Monday, April19, 2021
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Marine Weather and Tides
Shelton, WA

Version 3.4
NOTICE
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 6:13AMSunset 8:07PM Monday April 19, 2021 3:53 PM PDT (22:53 UTC) Moonrise 10:06AMMoonset 1:49AM Illumination 55% Phase: First Quarter Moon; Moon at 8 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- 226 Pm Pdt Mon Apr 19 2021
Tonight..NE wind to 10 kt. Wind waves 1 ft or less.
Tue..N wind to 10 kt. Wind waves 1 ft or less.
Tue night..N wind to 10 kt. Wind waves 1 ft or less.
Wed..N wind to 10 kt. Wind waves 1 ft or less.
Wed night..N wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Thu..Light wind becoming S to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..SW wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Fri..SW wind to 10 kt. Wind waves 1 ft or less.
Sat..Light wind becoming S to 10 kt. Wind waves less than 1 ft becoming 1 ft or less.
PZZ100 226 Pm Pdt Mon Apr 19 2021
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will develop and tonight and persist through the week due to high pressure over the ne pacific. Highest wind and waves will be found over the outer coastal waters and the strait of juan de fuca.


7 Day Forecast for Marine Location Near Shelton, WA
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location: 47.2, -123.08     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 192144 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 245 PM PDT Mon Apr 19 2021

SYNOPSIS. Dry and relatively warm conditions will continue most of this week as upper level high pressure remains in place. Onshore flow will slowly strengthen throughout the week, with increasing cloud cover and cooler temperatures likely the latter half of the week. A pattern change is expected this weekend with an organized frontal system bringing rain back to the area.

SHORT TERM /TONIGHT THROUGH THURSDAY/. Still some lingering clouds over the coast and perhaps a little further east as per current satellite. Temperatures remain on average 3 to 5 degrees cooler than yesterday, although some locations, such as Port Angeles and Shelton, are running 7 to 9 degrees cooler than 24 hours ago.

Zooming out to the big picture, upper level ridging remains in place over W WA for much of the short term. A weak shortwave disturbance off the coast will plunge southeastward late this afternoon and evening but will prove to be too far south to have any influence. As such, little in the way in changes to sky cover expected in the short term . clear skies expected to persist for much of the area while coastal locations will likely start off each day with some morning stratus before breaking up by afternoon. Otherwise, the ridge will gradually lessen in intensity Tuesday and Wednesday. This, combined with continued weak onshore flow will keep daytime highs steady with lower to mid 60s along the coast, lower 70s inland.

Thursday sees an upper level trough sagging down from British Columbia, but it looks to be more of an issue for E WA . however, enough moisture associated with this front might nick the far northeastern corner of the CWA, bringing some PoPs back to the area, albeit slight chance. This feature will allow for a drop in temperatures though, as afternoon highs in the lowlands will fall to the mid 60s. Temps along the coast will not see much of a change though, remaining in the mid to upper 50s. 18

LONG TERM /FRIDAY THROUGH MONDAY/. Models continue to agree that the upper level ridge looks to be on its last legs by the time Friday rolls around, sandwiched in between the aforementioned trough and another frontal system just off the coast. This system will push onto the coast and into W WA late Friday/early Saturday. Rain will remain in the forecast into Sunday as the parent upper low slowly moves eastward. Both deterministic models and ensembles have a difficult time agreeing on the track of this low and how much precip can be expected for the start of next week, but given the spread of ensemble members, would be more inclined to lean more toward wetter and more active solutions and thus keeping PoPs in the forecast.

Temps during this time frame return to closer to seasonal normals with lowland afternoon highs in the lower 60s for Friday, mid 50s for Saturday and a slight recovery to the upper 50s to around 60 for both Sunday and Monday. 18

AVIATION. High pressure will lead to dry and stable weather across western WA. The low level flow will turn more NW/W and onshore tonight with stratus clouds pushing inland once again (mainly into the lower Chehalis gap). Elsewhere, expect VFR conditions tonight and Tuesday with mainly mid and high level clouds. 33

KSEA . VFR tonight with light and variable wind 5 kt or less. 33

MARINE. Onshore flow will develop tonight and persist through the week due to high pressure over the NE Pacific. Highest wind and waves will be found over the outer Coastal Waters and the Strait of Juan de Fuca. 33

FIRE WEATHER. Fire weather concerns will remain elevated through mid week as high pressure influence continues over the area. This will keep temps above seasonal normals each afternoon under mostly clear skies as dry conditions persist. Finer fuels (10hr and 100hr fuels) expected to remain in the 5-15% range, which will yield quick fire starts if ignited. Strengthening onshore flow by Thursday, accompanied with increased cloud cover and cooler temperatures will begin to alleviate fire concerns, with a pattern change expected by the weekend that will bring widespread rain to the area.

Kovacik/18

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . None.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 35 mi53 min N 4.1 G 4.1
TCNW1 - 9446484 - Tacoma, WA 36 mi53 min 70°F 49°F1023.3 hPa (-2.0)
WPOW1 - West Point, WA 47 mi53 min Calm G 1 66°F 1023 hPa (-2.0)39°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Shelton, Shelton Sanderson Field, WA4 mi60 minSE 610.00 miFair71°F40°F32%1021.8 hPa
Olympia, Olympia Airport, WA18 mi59 minVar 410.00 miFair72°F36°F27%1022.5 hPa

Link to 5 minute data for KSHN

Wind History from SHN (wind in knots)
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W12W10W8W7W7W7W5W5SW4W6SW3--Calm4SE33SE6
1 day ago--SE4CalmCalmN4N3CalmCalmCalmCalmCalmCalmCalmCalmW3CalmCalmCalmS334W9
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2 days agoNE9
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NE7N3N5CalmCalmSE4CalmCalmW4CalmCalmNW3CalmCalmNE43SE6SE63CalmS5

Tide / Current Tables for Shelton, Washington
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Shelton
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Mon -- 01:22 AM PDT     13.18 feet High Tide
Mon -- 02:49 AM PDT     Moonset
Mon -- 06:16 AM PDT     Sunrise
Mon -- 07:26 AM PDT     6.95 feet Low Tide
Mon -- 10:38 AM PDT     10.67 feet High Tide
Mon -- 11:05 AM PDT     Moonrise
Mon -- 07:02 PM PDT     0.61 feet Low Tide
Mon -- 08:07 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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12.313.11312.210.79.17.777.38.810.310.610.29.27.75.94.12.41.10.61.235.48.1

Tide / Current Tables for Hammersley Inlet, W of Skookum Pt, Washington Current
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Hammersley Inlet
Click for Map
Mon -- 01:13 AM PDT     -0.00 knots Slack
Mon -- 02:48 AM PDT     Moonset
Mon -- 03:46 AM PDT     -0.76 knots Max Ebb
Mon -- 06:15 AM PDT     Sunrise
Mon -- 07:39 AM PDT     0.00 knots Slack
Mon -- 09:53 AM PDT     0.53 knots Max Flood
Mon -- 11:05 AM PDT     Moonrise
Mon -- 11:10 AM PDT     -0.00 knots Slack
Mon -- 03:03 PM PDT     -1.53 knots Max Ebb
Mon -- 07:02 PM PDT     0.00 knots Slack
Mon -- 08:07 PM PDT     Sunset
Mon -- 10:44 PM PDT     1.64 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.1-0.4-0.7-0.8-0.7-0.5-0.30.10.40.50.1-0.5-1-1.4-1.5-1.4-1-0.6-00.51.11.51.6

Weather Map
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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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