Thursday, September16, 2021
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Marine Weather and Tides
Stansberry Lake, 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 7:21PM Thursday September 16, 2021 10:50 AM PDT (17:50 UTC) Moonrise 4:54PMMoonset 12:22AM Illumination 76% Phase: Waxing Gibbous; Moon at 10 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- 229 Am Pdt Thu Sep 16 2021
.small craft advisory in effect from Friday morning through Friday evening...
Today..N wind to 10 kt. Wind waves 1 ft or less.
Tonight..N wind to 10 kt becoming S after midnight. Wind waves 1 ft or less. A slight chance of rain after midnight.
Fri..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain likely.
Fri night..S wind 20 to 30 kt easing to 15 to 25 kt after midnight. Wind waves 3 to 5 ft.
Sat..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Sat night..SW wind to 10 kt becoming S after midnight. Wind waves 1 ft or less.
Sun..SW wind to 10 kt. Wind waves 1 ft or less.
Mon..Light wind. Wind waves less than 1 ft.
PZZ100 229 Am Pdt Thu Sep 16 2021
Synopsis for the northern and central washington coastal and inland waters..A vigorous front will move through western washington on Friday. A trough will move trough the waters over the weekend.


7 Day Forecast for Marine Location Near Stansberry Lake, WA
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location: 47.4, -122.7     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 161602 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 902 AM PDT Thu Sep 16 2021

UPDATE /0900/. No major changes to the forecast this morning. Clouds from the approaching weather system will begin to move into the Western Washington area later today. Southerly winds ahead of the cold front will begin to pick up after midnight tonight. Wind advisories remain out for where wind is expected to be the highest (the coast, San Juans, Island County, Western Whatcom and Skagit Counties). Winds should peak later Friday afternoon, but are expected to remain breezy through the weekend. Widespread rainfall will begin after the winds pick up. One to two inches are expected for most locations in the region, but the coast and the mountains will likely see closer to 2-4 inches for Friday and Saturday. Rain will be heavy at times and will cause decreases in visibility. With the rain and dry soils we anticipate there could be some areas with some ponding and urban flooding. As for area rivers we expect rapid rises due to a delay in water being absorbed into the soil. At this time we are not anticipating any rivers to reach flood stage but they will need to be watched closely. There remains the chance of thunderstorms throughout the area for both Saturday and Sunday.

The previous forecast with updated marine and aviation sections are below.

Butwin

SYNOPSIS. An upper ridge will bring dry weather today. A vigorous frontal system will bring rain and windy conditions on Friday. An upper trough will bring cool and showery weather over the weekend with isolated thunderstorms possible. Drier and more tranquil weather is expected the first half of of next week.

SHORT TERM /TODAY THROUGH SATURDAY/. Pretty quiet this early morning as upper level ridging exerts its influence over W WA. Current satellite imagery shows that while some low clouds are present, the seem to be moving southward and thinning out a bit. Current radar is clear. This upper level ridge will remain the main weather factor for the rest of today allowing dry conditions to continue and generally sunny skies over much of the area. High temps will run a little bit below normal with mid to upper 60s for most lowland locations, lower 60s along the coast.

A vigorous frontal system will move through the area Friday and Friday night, bringing rain, heavy at times, and windy conditions to some locations, particularly the North Interior /including western portions of Skagit and Whatcom counties/ as well as the Admiralty Inlet area and the San Juans. A wind advisory is up for this area as well as for along the coast for much of the day Friday. Models remain consistent with fairly impressive rain totals for the area as the front moves through slowly throughout the day. The mountains look to pick up 2-4" of rain with locally higher totals possible while lowland locations should get 1-2" of rain. Highs Friday expected to be in the lower to mid 60s.

The front pushes further inland Saturday, moving east of the Cascades by mid-morning. In its place, the parent upper level trough will take up residence over W WA allowing for showers to continue for much of the day. The trough itself looks to have enough dynamics with it to bring some instability and thus looking at a slight chance for some thunderstorms, mainly during the afternoon and evening hours. Snow levels will fall to 6500-7000 feet on Saturday and the higher terrain should get the first accumulating snows of the season. 18

LONG TERM /SUNDAY THROUGH WEDNESDAY/. The trough axis finally starts making its way east of the Cascades Sunday, however the back end of the trough still has plenty of moisture for shower chances to continue. Lingering instability will once again give rise for a limited thunderstorm threat over portions of W WA. The aforementioned snow levels will remain fairly static, so once again additional snowfall on the highest terrain remains a possibility. High temps Sunday expected to be impressively below normal /10 or more degrees below in some spots/ with highs only in the lower 60s areawide.

Deterministic models are quick to dry things up as an upper level ridge sets up for the start of next week, however enough uncertainty remains in ensemble members that PoPs cannot be entirely ruled out for the remainder of the forecast period. These PoPs remain low /generally slight chance to low-end chance/ . so the overall thought across the board, deterministic and ensemble, is a relative dry period. High temps each day should be mostly in the 60s. 18

AVIATION. An upper ridge will move through the area today with westerly flow aloft. A strong frontal system will approach the coast tonight. The air mass will be stable. Clear skies this morning after some patchy valley low clouds and fog burns off. High clouds will increase from the west this afternoon. Ceilings will gradually lower tonight as the frontal system reaches the area. Low clouds should develop at the coast, Strait of Juan de Fuca, and north interior Friday morning with occasional reduced visibilities in rain.

KSEA . Clear this morning. Increasing high clouds this afternoon and evening. Mid clouds developing after midnight. Light wind will become northwest 4-8 knots this afternoon then light southeast tonight the south 8-12 knots Friday morning.

Schneider

MARINE. Weak northwesterly onshore flow will prevail today with high pressure off the coast. Southerly winds will develop tonight ahead of an approaching frontal system. The aforementioned vigorous frontal system will bring southerly gales to most waters on Friday. Small craft advisory strength southerly winds will continue most waters on Saturday. Winds will ease below small craft advisory strength on Sunday. High pressure just off the coast will bring weak onshore flow for Monday.

HYDROLOGY. A vigorous frontal system will bring heavy rains to the area Friday and Friday night. River flooding is not expected at this time sharp rises on areas rivers are likely. Due to the dry soils there is some uncertainty as to how long it will take for the water to absorb into the banks, so river conditions will be monitored carefully, particularly for the flood prone Skokomish river in Mason county. Localized minor urban flooding is also possible on Friday in areas of heavier rains.

Butwin

SEW WATCHES/WARNINGS/ADVISORIES. WA . Wind Advisory from 5 AM to 8 PM PDT Friday for Admiralty Inlet Area-Central Coast-North Coast-San Juan County-Western Skagit County-Western Whatcom County.

PZ . Gale Warning from 5 AM to 11 PM PDT Friday 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.

Gale Warning from 5 AM to 5 PM PDT Friday for East Entrance U.S. Waters Strait Of Juan De Fuca-Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory from 8 AM to 11 PM PDT Friday for Admiralty Inlet-Puget Sound and Hood Canal.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 17 mi57 min WNW 4.1 G 4.1
TCNW1 - 9446484 - Tacoma, WA 18 mi57 min 56°F1022.3 hPa
WPOW1 - West Point, WA 23 mi51 min N 6 G 7 54°F 1022.3 hPa (+0.5)50°F
PTWW1 - 9444900 - Port Townsend, WA 49 mi57 min ENE 1 G 2.9 54°F 52°F1023 hPa

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bremerton, Bremerton National Airport, WA7 mi55 minENE 610.00 miFair57°F44°F62%1022.3 hPa
Tacoma, Tacoma Narrows Airport, WA11 mi58 minVar 610.00 miFair54°F48°F80%1021.7 hPa
Tacoma / McChord Air Force Base, WA20 mi53 minN 010.00 miFair55°F44°F67%1022.1 hPa
Seattle, Seattle-Tacoma International Airport, WA21 mi58 minNNE 910.00 miA Few Clouds57°F46°F67%1022.2 hPa
Fort Lewis / Gray U. S. Army Airfield, WA22 mi53 minN 010.00 miFair55°F44°F67%1021.7 hPa
Boeing Field - King County International Airport, WA23 mi58 minNW 310.00 miA Few Clouds57°F48°F72%1021.7 hPa

Link to 5 minute data for KPWT

Wind History from PWT (wind in knots)
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Last 24hrE534N33NE4E4NE7NE4NE4NE5NE7CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4NE6
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SW12SW14SW6S6S5CalmS3SW3CalmCalmNE5E4E3E5E3E5E64
2 days ago34354E5NE8NE6NE7NE6NE4CalmCalmCalmNE5CalmCalmCalmCalmCalmCalmCalmCalm4

Tide / Current Tables for Wauna, Washington
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Wauna
Click for Map
Thu -- 12:44 AM PDT     11.10 feet High Tide
Thu -- 01:21 AM PDT     Moonset
Thu -- 06:49 AM PDT     Sunrise
Thu -- 08:30 AM PDT     -0.60 feet Low Tide
Thu -- 04:01 PM PDT     12.86 feet High Tide
Thu -- 05:53 PM PDT     Moonrise
Thu -- 07:19 PM PDT     Sunset
Thu -- 09:40 PM PDT     6.70 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.811.110.59.27.352.60.6-0.5-0.40.835.88.610.912.412.912.4119.37.86.96.87.5

Tide / Current Tables for Deception Island, 1.0 miles W of, Washington Current
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Deception Island
Click for Map
Thu -- 01:21 AM PDT     Moonset
Thu -- 03:50 AM PDT     -1.19 knots Max Ebb
Thu -- 06:50 AM PDT     Sunrise
Thu -- 09:16 AM PDT     0.00 knots Slack
Thu -- 01:57 PM PDT     0.88 knots Max Flood
Thu -- 04:24 PM PDT     -0.00 knots Slack
Thu -- 05:36 PM PDT     -0.46 knots Max Ebb
Thu -- 05:53 PM PDT     Moonrise
Thu -- 07:19 PM PDT     Sunset
Thu -- 10:43 PM PDT     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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-0-0.3-0.7-1.1-1.2-1.1-0.9-0.7-0.4-0.10.30.60.80.90.90.70.2-0.3-0.5-0.4-0.4-0.3-0.10.1

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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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