Saturday, November28, 2020
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Marine Weather and Tides
Marrowstone, 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 Saturday November 28, 2020 8:34 AM PST (16:34 UTC) Moonrise 3:45PMMoonset 5:44AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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- 340 Am Pst Sat Nov 28 2020
.small craft advisory in effect from Sunday morning through Sunday afternoon...
.gale watch in effect from Sunday afternoon through late Sunday night...
Today..W wind 10 to 20 kt becoming nw 5 to 15 kt in the afternoon. Wind waves 1 to 3 ft. A slight chance of rain in the morning.
Tonight..NE wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Sun..S wind 5 to 15 kt becoming se 15 to 25 kt in the afternoon. Wind waves 2 ft or less building to 2 to 4 ft in the afternoon.
Sun night..SE wind 20 to 30 kt. Wind waves 3 to 5 ft.
Mon..W wind 20 to 30 kt. Wind waves 3 to 5 ft.
Mon night..W wind 15 to 25 kt easing to variable 5 to 15 kt after midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less after midnight.
Tue..SE wind to 10 kt becoming light. Wind waves 1 ft or less.
Wed..Light wind. Wind waves less than 1 ft.
PZZ100 340 Am Pst Sat Nov 28 2020
Synopsis for the northern and central washington coastal and inland waters..A frontal system will move through the area tonight. Weak high pressure will move over the area on Saturday then shift inland on Sunday. A second vigorous frontal system will move through the area Sunday night or Monday morning followed by a good shot of onshore flow later Monday. Weak high pressure will move over the area Monday night then offshore flow will develop on Tuesday and Wednesday.


7 Day Forecast for Marine Location Near Marrowstone, WA
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location: 48.05, -122.68     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 281157 AAA AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 357 AM PST Sat Nov 28 2020

SYNOPSIS. Rain and mountain snow tapers off today behind the departing front. Expect generally dry conditions late tonight into Sunday as weak ridging builds over Western Washington. A stronger front follows Monday, with breezy winds and widespread precipitation expected. An upper ridge will then move into the region and remain through much of the week, resulting in mostly dry conditions through much of the week.

SHORT TERM /TODAY THROUGH MONDAY/. Last evening's front continues to advance to the east and south of the region early this morning, and it will be mostly clear of the forecast area by 4 AM. Some lingering precipitation remains evident behind the front, both in portions of the Strait of Juan de Fuca and in a weak convergence zone stretching across northern Snohomish/southern Skagit counties. Will need to continue to monitor trends, as some hint in the guidance that light precip will linger in a convergence zone near central Puget Sound through the morning. However, expect a drying trend by afternoon (and sooner elsewhere) as heights begin to rise under a weak upper ridge. Lower stratus remains across the region, but satellite imagery does reveal some clearing upstream to the northwest. Likely will have some lingering low stratus and/or fog early this morning, depending on how much clearing does occur behind the front.

Dry conditions will then continue through the first half of Sunday, with increasing cloud cover and a return of precipitation later Sunday. The leading warm front may bring some light rain to the Olympic Peninsula by afternoon, but most of the moisture will remain offshore until the evening. Ahead of this front, expect to see south or southeast winds to increase across the region. Latest guidance continues to suggest some potential for gusts into the 45-55 mph range near the coast and from northern Whidbey Island north through the San Juan Islands, including western portions of Whatcom and Skagit counties; will continue to monitor the latest trends, and wind advisories may be needed if this forecast remains on track.

The front will push through the area late Sunday night into early Monday, with another round of lowland rain and mountain snow. Snow levels will rise a little bit through the day on Sunday, but the induced offshore flow may help keep snow levels near the passes. Expect snow levels to be in the 3000-4000 ft range early Monday as most of the moisture moves through, with a few inches of snow at Stevens Pass late Sunday night through Monday morning. Steadier precipitation will taper off Monday morning, but a few showers may continue into the afternoon as the upper trough moves across the region. Cullen

LONG TERM /TUESDAY THROUGH FRIDAY/. Tuesday will mark the return of dry conditions across most of the region as an upper ridge is likely to build over the Pacific Northwest. A weak front may approach the coast around Thursday, but ensemble guidance continues to suggest this system will split and leave the area mostly dry. Some slight chances PoPs were maintained near the coast with at least a handful of ensemble members indicating some light precipitation is possible. However, this will likely be short-lived, with another dry day expected Friday. Expect that some morning fog or low stratus will develop across the lowlands in this pattern under strengthening inversions. Temperatures look to remain rather steady through the week and remaining near normal in the metro areas (generally upper 40s/around 50 for highs and upper 30s for overnight lows), though areas of fog or stratus that linger could hold daytime temperatures a bit cooler than the current forecast. Cullen

AVIATION. A weak front has just passed through the Western Washington area. This front brought some light rain and lower ceilings to the terminals. Now that the front has passed some light showers are lingering around as well as some fog/mist in areas. It is expected that conditions will go back an forth between IFR and MVFR through the morning. A few localized locations could see LIFR due to extremely low stratus as well as some possible fog. But these low ceilings are expected to be a very localized feature. Additionally, due to the moist environment terminals could experience some off and on drizzle through the morning particularly in the locations of lower clouds (KPWT, KOLM, and maybe KBFI). Overall, a return to VFR is expected to occur for all of Western Washington come this afternoon. Winds will continue to decrease through the morning and afternoon becoming more easterly as the day goes on. Speeds should be between 4-7 knots.

KSEA . MVFR to IFR conditions are expected to continue through this morning as low level moisture aids in keeping cloud decks low. There is the chance of some light rain to be off and on as the front continues to move out of the area. Conditions will be improving through the afternoon with a return to VFR. South winds will turn Easterly throughout the morning and should remain between 3 and 5 knots.

Butwin

MARINE. A small craft advisory is still in effect for the coastal waters due to sea conditions behind the front that moved through the area last night. The 10 ft swells will continue to subside throughout the morning. The next frontal system is expected to start making an impact on the marine waters starting Saturday night. South winds will be picking up throughout the night and by early morning Gale force winds are expected to be over the coastal waters. South winds at 30-35 knots are expected with gusts 35-45 knots. As the front passes through, sea conditions will worsen. Total wave heights will rise from 15 feet Sunday afternoon to near 20 feet come early Monday morning. Due to the rising seas following the front, conditions at Grays Harbor Bar will be rough to severe due to the large waves coming in. Looking at the inland waters, winds are expected to start picking up in the Admiralty Inlet, East Entrance of the Strait as well as the Northern Inland waters starting Sunday morning as the front approaches. Southerly winds will start at Small Craft Advisory Level and will increasing to Gale Sunday afternoon. Once the front passes through the area Monday morning, winds will become westerly. These westerlies will certainly cause SCA with a possibility of Gales through the Strait of Juan de Fuca. Conditions for all the Western Washington Waters will improve Monday night into Tuesday as a ridge builds over the area, brining with it quieter conditions.

Butwin

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

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Gale Watch from Sunday morning through Monday 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 4 PM PST this afternoon 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.

Small Craft Advisory from 1 AM to 10 AM PST Sunday 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 from 4 PM Sunday to 10 AM PST Monday for Grays Harbor Bar.

Gale Watch from Sunday afternoon through late Sunday night 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 4 AM PST early this morning for Central U.S. Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory from 10 AM to 4 PM PST Sunday for Admiralty Inlet-East Entrance U.S. Waters Strait Of Juan De Fuca- Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory from 10 AM to 10 PM PST Sunday for 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
PTWW1 - 9444900 - Port Townsend, WA 6 mi47 min WSW 2.9 G 6 47°F 48°F1027.2 hPa
46125 10 mi26 min 46°F 1026.1 hPa45°F
SISW1 - Smith Island, WA 20 mi35 min WNW 9.9 G 13 46°F 1026.8 hPa (+3.7)39°F
46120 25 mi31 min SE 1.9 47°F 1025.9 hPa44°F
WPOW1 - West Point, WA 30 mi35 min SSE 2.9 G 4.1 46°F 1026.8 hPa (+2.3)46°F
PBFW1 - Padilla Bay Reserve, WA 31 mi65 min SSW 4.1 44°F 1026 hPa44°F
46088 - New Dungeness, WA (Hein Bank) 33 mi25 min W 14 G 16 47°F 48°F1026.8 hPa41°F
FRDW1 - 9449880 - Friday Harbor, WA 38 mi59 min Calm G 1.9 42°F 48°F1025.9 hPa
PTAW1 - 9444090 - Port Angeles, WA 41 mi59 min 46°F 48°F1026.1 hPa

Wind History for Port Townsend, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Whidbey Island Naval Air Station - Ault Field, WA21 mi39 minWSW 1210.00 miMostly Cloudy47°F39°F77%1027.6 hPa
Everett Snohomish County, WA23 mi42 minN 02.00 miLight Rain Fog/Mist45°F43°F93%1026.7 hPa

Link to 5 minute data for KNUW

Wind History from NUW (wind in knots)
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2 days agoSE7SE9SE8SE7SE11SE6S8SE7E5E5SE5E4SE4NW3E6E4SE4E4CalmSE4SE4E5SE5E7

Tide / Current Tables for Mystery Bay, Washington
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Mystery Bay
Click for Map
Sat -- 04:30 AM PST     7.37 feet High Tide
Sat -- 05:44 AM PST     Moonset
Sat -- 07:36 AM PST     Sunrise
Sat -- 09:21 AM PST     5.63 feet Low Tide
Sat -- 02:09 PM PST     7.85 feet High Tide
Sat -- 03:44 PM PST     Moonrise
Sat -- 04:20 PM PST     Sunset
Sat -- 09:45 PM PST     -0.60 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.43.95.36.67.37.36.96.45.95.75.76.26.97.57.87.775.73.92.10.5-0.4-0.60.1

Tide / Current Tables for Nodule Pt, 0.5 mile SE of, Washington Current
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Nodule Pt
Click for MapFlood direction 160 true
Ebb direction 339 true

Sat -- 12:36 AM PST     2.49 knots Max Flood
Sat -- 03:33 AM PST     -0.00 knots Slack
Sat -- 05:44 AM PST     Moonset
Sat -- 07:06 AM PST     -1.79 knots Max Ebb
Sat -- 07:36 AM PST     Sunrise
Sat -- 09:20 AM PST     0.00 knots Slack
Sat -- 12:08 PM PST     1.11 knots Max Flood
Sat -- 01:56 PM PST     -0.00 knots Slack
Sat -- 03:44 PM PST     Moonrise
Sat -- 04:20 PM PST     Sunset
Sat -- 06:47 PM PST     -3.32 knots Max Ebb
Sat -- 09:31 PM PST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.41.80.7-0.4-1.1-1.6-1.8-1.4-0.40.40.91.10.8-0-0.9-1.8-2.7-3.2-3.3-2.5-0.90.61.7

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.