Thursday, September23, 2021
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Marine Weather and Tides
Skykomish, WA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:48AMSunset 6:58PM Thursday September 23, 2021 10:49 AM PDT (17:49 UTC) Moonrise 7:22PMMoonset 8:39AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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- 907 Am Pdt Thu Sep 23 2021
Today..N wind to 10 kt rising to 5 to 15 kt in the afternoon. Wind waves 2 ft or less. Patchy fog in the morning.
Tonight..N wind 5 to 15 kt becoming to 10 kt after midnight. Wind waves 2 ft or less.
Fri..NE wind to 10 kt becoming N in the afternoon. Wind waves 2 ft or less.
Fri night..N wind to 10 kt. Wind waves 1 ft or less.
Sat..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less.
Sat night..Variable wind to 10 kt becoming S 5 to 15 kt after midnight. Wind waves 2 ft or less.
Sun..S wind 15 to 25 kt easing to 5 to 15 kt. Wind waves 2 to 4 ft subsiding to 2 ft or less.
Mon..S wind 15 to 25 kt easing to 5 to 15 kt. Wind waves 2 to 4 ft subsiding to 2 ft or less.
PZZ100 907 Am Pdt Thu Sep 23 2021
Synopsis for the northern and central washington coastal and inland waters..High pressure offshore with lower pressure inland will keep flow onshore today. The flow will turn briefly offshore tonight and Friday morning before turning back onshore Friday afternoon. Onshore flow continuing Saturday. A front will move through the waters Sunday with another front Monday.


7 Day Forecast for Marine Location Near Skykomish, WA
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location: 47.78, -121.05     debug


Area Discussion for - Spokane, WA
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FXUS66 KOTX 231137 AFDOTX

Area Forecast Discussion National Weather Service Spokane WA 437 AM PDT Thu Sep 23 2021

SYNOPSIS. Warm and dry fall weather is expected to last through Sunday. Afternoon temperatures in the 70s will be common through the weekend. Chances for precipitation will increase early next week with a slow moving front moving in off of the eastern Pacific. The front will also bring cooler temperatures typical of early fall.

DISCUSSION. Through Friday night: Mild and dry weather will continue through the period under high pressure. Expect periods of mostly upper- level cloudiness early today, turning mostly clear for later today and Friday. Temps today will be near normal, then increase about 5 degrees for Friday afternoon. /KD

Saturday through Sunday: Seasonably warm temperatures will continue into the weekend. Saturday looks to be the mildest day with highs in the mid 70s to low 80s over much of the region. A great day to take advantage of mild benign weather to enjoy some outdoor activities. The high pressure ridge axis will shift over the northern Rockies on Sunday with moisture increasing off of the eastern Pacific. Best chances for precipitation will be over the Cascades by Sunday afternoon. The rest of eastern Washington to the Idaho Panhandle looks to remain dry into Sunday afternoon with mostly increasing high level clouds.

Sunday night through Thursday: The weather pattern looks to shift to a wetter period, but nothing out of the ordinary from what would be expected for a fall Pacific storm system. An upper level trough of lower pressure will dig over the Gulf of Alaska on Sunday with a moderate atmospheric river developing out ahead. The initial shortwave disturbance that rides up on the backside of the ridge on Sunday will weaken given the Cascades a shot at precipitation. It will be the next shortwave behind that one that begins to drag across an occluded front into the Cascades on Monday. The upper level trough continues to dig and stretch out as this the front approaches. This makes me question just how much the moisture off of the Pacific will actually penetrate inland. Precipitation looks likely over the Cascades, and especially near the crest on Monday, but it looks as if the front will weaken as it continues to push further eastward Monday night into Tuesday. Only a chance of precipitation for extreme eastern Washington and the Idaho Panhandle seems satisfactory at this stage, and I would think that precipitation totals will become less the further east this front pushes inland.

The upper level trough looks to be over the Inland Northwest by Tuesday with the front potentially hung up over the Panhandle at this time or slowly making its way into western Montana. My bet is the front will be slow moving as it traverses across the region. Colder temperatures aloft under the trough may result in some isolated thunderstorms over the northern mountains near the Canadian border, but we are also getting a bit late in the season for lightning as well with confidence quite low for convection. The trough will bring cooler temperatures back into the 60s for Tuesday. Typical fall like temperatures will continue into the middle portions of next week with more uncertainty of a dry period with shortwave ridging building in or being followed by another front pushing across within another 36-48 hour window. /SVH

AVIATION. 12Z TAFS: Expect periods of predominantly upper-level clouds this morning. Mostly clear skies will take shape by this afternoon and tonight, however, and VFR conditions are expected through the 24hr TAF period. Winds will generally be light. /KD

PRELIMINARY POINT TEMPS/POPS. Spokane 71 46 77 50 79 52 / 0 0 0 0 0 0 Coeur d'Alene 69 45 76 49 79 52 / 0 0 0 0 0 0 Pullman 68 43 77 47 79 49 / 0 0 0 0 0 0 Lewiston 76 51 83 55 86 57 / 0 0 0 0 0 0 Colville 73 39 77 42 79 43 / 0 0 0 0 0 0 Sandpoint 67 42 72 45 75 46 / 0 0 0 0 0 0 Kellogg 67 49 75 53 78 54 / 0 0 0 0 0 0 Moses Lake 73 46 79 49 81 49 / 0 0 0 0 0 0 Wenatchee 75 54 78 56 83 57 / 0 0 0 0 0 0 Omak 76 49 79 51 83 52 / 0 0 0 0 0 0

OTX WATCHES/WARNINGS/ADVISORIES. ID . None. WA . None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 74 mi50 min N 6 G 6 55°F 1027 hPa (+0.3)54°F
TCMW1 - 9446482 - Tacoma Met, WA 80 mi50 min NNE 1 G 1.9

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stampede Pass, WA37 mi1.9 hrsWSW 70.25 miFog45°F44°F97%1026.3 hPa

Link to 5 minute data for KSMP

Wind History from SMP (wind in knots)
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Last 24hr--36546365--W443--4--5436W65SW7SW5
1 day ago----4------S33Calm3Calm--CalmCalmCalmCalmE3E3Calm3W3Calm35
2 days agoCalm35344--3CalmCalmW3CalmCalmCalmCalmCalmCalmCalm4NE33--3--

Tide / Current Tables for Marysville, Quilceda Creek, Washington
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Marysville
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Thu -- 01:29 AM PDT     1.63 feet Low Tide
Thu -- 06:57 AM PDT     Sunrise
Thu -- 07:23 AM PDT     9.68 feet High Tide
Thu -- 09:44 AM PDT     Moonset
Thu -- 01:35 PM PDT     2.74 feet Low Tide
Thu -- 07:03 PM PDT     Sunset
Thu -- 07:16 PM PDT     10.12 feet High Tide
Thu -- 08:25 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.81.71.834.978.79.69.58.77.35.63.92.92.93.95.67.69.310.19.98.97.35.3

Tide / Current Tables for Everett, Washington
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Everett
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Thu -- 12:59 AM PDT     1.81 feet Low Tide
Thu -- 06:57 AM PDT     Sunrise
Thu -- 07:14 AM PDT     9.99 feet High Tide
Thu -- 09:44 AM PDT     Moonset
Thu -- 01:05 PM PDT     3.05 feet Low Tide
Thu -- 07:03 PM PDT     Sunset
Thu -- 07:07 PM PDT     10.44 feet High Tide
Thu -- 08:26 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.41.82.43.85.87.89.3109.78.77.15.23.73.13.54.86.68.49.810.410.18.874.7

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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