday,
with likely pops Friday evening diminishing to low chance pops by
Saturday afternoon. Saturday will be a few degrees cooler. Burke

Long term The euro and GFS are in broad agreement. The next
system arrives from the southwest Sunday afternoon and evening.

Monday will be showery. Tuesday will be mostly dry. Another system
arrives around Wednesday. The best chance for rain will be on the
coast and in the mountains. High temperatures will probably be
within a few degrees of normal. Burke

Aviation An upper trough will zip across southwest b.C. Early
this evening. An upper ridge will briefly build into western
washington on Thu morning with a decrease in showers and clearing
low clouds. Then an offshore trough late Thursday will start to
draw a warm front northward through the region, with a return of
thickening clouds and rain on Thu pm. Moderate west flow aloft
tonight, becoming strong southwest flow aloft late Thursday. Moist
and somewhat unstable air mass through Thursday morning, becoming
more stable on Thursday afternoon and evening.

Ksea... Broken clouds expected for much of this evening in the
030-040 range. Expect some passing showers through 6 pm, then
showers tapering off. CIGS may fall briefly into the 020-030
range overnight. Then a drying easterly component to the low-
level flow will develop early Thu morning, which will help clouds
below 050 to scatter out for late Thu morning and Thu afternoon.

Warm front will arrive on Thu evening with thickening clouds and
some rain. Haner

Marine Surface trough and cold front about to exit east of
puget sound. Westerly gales expected through the strait this
evening. A warm front will spread up from the south late thu,
which will bring a round of southeasterly gales to the coastal
waters, the eastern half of the strait, and the northern inland
waters on Thu pm. Winds easing Friday. Surface high pressure
centered over western washington on Saturday will lead to light
winds. Haner

Hydrology The white river at r street near auburn is forecast to
remain near flood stage through Thursday evening, primarily due to
releases from mud mountain dam. Elsewhere, river flooding is not
expected for the next 7 days.

With more rain on the way, the landslide threat will increase on
Friday with the elevated threat continuing into the weekend. Burke

Sew watches/warnings/advisories
Wa... None.

Pz... Small craft advisory until 10 am pdt Thursday 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.

Gale warning from 10 am to 11 pm pdt Thursday 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.

Gale watch from Thursday evening through late Thursday night for
central u.S. Waters strait of juan de fuca-east entrance
u.S. Waters strait of juan de fuca-northern inland waters
including the san juan islands.

Gale warning until 9 pm pdt this evening for central u.S. Waters
strait of juan de fuca-east entrance u.S. Waters strait of
juan de fuca.

Small craft advisory until 6 pm pdt Thursday for admiralty inlet-
northern inland waters including the san juan islands-west
entrance u.S. Waters strait of juan de fuca.

Small craft advisory until 9 am pdt Thursday for puget sound and
hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EBSW1 - 9447130 - Seattle, WA 21 mi41 min SSW 14 G 22 51°F 47°F1013.4 hPa
WPOW1 - West Point, WA 21 mi29 min S 24 G 28 49°F 1012.3 hPa (+1.6)44°F
PTWW1 - 9444900 - Port Townsend, WA 36 mi41 min SW 7 G 11
TCNW1 - 9446484 - Tacoma, WA 44 mi47 min 49°F 47°F1014.3 hPa
TCMW1 - 9446482 - Tacoma Met, WA 44 mi41 min SW 11 G 20
PBFW1 - Padilla Bay Reserve, WA 44 mi59 min SSW 17 53°F 1010 hPa43°F
SISW1 - Smith Island, WA 47 mi29 min W 25 G 27 47°F 1010.5 hPa (+2.5)

Wind History for Seattle, Puget Sound, WA, WA
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NW11
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA7 mi36 minSSE 26 G 3710.00 miPartly Cloudy and Windy51°F41°F69%1011.1 hPa
Arlington Municipal, WA20 mi34 minS 19 G 2710.00 miOvercast and Breezy54°F37°F54%1011.5 hPa

Wind History from PAE (wind in knots)
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Last 24hrE8E6SE54E5E74SE7E4E95SE7SE11SE11SE9SE11SE8S13S15S19S24
G32
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G31
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SE26
G37
1 day agoCalmS5E3NE3E5E6E6E8E7E7S6SE4E7E6E9
G17
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E5SE7SE11SE10E8SE10
G16
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2 days agoNW8NW8
G16
NW9NW8NW6N7NW7NW3NW5NW6NW6NW5N6NW5NW7NW5N64NW6NW5N6NW3NW5N5

Tide / Current Tables for Everett, Washington
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Everett
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Wed -- 02:29 AM PDT     9.51 feet High Tide
Wed -- 04:07 AM PDT     Moonrise
Wed -- 07:06 AM PDT     Sunrise
Wed -- 08:31 AM PDT     6.87 feet Low Tide
Wed -- 12:53 PM PDT     8.28 feet High Tide
Wed -- 01:36 PM PDT     Moonset
Wed -- 07:25 PM PDT     Sunset
Wed -- 07:37 PM PDT     1.48 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.29.19.59.59.18.57.87.26.96.97.27.68.18.37.975.74.12.61.71.52.23.55.2

Tide / Current Tables for President Point, 1.5 mile E of, Washington Current
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President Point
Click for MapFlood direction 203 true
Ebb direction 24 true

Wed -- 02:08 AM PDT     -0.00 knots Slack
Wed -- 04:07 AM PDT     Moonrise
Wed -- 04:50 AM PDT     -0.29 knots Max Ebb
Wed -- 07:07 AM PDT     Sunrise
Wed -- 09:48 AM PDT     0.00 knots Slack
Wed -- 10:16 AM PDT     0.03 knots Max Flood
Wed -- 11:59 AM PDT     -0.00 knots Slack
Wed -- 01:37 PM PDT     Moonset
Wed -- 04:19 PM PDT     -0.45 knots Max Ebb
Wed -- 07:25 PM PDT     Sunset
Wed -- 08:51 PM PDT     0.00 knots Slack
Wed -- 11:17 PM PDT     0.32 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.10-0.1-0.3-0.3-0.3-0.2-0.1-000-0-0.1-0.2-0.4-0.4-0.4-0.4-0.3-0.100.20.3

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 (20,4,5,8)
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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.