Friday, October20, 2017 L-36.com


Marine Weather and Tides
Eastmont, 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 7:35AMSunset 6:10PM Friday October 20, 2017 9:23 AM PDT (16:23 UTC) Moonrise 7:20AMMoonset 6:07PM Illumination 0% Phase: New Moon; Moon at 0 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- 851 Am Pdt Fri Oct 20 2017
.small craft advisory in effect from 1 pm pdt this afternoon through Saturday afternoon...
Today..SE wind to 10 kt becoming S 15 to 25 kt in the afternoon. Wind waves 1 ft or less building to 2 to 4 ft in the afternoon. Showers likely in the morning then showers in the afternoon.
Tonight..S wind 15 to 25 kt becoming se after midnight. Wind waves 2 to 4 ft. A chance of showers.
Sat..SE wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain.
Sat night..SE wind 5 to 15 kt in the evening becoming light. Wind waves 2 ft or less.
Sun..Light wind. Wind waves less than 1 ft.
Sun night..Light wind. Wind waves less than 1 ft.
Mon..Light wind. Wind waves less than 1 ft.
Tue..NW wind to 10 kt becoming light. Wind waves 1 ft or less.
PZZ100 851 Am Pdt Fri Oct 20 2017
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will prevail today. A vigorous pacific frontal system will move through the area Saturday and Sunday, with southeast gales possible over the coastal waters and some of the inland waters of western washington on Saturday. Weak offshore flow will develop Monday.

7 Day Forecast for Marine Location Near Eastmont, WA
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location: 47.95, -122.22     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 201051
afdsew
area forecast discussion
national weather service seattle wa
330 am pdt Fri oct 20 2017

Synopsis Showers will continue over the area through tonight with
lowering snow levels and some mountain snow. The next strong storm
system will affect the region over the weekend. Rain will increase
Saturday and become heavy at times, especially over the coast and
mountains. Snow accumulation in the cascades may also be significant
on Saturday before snow levels rise. Some area river are at risk of
flooding and windy conditions are likely at times. Drier weather
develops Monday and Tuesday. Some light rain is possible Wednesday,
then drier weather returns Thursday.

Short term A cool and showery pattern will persist through tonight
between weather systems. Snow level are falling with snow
accumulation likely in the mountains, mainly above 4000 feet. Meso
models show a strong convergence zone forming this afternoon through
this evening, affecting king and snohomish counties. This will
produce locally heavy precipitation from around north seattle to
everett and east over the cascades. Locally heavy snow in the
cascades of king and snohomish counties could produce 4 to 10 inches
of snow above 4000 feet by late tonight, including stevens pass.

It will be unstable today, with the best instability near the coast.

Kept a mention of isolated thunderstorms in the central north coast
zones today. A strike or two could occur further inland but not
worth adding to the forecast given the low probability.

A warm front will bring rain to the coast late tonight and spread
into the rest of western washington Saturday morning. The heaviest
rain with the warm front will first reach western oregon, then lift
north over western washington late Saturday afternoon and evening.

The associated cold front will reach the area by Sunday morning with
rain eventually easing to showers late in the day. Total rain
amounts could exceed the last storm, especially over the
south central cascades where 4 to 7 inches could fall through
Sunday. Locally higher amounts are possible. Heaviest rain amounts,
up to 3 inches are possible from roughly olympia southward with 1 to
2 inches north over the rest of the area. This will likely result in
minor flooding on some area rivers. See the hydrology section below
and flood watch statement for current details.

Long term Residual showers will decrease and end Monday as high
pressure aloft quickly builds north over the region. Dry weather is
expected across the area Monday night and Tuesday with partial
sunshine and a little warmer daytime temperatures.

Most models still bring a weak front through the area on Wednesday.

This will be a progressive front, so light rain will not stick
around for long. River flooding with this system is not a concern. A
return to dry weather is expected Thursday. Mercer

Aviation An upper trough over the area today will shift inland
tonight. A warm front will move into the area from the west late
tonight. The flow aloft will be westerly. At the surface, onshore
flow today will turn easterly tonight. The air mass will be moist
and unstable today. It will remain moist tonight and become
stable. In general, ceilings will be generallyVFR today. There
will be some lower ceilings, mostly in and around scattered
showers.

An upper short wave should cause an uptick in showers this
afternoon as it moves through. Showers should taper and most of
the lower clouds should be gone by this evening as the short wave
exits. The exception will be in a puget sound convergence zone
which will be north of seattle this evening.

Ksea... MVFR low clouds will linger this morning although ceilings
could pop up to a mid level deck at times. The low clouds are
expected to be mostly gone by afternoon except perhaps near
showers. Ceilings will lower again late tonight and Saturday
morning as a warm front arrives. South wind 7-13 knots. Schneider

Marine Onshore flow today will turn easterly tonight ahead of
an approaching warm front. Small craft advisory winds will
develop over most of the waters today; the strongest winds will
likely be the westerlies in the central and eastern strait of juan
de fuca. Gales are not out of the question in the strait but they
would be marginal and brief at best.

A fairly strong frontal system will move through the area
Saturday and Sunday, with widespread small craft advisory winds.

Gales are possible over the coastal waters, entrances to the
strait, and northern inland waters late tonight and Saturday
morning. There could be another period of gales over the coastal
waters Saturday evening, especially south part.

Onshore flow behind the frontal system will ease and eventually
turn weakly offshore later Monday and continue Tuesday.

West swells of 16 to 19 feet over the coastal waters will
gradually subside today and tonight. Schneider

Hydrology Models remaining consistent on the 00z run
indicating a heavy rain event Saturday afternoon through Sunday
morning. The heaviest rain will fall Saturday night. Focus of
heavier rainfall will be in cascades from about stevens pass
southward, with less in the north cascades and olympics. The ecmwf
which was showing heavy rain over the north cascades Saturday
night is more in line with the other models on the 00z run
focusing the heaviest precipitation in the central and southern
cascades. Forecast precipitation amounts for Saturday through
Sunday morning range from 4 to 7 inches from stevens pass
southward in the cascades with the higher amounts around mount
rainier to 2 to 4 inches in the olympics and north cascades.

The river model continues to show minor flooding on most rivers
flowing off the cascades from the skykomish river southward, with
a few rivers cresting in the moderate flood category. Flooding
will occur mainly late Saturday night into Sunday from the heavy
rain Saturday night.

A small shift in the pattern could still push some of the heavier
rain into the olympics and north cascades Saturday night into
Sunday. For this reason will stay with a flood watch for all of
western washington except island and san juan counties from 5 pm
Saturday afternoon through 5 pm Sunday afternoon. Felton

Sew watches warnings advisories
Wa... Flood watch from Saturday afternoon through Sunday afternoon for
admiralty inlet area-bellevue and vicinity-bremerton and
vicinity-cascades of pierce and lewis counties-cascades of
snohomish and king counties-cascades of whatcom and skagit
counties-central coast-east puget sound lowlands-eastern
strait of juan de fuca-everett and vicinity-hood canal area-
lower chehalis valley area-north coast-olympics-seattle and
vicinity-southwest interior-tacoma area-western skagit
county-western strait of juan de fuca-western whatcom
county.

Winter weather advisory from 1 pm this afternoon to midnight pdt
tonight for cascades of snohomish and king counties.

High surf advisory until 6 am pdt early this morning for central
coast-north coast.

Pz... Small craft advisory for rough bar until 6 pm pdt this evening
for grays harbor bar.

Gale watch from late tonight through Saturday morning 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.

Small craft advisory until 1 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.

Gale watch from late tonight through Saturday afternoon for east
entrance u.S. Waters strait of juan de fuca-northern inland
waters including the san juan islands.

Small craft advisory from 1 pm this afternoon to 3 am pdt
Saturday for east entrance u.S. Waters strait of juan de
fuca.

Small craft advisory from 1 pm this afternoon to 11 pm pdt this
evening for northern inland waters including the san juan
islands.

Small craft advisory for hazardous seas until midnight pdt
tonight for west entrance u.S. Waters strait of juan de
fuca.

Small craft advisory from 1 pm this afternoon to 5 pm pdt
Saturday for admiralty inlet-central u.S. Waters strait of
juan de fuca.

Small craft advisory from 11 am this morning to 11 pm pdt this
evening for puget sound and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46120 16 mi129 min SW 7.8 51°F 1003 hPa46°F
WPOW1 - West Point, WA 23 mi143 min S 12 G 13 51°F 1003.9 hPa (+2.3)47°F
PTWW1 - 9444900 - Port Townsend, WA 31 mi131 min SE 7 G 9.9 47°F 50°F1003.8 hPa
PBFW1 - Padilla Bay Reserve, WA 38 mi173 min S 4.1 45°F 1003 hPa44°F
SISW1 - Smith Island, WA 42 mi143 min SE 17 G 18 48°F 1002.6 hPa (+2.0)
TCMW1 - 9446482 - Tacoma Met, WA 48 mi125 min SW 6 G 13
TCNW1 - 9446484 - Tacoma, WA 48 mi131 min 48°F 54°F1004.8 hPa

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA4 mi30 minSSE 1210.00 miOvercast47°F46°F97%1004.7 hPa
Arlington Municipal Airport, WA15 mi27 minno data10.00 miOvercast48°F45°F89%1005.1 hPa

Wind History from PAE (wind in knots)
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SE11SE13SE10S13S7SW93S4S6SE8SE8SE10SE12
1 day agoSE13
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2 days agoSW7CalmNE4345NE4NE4NW6NW3N3E5E44E6E6E6E5SE8SE75E4SE8SE14

Tide / Current Tables for Everett, Washington
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Everett
Click for Map
Fri -- 06:18 AM PDT     10.47 feet High Tide
Fri -- 07:36 AM PDT     Sunrise
Fri -- 08:19 AM PDT     Moonrise
Fri -- 11:59 AM PDT     3.96 feet Low Tide
Fri -- 05:42 PM PDT     10.64 feet High Tide
Fri -- 06:10 PM PDT     Sunset
Fri -- 07:07 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.41.33.25.689.710.410.39.37.75.94.544.55.87.59.210.410.69.88.15.83.21.1

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

Fri -- 12:48 AM PDT     0.00 knots Slack
Fri -- 03:01 AM PDT     0.47 knots Max Flood
Fri -- 06:37 AM PDT     -0.00 knots Slack
Fri -- 07:36 AM PDT     Sunrise
Fri -- 08:20 AM PDT     Moonrise
Fri -- 09:06 AM PDT     -0.50 knots Max Ebb
Fri -- 01:10 PM PDT     0.00 knots Slack
Fri -- 02:57 PM PDT     0.30 knots Max Flood
Fri -- 05:55 PM PDT     -0.00 knots Slack
Fri -- 06:11 PM PDT     Sunset
Fri -- 07:08 PM PDT     Moonset
Fri -- 09:04 PM PDT     -0.67 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.20.10.40.50.40.30.1-0.1-0.4-0.5-0.5-0.4-0.2-00.20.30.30.1-0-0.3-0.6-0.7-0.6-0.5

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 (12,3,4,5)
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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.