Thursday, October19, 2017 L-36.com


Marine Weather and Tides
Gorst, 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 6:14PM Thursday October 19, 2017 2:22 AM PDT (09:22 UTC) Moonrise 6:16AMMoonset 5:42PM Illumination 1% Phase: Waning Crescent; Moon at 29 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- 858 Pm Pdt Wed Oct 18 2017
.small craft advisory in effect until 6 am pdt Thursday...
Tonight..S wind 20 to 30 kt easing to 15 to 25 kt after midnight. Wind waves 2 to 5 ft. Rain.
Thu..S wind 10 to 20 kt. Wind waves 1 to 3 ft. Showers.
Thu night..S wind 10 to 20 kt becoming sw 5 to 15 kt after midnight. Wind waves 1 to 3 ft. Showers.
Fri..S wind 5 to 15 kt becoming sw 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft.
Fri night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sat..SE wind to 10 kt becoming 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Sat night..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Sun..SW wind 15 to 25 kt easing to 5 to 15 kt. Wind waves 2 to 4 ft subsiding to 2 ft or less.
Mon..SE wind to 10 kt becoming light. Wind waves 1 ft or less.
PZZ100 858 Pm Pdt Wed Oct 18 2017
Synopsis for the northern and central washington coastal and inland waters..A front will move inland tonight. Onshore flow will prevail behind the front Thursday and Friday with swells reaching 20 feet over the coastal waters. Another strong frontal system will move through the area Saturday and Sunday. The flow will turn offshore early next week.

7 Day Forecast for Marine Location Near Gorst, WA
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location: 47.47, -122.7     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 190313
afdsew
area forecast discussion
national weather service seattle wa
810 pm pdt Wed oct 18 2017

Synopsis A rather wet front is over western washington this
evening. Heavy rain will turn to showers behind the front Thursday
and the snow level will fall to 3500 feet Friday. Another strong
front will reach the area for the weekend--with another round of
heavy rain. Drier weather is expected to develop early next week as
a ridge of high pressure strengthens.

Short term The olm-bli gradient peaked just under 7mb at 4pm and
has since come down considerably for most of western washington.

Will keep wind advisories up for everett south til 11pm, but ended
the high wind warnings in the north. The rain will only change over
to showers slowly--with the steady precip probably staying hung up
over southwest wa til daybreak. There is a flood watch in effect for
portions of the area as the rivers rise overnight.

Precipitation will taper to showers Thursday through Friday or
Friday night with snow levels gradually falling to 3000-3500 feet
by Friday. Snowfall amounts in the mountains may require the
issuance of a winter weather advisory at times from later Thursday
through Friday.

The air mass is unstable behind the front, and there is a risk of
isolated thunderstorms over the coastal waters and the coastal
zones Thursday and Thursday night. Albrecht

Long term Another strong warm front will lift northward into
western washington on Saturday. An atmospheric river type event
is possible in the warm sector, especially across the southern
half of the forecast area later Saturday through Sunday. It will
also be windy across the region with strong south to southeast
pressure gradients being amplified as the winds aloft interact
with the terrain. While the exact location of the heavy rainfall
axis is still uncertain, model trends appear to be focusing on the
area from everett or seattle southward into extreme northern
oregon. Rainfall will gradually ease on Sunday night and Monday.

An upper ridge is expected to build northward into the pacific
northwest Monday into the middle of next week bringing a change to
dry and mild weather. Albrecht

Aviation A frontal system will sag southeast through the area
tonight with southwest flow aloft and low level onshore flow
behind the front into Thursday. The air mass is moist and stable.

It will become unstable near the coast Thursday.

Ksea... Rain will taper tonight as a front moves inland but low
clouds will remain prevalent through Thursday. South wind will
ease tonight. Schneider

Marine A front will move inland tonight. Gale force winds have
ended. Small craft advisory winds will gradually ease tonight and
Thursday morning. Onshore flow will prevail into Friday. A second
vigorous frontal system will move through the area Saturday and
Sunday. Onshore flow behind the front will ease and eventually
turn weakly offshore later Monday. A 20-24 foot swell train will
affect the coastal waters later Thursday through Friday morning
before easing below 20 feet Friday. Schneider

Hydrology The rain is still hung up over the area and there is
no change in the flood watches. Rainfall rates in the cascades are
generally 0.2 to 0.4 an hour and in the olympics are 0.3 to 0.6 an
hour under the plume. The rivers to watch are the skokomish,
nooksack, stillaguamish, and skagit and so the flood watches
will continue through midday Thursday for snohomish, skagit,
whatcom and mason counties.

Lowland locations from about seattle southward may see urban and
small stream flooding due to the combination of high rain rates
and drainage issues due to leaves clogging drains. This will be
a middle of the night problem and the rain will have turned to
scattered showers in time for the morning commute.

Rivers will recede later Thursday through Friday night as snow
levels drop to 3000-3500 feet and precipitation becomes more
showery.

Hydrologically significant precipitation appears increasingly
likely Saturday through Sunday across the southern half of the
forecast area (especially from a stevens pass-everett-southern
olympics line southward). Many rivers may reach flood stage if
precipitation develops as expected. At this time it appears that
any flooding that occurs will be minor.

Conditions will dry out starting later Sunday or Monday of next
week allowing all rivers to recede.

Sew watches warnings advisories
Wa... Wind advisory until 11 pm pdt this evening for bellevue and
vicinity-bremerton and vicinity-hood canal area-seattle and
vicinity-southwest interior-tacoma area--everett and vcnty.

Flood watch through Thursday morning for bellevue and vicinity-
cascades of snohomish and king counties-cascades of whatcom
and skagit counties-east puget sound lowlands-everett and
vicinity-hood canal area-lower chehalis valley area-
olympics-western skagit county-western whatcom county.

High surf advisory from 11 am Thursday to 6 am pdt Friday for
central coast-north coast.

Pz... Small craft advisory for rough bar until 5 pm pdt Friday for
grays harbor bar.

Small craft advisory until 11 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 until 9 pm pdt this evening 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-puget sound and hood canal.

Small craft advisory until 5 am pdt Thursday for admiralty inlet-
east entrance u.S. Waters strait of juan de fuca-northern
inland waters including the san juan islands.

Small craft advisory until 6 am pdt Thursday for west entrance
u.S. Waters strait of juan de fuca.

Small craft advisory until 6 am pdt Thursday for puget sound and
hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 19 mi82 min SSW 24 G 25 54°F 1002.6 hPa (-0.0)52°F
TCMW1 - 9446482 - Tacoma Met, WA 20 mi52 min SW 8.9 G 14
EBSW1 - 9447130 - Seattle, WA 21 mi52 min S 8 G 15 54°F 54°F1002.7 hPa
TCNW1 - 9446484 - Tacoma, WA 21 mi52 min 55°F 55°F1004 hPa
46120 26 mi48 min W 18 55°F 1001.4 hPa50°F
PTWW1 - 9444900 - Port Townsend, WA 44 mi52 min ESE 2.9 G 6 53°F 51°F1001.4 hPa

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bremerton, Bremerton National Airport, WA4 mi26 minSSW 810.00 miLight Rain51°F50°F96%1004.3 hPa
Tacoma, Tacoma Narrows Airport, WA15 mi29 minSSW 1010.00 miLight Rain52°F50°F93%1003.3 hPa
Seattle, Seattle-Tacoma International Airport, WA21 mi29 minSSW 1010.00 miLight Rain53°F52°F96%1004.1 hPa
Boeing Field - King County International Airport, WA22 mi29 minS 910.00 miLight Rain54°F50°F87%1003.2 hPa
Tacoma / McChord Air Force Base, WA24 mi24 minSSW 1210.00 miLight Rain53°F53°F100%1004.1 hPa

Wind History from PWT (wind in knots)
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Last 24hrCalmCalmSW4SW4SW3SW4SW3S6--S7S13
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1 day agoSW13S12
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N9N8NE9NE6NE5N5NE6CalmCalmCalm
2 days agoCalmCalmSE3CalmCalmCalmSW3W3S6S9S10
G14
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Tide / Current Tables for Wauna, Carr Inlet, Puget Sound, Washington
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Wauna
Click for Map
Thu -- 06:05 AM PDT     12.24 feet High Tide
Thu -- 07:16 AM PDT     Moonrise
Thu -- 07:35 AM PDT     Sunrise
Thu -- 12:02 PM PDT     3.20 feet Low Tide
Thu -- 12:12 PM PDT     New Moon
Thu -- 05:44 PM PDT     13.02 feet High Tide
Thu -- 06:14 PM PDT     Sunset
Thu -- 06:42 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
11.83.96.89.611.512.211.810.48.25.83.93.23.95.88.410.912.61312.110.37.64.62

Tide / Current Tables for Burrows Is - Allan Is channel, Washington Current
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Burrows Is - Allan Is channel
Click for Map
Thu -- 02:40 AM PDT     2.97 knots Max Flood
Thu -- 06:36 AM PDT     -0.00 knots Slack
Thu -- 07:16 AM PDT     Moonrise
Thu -- 07:35 AM PDT     Sunrise
Thu -- 08:41 AM PDT     -1.29 knots Max Ebb
Thu -- 10:44 AM PDT     0.00 knots Slack
Thu -- 12:12 PM PDT     New Moon
Thu -- 02:17 PM PDT     2.63 knots Max Flood
Thu -- 05:55 PM PDT     -0.00 knots Slack
Thu -- 06:14 PM PDT     Sunset
Thu -- 06:42 PM PDT     Moonset
Thu -- 08:51 PM PDT     -1.96 knots Max Ebb
Thu -- 11:17 PM PDT     0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.82.62.932.71.90.8-0.3-1.1-1.3-0.70.31.52.32.62.521.1-0.1-0.9-1.7-1.9-1.5-0.4

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 (5,6,7,8)
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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.