Tuesday, December1, 2020
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Marine Weather and Tides
Picnic Point, 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 7:35AMSunset 4:21PM Monday November 30, 2020 11:52 PM PST (07:52 UTC) Moonrise 4:41PMMoonset 7:54AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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- 825 Pm Pst Mon Nov 30 2020
Tonight..Variable wind 5 to 15 kt easing to 10 kt after midnight. Wind waves 2 ft or less.
Tue..S wind to 10 kt becoming ne in the afternoon. Wind waves 1 ft or less. Patchy fog in the morning.
Tue night..NW wind 5 to 15 kt. Wind waves 2 ft or less.
Wed..NW wind to 10 kt becoming se in the afternoon. Wind waves 1 ft or less.
Wed night..S wind 5 to 15 kt becoming to 10 kt after midnight. Wind waves 2 ft or less.
Thu..Light wind. Wind waves less than 1 ft.
Thu night..Light wind. Wind waves less than 1 ft.
Fri..Light wind. Wind waves less than 1 ft.
Sat..Light wind becoming se to 10 kt. Wind waves 1 ft or less.
PZZ100 825 Pm Pst Mon Nov 30 2020
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will subside tonight. High pressure will move over the area Tuesday with offshore flow developing and is expected to continue through the week.


7 Day Forecast for Marine Location Near Picnic Point, WA
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location: 47.89, -122.38     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 010414 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 814 PM PST Mon Nov 30 2020

SYNOPSIS. High pressure will build over the Pacific Northwest overnight bringing dry conditions that will last for much of the week. Temperatures will remain near seasonal normals with daytime highs in the upper 40s and overnight lows in the lower to mid 30s.

SHORT TERM /TONIGHT THROUGH THURSDAY/. Conditions have quieted rather quickly over W WA as neither current radar nor current satellite show sign of the front that exited the area earlier today. Satellite shows some lingering clouds over the area but also a fair amount of clear sky overhead as well. While current obs do not show much in the way of fog development this evening, given the diminishing clouds and some lingering low level moisture, this may be an issue that arises during the overnight hours but inherited forecast does take this into account well.

All that being said, no need for an evening forecast update as the combination of calm conditions and a forecast that says as much covers the current situation well. For forecast details, please refer to the Previous Discussion section below. 18

From Previous Discussion . Strong cold front pushed through the area this morning and has since exited to the eastern side of the state. In its wake, scattered showers linger across the area as upper level trough swings through. A narrow convergence zone has formed across central Snohomish County. Winds have peaked but remain breezy with gusts of 15-30 mph across the area, a bit stronger near the Strait. Winds will continue to ease tonight into Tuesday. Along with the winds, shower activity will gradually diminish this evening, giving way to high pressure over the area for much of this week. Model guidance shows a frontal system approaching the offshore waters Thursday but splits and weakens it before it reaches the coast. Ridging will lead to dry weather with morning fog and afternoon sun - perhaps with a bit more clouds by Thursday. High temperatures will be near normal, warming several degrees from Tuesday into Wednesday.

Carpenter

LONG TERM /FRIDAY THROUGH MONDAY/. From Previous Discussion . Ridging with light offshore flow continues into the beginning of the weekend with dry weather and near normal temperatures. Latest ensemble guidance shows a system swinging through the area on Sunday but weakens it dramatically as it moves across the area. Some differences remain but it doesn't look like anything too impactful. Some hint of a pattern change by mid to late next week with a return to more widespread precipitation - but we'll see.

Carpenter

AVIATION. Northwesterly flow aloft tonight and into Tuesday as an upper ridge builds into the area. The atmosphere is generally stable with some lingering moisture in the lower levels.

VFR conditions in place over W WA this evening and will likely remain that way into Tuesday. The only exception, as one would expect, would be those locations/terminals that are prone to lower cigs and fog development . as aforementioned lower level moisture may result in IFR conditions with some patchy fog at or near terminals such as OLM and PWT. There is some concern that some vis restrictions may occur around Sea-Tac, but that will be addressed below. Locations that do see these conditions arise should have them burn off by mid to late morning Tuesday. VFR conditions are expected to resume by noon Tuesday.

KSEA . VFR conditions this evening and into tonight. While patchy LIFR/IFR conditions/fog development is possible overnight/early Tuesday morning . given its presence at times over the past couple of nights . confidence remains too low for inclusion in the TAF, but suggestion is there after 11Z. VFR conditions a lock for late Tuesday morning onward. South to southeasterly winds tonight 5-10 knots this evening before becoming easterly and light overnight. Speeds will pick up to 5-10 knots by Tuesday afternoon. 18

MARINE. Onshore flow continues to ease tonight as headlines continue to expire. Did extend SCA for the Strait and the N Inland Waters as tapering off is more gradual there. Headlines for the coastal waters looks good as winds and seas there continue to meet criteria. Light winds Tuesday with offshore flow increasing through the day. NW swell of 15-19 feet subsiding to 10 to 12 feet by Tuesday morning. The largest swells will be across the outer coastal waters. Offshore flow through much of the week. JD/18

HYDROLOGY. No river flooding is expected. 18

SEW WATCHES/WARNINGS/ADVISORIES. WA . None.

PZ . Small Craft Advisory until 10 AM PST Tuesday 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-Grays Harbor Bar-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until midnight PST tonight 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.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 16 mi53 min SSE 8 G 8.9 44°F 1033 hPa (+3.0)38°F
PTWW1 - 9444900 - Port Townsend, WA 25 mi53 min SW 4.1 G 5.1 44°F 48°F1033.5 hPa (+3.3)
SISW1 - Smith Island, WA 38 mi33 min NW 12 G 15 47°F 1032.8 hPa38°F
PBFW1 - Padilla Bay Reserve, WA 40 mi83 min ESE 1.9 35°F 1032 hPa34°F
TCMW1 - 9446482 - Tacoma Met, WA 42 mi53 min SSE 4.1 G 5.1
TCNW1 - 9446484 - Tacoma, WA 43 mi53 min 40°F 51°F1033.7 hPa (+3.1)

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA5 mi60 minNNE 310.00 miOvercast44°F34°F68%1032.7 hPa
Arlington Municipal Airport, WA22 mi57 minN 010.00 miOvercast35°F33°F93%1033.4 hPa

Link to 5 minute data for KPAE

Wind History from PAE (wind in knots)
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1 day agoSE4SE5SE4CalmCalmCalmE3CalmS3S3S3CalmE43E4S8SE6SE85SE4S6S9S13S8
2 days agoSW4S5SE4S3CalmCalmSE4CalmCalmNW4CalmN4NW3NW5N3CalmCalmCalmN3CalmCalmCalmE6E3

Tide / Current Tables for Meadowdale, Washington
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Meadowdale
Click for Map
Tue -- 06:20 AM PST     4.58 meters High Tide
Tue -- 07:38 AM PST     Sunrise
Tue -- 08:57 AM PST     Moonset
Tue -- 11:43 AM PST     3.40 meters Low Tide
Tue -- 04:18 PM PST     Sunset
Tue -- 04:23 PM PST     4.14 meters High Tide
Tue -- 05:20 PM PST     Moonrise
Tue -- 11:22 PM PST     0.84 meters Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.82.53.344.44.64.54.443.73.53.43.53.744.14.13.83.32.61.91.20.9

Tide / Current Tables for Apple Cove Point, 0.5 mile E of, Washington Current
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Apple Cove Point
Click for MapFlood direction 168 true
Ebb direction 8 true

Tue -- 02:56 AM PST     0.78 knots Max Flood
Tue -- 06:35 AM PST     -0.00 knots Slack
Tue -- 07:38 AM PST     Sunrise
Tue -- 08:57 AM PST     Moonset
Tue -- 09:02 AM PST     -0.55 knots Max Ebb
Tue -- 01:10 PM PST     0.00 knots Slack
Tue -- 02:27 PM PST     0.13 knots Max Flood
Tue -- 04:03 PM PST     -0.00 knots Slack
Tue -- 04:19 PM PST     Sunset
Tue -- 05:20 PM PST     Moonrise
Tue -- 08:14 PM PST     -0.99 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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00.40.70.80.70.50.2-0.2-0.4-0.6-0.5-0.4-0.2-00.10.10-0.2-0.6-0.8-1-1-0.8-0.5

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 Seattle/Tacoma, WA
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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 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.