Monday, January18, 2021
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Marine Weather and Tides
Woodway, WA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:49AMSunset 4:51PM Monday January 18, 2021 4:42 AM PST (12:42 UTC) Moonrise 10:56AMMoonset 11:07PM Illumination 26% Phase: Waxing Crescent; Moon at 5 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- 249 Am Pst Mon Jan 18 2021
Today..N wind to 10 kt becoming 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Tonight..N wind to 10 kt becoming ne after midnight. Wind waves 1 ft or less. Patchy dense fog after midnight.
Tue..Light wind becoming S 5 to 15 kt in the afternoon. Wind waves less than 1 ft becoming 2 ft or less in the afternoon. Patchy dense fog in the morning.
Tue night..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Wed..N wind 5 to 15 kt. Wind waves 2 ft or less.
Wed night..N wind 5 to 15 kt becoming to 10 kt after midnight. Wind waves 2 ft or less.
Thu..N wind to 10 kt becoming light. Wind waves 1 ft or less.
Fri..Light wind. Wind waves less than 1 ft.
PZZ100 249 Am Pst Mon Jan 18 2021
Synopsis for the northern and central washington coastal and inland waters..High pressure will remain over the waters through Wednesday. A front will dissipate just north of the area Tuesday night. A weak system will arrive Thursday with high pressure rebuilding again Friday.


7 Day Forecast for Marine Location Near Woodway, WA
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location: 47.81, -122.38     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 181103 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 303 AM PST Mon Jan 18 2021

SYNOPSIS. High pressure aloft builds over the region and remains in place much of the first half of the week, though a weak front will clip the area late Tuesday. Another disturbance arrives Thursday. A stronger front likely arrives next weekend with cooler temperatures and lower snow levels.

SHORT TERM /TODAY THROUGH WEDNESDAY/. High pressure and offshore flow will lead to dry conditions across western WA through Tuesday. Expect patchy low clouds and fog in the interior this morning with skies becoming partly sunny this afternoon. Highs will be close to normal in the mid to upper 40s. Lows will be chilly overnight and in the 30s. The ridge will flatten over WA on Tuesday while a weak trough cuts through B.C. This trough will clip western WA Tuesday night for a chance of light showers, mainly in the north interior and north Cascades. High pressure rebuilds on Wednesday for another dry day. 33

LONG TERM /THURSDAY THROUGH SUNDAY/. We'll see another round of showers on Thursday while a cool upper low tracks south down the coast. Precipitations amounts look light with just a few hundredths of an inch over the lowlands. However, snow levels will be low, around 1500-2000 ft, and could see a light rain/snow mix in areas near the Cascades. Cool northerly flow will prevail Friday and Saturday with temperatures trending below normal - highs in the lower to mid 40s and lows in the 20s to lower 30s.

The following system on Sunday shows some potential for lowland snow due to low snow levels (around 500-1000ft). Around half of the ECMWF and GFS ensemble members show snow but amounts look spotty and light. NBM at Sea-Tac has a 60% chance of snow but only a 25% chance of seeing accumulations greater than an inch. It'll all depend on timing (snow levels, moisture, temperatures) which is all still uncertain. In any case, snow looks likely but impactful snow amounts seem low at the moment. The threat for more lowland snow continues into early next week as snow levels will remain low, with more systems headed our way. 33

AVIATION. Northwesterly flow aloft becoming northerly tonight then westerly on Tuesday as upper level ridge moves through the area. Light flow in the lower levels.

Ceilings 3500-4500 feet with local ceilings below 500 feet and visibility 1-3sm in fog until around 20z. just scattered clouds this afternoon and tonight. Local ceilings below 500 feet and visibility less than 1 mile developing after 06z mainly over the Southwest Interior.

KSEA . Ceilings near 4500 feet. Ceilings below 1000 feet possible 15z-18z. Scattered clouds this afternoon. Northerly wind 4 to 8 knots through tonight.

MARINE. High pressure will remain over the waters through Wednesday. A front will dissipate just north of the area Tuesday night. A weak system will arrive Thursday with high pressure rebuilding again Friday.

Small craft advisory today for the coastal waters and West Entrance to the Strait of Juan de Fuca for 10 to 12 foot swells. Swell subsiding tonight. Small craft advisory winds possible over the outer coastal waters Tuesday night behind dissipating front and again Thursday.

HYDROLOGY. No river flooding is expected through the next seven days.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory until 6 PM PST 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-West Entrance U.S. Waters Strait Of Juan De Fuca.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 11 mi43 min N 7 G 8 46°F 1035.4 hPa (+0.8)45°F
PTWW1 - 9444900 - Port Townsend, WA 29 mi55 min NNW 1 G 2.9 46°F 47°F1036.3 hPa
TCMW1 - 9446482 - Tacoma Met, WA 37 mi55 min ESE 4.1 G 4.1
TCNW1 - 9446484 - Tacoma, WA 38 mi55 min 38°F 49°F1035.8 hPa
SISW1 - Smith Island, WA 43 mi33 min NNW 11 G 13 46°F 1035.8 hPa40°F
PBFW1 - Padilla Bay Reserve, WA 45 mi73 min NE 1.9 43°F 1035 hPa41°F

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA9 mi50 minNNW 410.00 miOvercast43°F39°F86%1035.4 hPa
Boeing Field - King County International Airport, WA20 mi50 minN 010.00 miMostly Cloudy40°F39°F97%1035.2 hPa
Renton Municipal Airport, WA23 mi50 minN 07.00 miOvercast41°F39°F93%1035.6 hPa

Link to 5 minute data for KPAE

Wind History from PAE (wind in knots)
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Last 24hrSE7SE6SE6S6S5S3S3Calm3W3SW3W5NW5W6W4N4N6NW3CalmCalmNW3CalmN3NW4
1 day agoE65E3E6CalmSE4S5CalmNW4CalmW3CalmCalmCalmS5S3CalmSE345SE11
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2 days agoCalmSW3NW5CalmCalmN3CalmCalmW3CalmNE4NE3S3SE3CalmNW3SE5E5E6E6E6E9E4Calm

Tide / Current Tables for Edmonds, Washington
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Edmonds
Click for Map
Mon -- 01:46 AM PST     1.36 feet Low Tide
Mon -- 07:51 AM PST     Sunrise
Mon -- 09:01 AM PST     11.64 feet High Tide
Mon -- 10:55 AM PST     Moonrise
Mon -- 03:15 PM PST     4.88 feet Low Tide
Mon -- 04:49 PM PST     Sunset
Mon -- 08:30 PM PST     7.92 feet High Tide
Mon -- 11:07 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.91.71.42.13.75.889.911.211.611.210.18.56.85.54.955.66.57.37.97.97.36.3

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

Mon -- 02:51 AM PST     0.00 knots Slack
Mon -- 05:20 AM PST     0.42 knots Max Flood
Mon -- 07:51 AM PST     Sunrise
Mon -- 09:05 AM PST     -0.00 knots Slack
Mon -- 10:56 AM PST     Moonrise
Mon -- 11:57 AM PST     -0.50 knots Max Ebb
Mon -- 04:49 PM PST     Sunset
Mon -- 04:50 PM PST     0.00 knots Slack
Mon -- 05:57 PM PST     0.11 knots Max Flood
Mon -- 08:22 PM PST     -0.00 knots Slack
Mon -- 11:07 PM PST     Moonset
Mon -- 11:32 PM PST     -0.39 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.3-0.200.30.40.40.30.20-0.2-0.4-0.5-0.5-0.4-0.2-0.100.10.10-0.1-0.3-0.4

Weather Map
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wmap_P
GEOS Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station




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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 numerous 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.