Tuesday, January16, 2018 L-36.com


Marine Weather and Tides
Purdy, 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 7:49AMSunset 4:51PM Tuesday January 16, 2018 5:09 AM PST (13:09 UTC) Moonrise 7:31AMMoonset 4:46PM Illumination 0% Phase: New Moon; 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- 300 Am Pst Tue Jan 16 2018
.small craft advisory in effect through this afternoon...
Today..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Showers likely.
Tonight..SE wind 5 to 15 kt. Wind waves 2 ft or less. A chance of showers in the evening then a slight chance of rain after midnight.
Wed..S wind 5 to 15 kt. Wind waves 2 ft or less. A chance of rain in the morning then rain likely in the afternoon.
Wed night..S wind 15 to 25 kt easing to 10 to 20 kt after midnight. Wind waves 1 to 4 ft.
Thu..S wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 1 to 4 ft.
Thu night..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Fri..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Sat..S wind 10 to 20 kt becoming 5 to 15 kt. Wind waves 1 to 3 ft.
PZZ100 300 Am Pst Tue Jan 16 2018
Synopsis for the northern and central washington coastal and inland waters..Small craft advisory level wind is likely over most waters today. A front is forecast to arrive Wednesday and give gale force winds to most waters. More fronts will keep the weather vigorous through the end of the week. Westerly swells higher than 25 feet are possible on the coast Thursday.

7 Day Forecast for Marine Location Near Purdy, WA
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location: 47.4, -122.58     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 161105
afdsew
area forecast discussion
national weather service seattle wa
305 am pst Tue jan 16 2018

Synopsis Showers will continue across western washington today
with moist southwest flow over the region. A strong system will
head toward southern british columbia on Wednesday then stall
offshore and gradually weaken through Friday night. This system
will generate large waves which may impact the coast. Unsettled
weather will continue into this weekend with a trough over the
region.

Short term The strong upper level ridge that brought sunny and
warm weather to the region yesterday has now shifted east toward
the rockies. This opens the door for moist S SW flow over western
washington, steered by a stacked system rotating over the gulf of
alaska. Expect more showers today under these conditions with a
slight chance of thunderstorms over the coastal waters. There have
been a few lightning strikes off the oregon coast this morning.

Temperatures are starting mild, near 50, and we should see
temperatures staying in the low to mid 50s this afternoon. Showers
will taper off tonight as this system exits.

A strong pacific system, around 960 mb, will spin over the
offshore waters on Wednesday then stall off haida gwaii through
Thursday. This system will gradually fill weaken to around 1000
mb as it spins off vancouver island Friday night. Throughout this
period, expect more rain as moist SW flow continues over western
wa along with breezy to windy conditions. This system will
generate a large swell train that will reach the coast on Thursday
with seas building to 25 to 30 feet. This would lead to a high
surf warning along the coast. 33

Long term The forecast remains unsettled through the weekend
with upper level troughing over the west. Showers are likely
through the period. Temperatures are trending close to normal.

We may see a break in the action early next week with weak upper
level ridging. No major changes from the previous forecast. 33

Aviation Moderate southerly flow aloft this morning will turn
westerly this afternoon and tonight. At the surface, moderate
southeasterly winds will continue today and ease tonight. The air
mass is moist and slightly unstable. Rain will become more showery
today.

MVFR ceilings around the west side of puget sound will spread to the
east side this morning. There will be improvement toVFR by late in
the morning, though MVFR ceilings in showers will still be possible.

Ksea... Discussion above applies. Southerly wind 10-15 kt today.

Chb

Marine A front over the area will give a few more hours of gale
force winds at the east entrance, then most areas will have small
craft advisory strength winds today.

A deep low will move northeast well off the coast Wednesday and
Thursday. The resulting gradient will bring gales to most waters,
and a gale watch is in effect. More fronts later in the week will
keep the weather vigorous.

Strong southwest winds well off the coast will generate large swells
that will reach the washington coast Thursday. Models have been
consistent in bringing westerly swells of 25 ft or more to the
coast, with even larger swells offshore. These have the potential to
be the highest seas in at least several years. Chb

Hydrology A brief period of heavy rain is possible in the
skokomish basin on Wednesday evening. This will cause the river to
rise on Wednesday night and Thursday morning. Current rainfall
forecasts support bringing the skokomish to within a foot of flood
stage. This will bear watching, as forecast rainfall amounts are
prone to change.

Sew watches warnings advisories
Wa... None.

Pz... Gale watch from late tonight through late Wednesday night 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-east entrance u.S.

Waters strait of juan de fuca-northern inland waters
including the san juan islands.

Small craft advisory until 3 am pst Wednesday 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 for rough bar until 4 am pst Wednesday for
grays harbor bar.

Gale warning until 10 am pst this morning for east entrance u.S.

Waters strait of juan de fuca.

Small craft advisory until 4 pm pst this afternoon for admiralty
inlet-northern inland waters including the san juan islands-
puget sound and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 12 mi52 min SW 6 G 8.9
TCNW1 - 9446484 - Tacoma, WA 13 mi52 min 50°F 49°F1019.2 hPa
EBSW1 - 9447130 - Seattle, WA 19 mi52 min SSE 2.9 G 4.1 50°F 49°F1018.9 hPa
WPOW1 - West Point, WA 20 mi70 min S 11 G 12 49°F 1018.4 hPa (+1.6)48°F
46120 27 mi55 min WSW 9.7 50°F 1017.5 hPa49°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma, Tacoma Narrows Airport, WA9 mi77 minS 35.00 miLight Rain Fog/Mist47°F46°F100%1018.6 hPa
Bremerton, Bremerton National Airport, WA11 mi74 minSSW 510.00 miOvercast46°F46°F100%1020.1 hPa
Seattle, Seattle-Tacoma International Airport, WA15 mi77 minN 010.00 miOvercast49°F46°F93%1018.9 hPa
Boeing Field - King County International Airport, WA17 mi77 minSW 310.00 miOvercast50°F48°F93%1018.3 hPa
Tacoma / McChord Air Force Base, WA17 mi72 minN 09.00 miLight Rain48°F47°F100%1019.1 hPa
Renton Municipal Airport, WA20 mi77 minVar 310.00 miOvercast51°F46°F83%1018.7 hPa
Fort Lewis / Gray U. S. Army Airfield, WA21 mi72 minS 310.00 miLight Drizzle48°F47°F100%1018.7 hPa

Wind History from TIW (wind in knots)
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Last 24hrCalmSW3SE4E3CalmCalmCalm3N5N6S5CalmCalmCalmCalmSE5CalmW4W4W3SE44SW4S3
1 day agoN7N7N4N7N4CalmCalmS4S3CalmS4CalmCalmCalmCalmS4CalmCalmCalmCalmCalmNE3CalmCalm
2 days agoCalmCalmCalmCalmCalmCalmNE3N3NW4N5N6N7N8N8N11N12
G20
N11N4N5N5N7N6N8N7

Tide / Current Tables for Wauna, Washington
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Wauna
Click for Map
Tue -- 06:17 AM PST     13.84 feet High Tide
Tue -- 07:30 AM PST     Moonrise
Tue -- 07:52 AM PST     Sunrise
Tue -- 11:39 AM PST     7.15 feet Low Tide
Tue -- 04:05 PM PST     11.95 feet High Tide
Tue -- 04:46 PM PST     Moonset
Tue -- 04:48 PM PST     Sunset
Tue -- 06:18 PM PST     New Moon
Tue -- 11:29 PM PST     -0.88 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.12.25.18.311.11313.813.612.310.38.57.47.28.19.711.211.911.610.48.45.93.10.7-0.7

Tide / Current Tables for Skagit Bay, channel SW of Hope Island, Washington Current
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Skagit Bay
Click for Map
Tue -- 03:32 AM PST     -0.07 knots Slack
Tue -- 05:58 AM PST     -1.93 knots Max Ebb
Tue -- 07:29 AM PST     Moonrise
Tue -- 07:52 AM PST     Sunrise
Tue -- 09:33 AM PST     0.00 knots Slack
Tue -- 11:29 AM PST     1.78 knots Max Flood
Tue -- 02:48 PM PST     -0.04 knots Slack
Tue -- 04:46 PM PST     Moonset
Tue -- 04:48 PM PST     Sunset
Tue -- 05:46 PM PST     -2.12 knots Max Ebb
Tue -- 06:18 PM PST     New Moon
Tue -- 09:05 PM PST     0.02 knots Slack
Tue -- 11:56 PM PST     2.58 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.52.21.81-1.2-1.8-1.9-1.8-1.6-1.111.71.71.51-0.7-1.6-2-2.1-1.9-1.5-0.61.62.4

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 (8,2,3,4)
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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.