Thursday, April22, 2021
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Marine Weather and Tides
Ronald, 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 5:58AMSunset 8:02PM Thursday April 22, 2021 7:49 PM PDT (02:49 UTC) Moonrise 1:30PMMoonset 3:28AM Illumination 85% Phase: Waxing Gibbous; Moon at 11 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- 337 Pm Pdt Thu Apr 22 2021
Tonight..S wind to 10 kt. Wind waves 1 ft or less.
Fri..S wind 5 to 15 kt. Wind waves 2 ft or less.
Fri night..Variable wind 5 to 15 kt becoming S after midnight. Wind waves 2 ft or less. A chance of rain in the evening then rain likely after midnight.
Sat..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sat night..SW wind 10 to 20 kt. Wind waves 1 to 3 ft.
Sun..S wind 10 to 20 kt in the morning becoming light. Wind waves 1 to 3 ft in the morning becoming less than 1 ft.
Sun night..Light wind. Wind waves less than 1 ft.
Mon..Light wind becoming sw to 10 kt. Wind waves less than 1 ft becoming 1 ft or less.
Tue..Light wind becoming sw to 10 kt. Wind waves less than 1 ft becoming 1 ft or less.
PZZ100 337 Pm Pdt Thu Apr 22 2021
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will persist through the rest of today with high pressure remaining over the northeastern pacific. A weak frontal system will move across the waters early Friday morning with a second weak system expected to move through Sunday.


7 Day Forecast for Marine Location Near Ronald, WA
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location: 47.25, -121.08     debug


Area Discussion for - Pendleton, OR
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FXUS66 KPDT 222353 CCA AFDPDT

Area Forecast Discussion National Weather Service Pendleton OR 453 PM PDT Thu Apr 22 2021

.Corrected days of forecast for the long term discussion

SHORT TERM. Tonight through Saturday . Shortwave trough and back door cold front moving across ID/Western MT are clipping the intermountain west this afternoon, with shower activity around the Spokane area. Models continue to indicate isolated showers developing over the northern Blues in WA and across Wallowa county this afternoon as this system moves over the eastern periphery of the CWA. With weak instability within this area and thunder already being observed in northeast WA, cannot rule a slight chance of thunder in these areas. Westerly winds through the Cascade gaps and into the Columbia Basin will also continue through the late afternoon as cross Cascade thermal gradient persists. Tomorrow, dry and calm conditions return as upper level ridge of high pressure over the eastern Pacific moves into the PacNW. Cloud cover will being to increase as ridge axis passes east over the region. By Friday night, ridge axis will be pushed into eastern WA/OR as an upper level low over the northeast Pacific pushes a shortwave trough and cold front into the PacNW. This will put the region under a moist southwest flow aloft into Saturday morning. Upper level shortwave trough and cold front will push across the region through Saturday morning, with precipitation chances increasing from west to east. Snow levels will be high enough ahead of this system that mountain slopes below the Cascade crests will mainly see rain showers with this initial system while lowland areas across the forecast area will at least see a chance of rain showers with trace amounts of rain early Saturday. By Saturday night, precipitation chances will drop off in the Basin and adjacent valleys, with chances of rain/snow showers possible in the mountains. Breezy westerly winds will also develop ahead of this system and persist through Saturday, especially through the Cascade gaps. Temperatures will be on a cooling trend into the weekend as the system today and Saturday filter in a cooler airmass into the region. Lawhorn/82

LONG TERM. Saturday night through Thursday . The axis of the organized low impacting our area over the weekend will begin to move onshore Sunday. PoPs will persist primarily in the mountains and central OR, as SW flow aloft advects moisture into the CWA, with the lower Basin seeing only slight chance PoPs. Another round of light precip is possible early Monday on the back end of the low, as deterministic GFS and ECMWF show strong NW flow aloft leading to some upslope showers along the mountains. Snow levels will dip a bit as colder air moves in behind the low, however are expected to remain above 4000 ft across the forecast area through the duration of the low's passage.

Tuesday and beyond, ensembles show ridging taking over for the rest of the work week, beginning another warming trend. Models disagree on the strength of this high, however, with deterministic models and NBM suggesting sufficient flow aloft for some mountain PoPs through the majority of the work week. The lower elevations, however, look to remain dry for the remainder of the long term period beyond Monday night. Highs expected to climb into the low to mid 70s by the end of next week in the valleys, while the mountains see 50s and 60s. 74

AVIATION. 00Z TAFs . VFR conditions will persist through the next 24 hours. Skies will become clear this evening and then later tonight mid and high clouds will increase again. On Friday clouds will continue to increase, but it will remain dry at all terminals. Winds will be lighter on Friday with speeds generally less than 10 kts. 88

PRELIMINARY POINT TEMPS/POPS. PDT 41 67 44 59 / 10 0 10 50 ALW 44 69 47 60 / 10 0 10 60 PSC 44 71 51 64 / 10 0 10 40 YKM 39 68 45 60 / 0 0 20 60 HRI 44 70 47 63 / 10 0 10 50 ELN 39 66 41 55 / 0 0 20 50 RDM 28 68 37 57 / 0 0 30 60 LGD 38 64 42 51 / 20 0 10 70 GCD 35 67 42 56 / 0 0 20 70 DLS 43 69 46 59 / 0 0 30 70

PDT WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None.



SHORT TERM . 82 LONG TERM . 74 AVIATION . 88


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 71 mi49 min WSW 8.9 G 11
TCNW1 - 9446484 - Tacoma, WA 71 mi49 min 61°F 49°F1014.3 hPa (-0.3)

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stampede Pass, WA14 mi53 minW 710.00 miA Few Clouds41°F33°F73%1013.8 hPa

Link to 5 minute data for KSMP

Wind History from SMP (wind in knots)
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Last 24hr6W9
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W7544444SW4SW5SW65SW6SW5SW7SW8SW84456--W7
1 day agoCalmCalmCalmCalmSE3CalmCalmCalmCalmCalmSW3SW34SW5443CalmW8NW86
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2 days agoCalm33CalmCalmCalmN3N3N3N33433NE333CalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Des Moines, Washington
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Des Moines
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Thu -- 02:40 AM PDT     11.45 feet High Tide
Thu -- 04:33 AM PDT     Moonset
Thu -- 06:07 AM PDT     Sunrise
Thu -- 08:55 AM PDT     5.76 feet Low Tide
Thu -- 01:26 PM PDT     8.27 feet High Tide
Thu -- 02:34 PM PDT     Moonrise
Thu -- 08:08 PM PDT     Sunset
Thu -- 08:09 PM PDT     1.36 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.710.411.311.410.89.78.36.965.86.16.87.68.28.27.56.44.93.321.41.735

Tide / Current Tables for Duwamish Waterway, Washington
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Duwamish Waterway
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Thu -- 02:36 AM PDT     10.78 feet High Tide
Thu -- 04:33 AM PDT     Moonset
Thu -- 06:06 AM PDT     Sunrise
Thu -- 08:58 AM PDT     5.42 feet Low Tide
Thu -- 01:22 PM PDT     7.79 feet High Tide
Thu -- 02:34 PM PDT     Moonrise
Thu -- 08:09 PM PDT     Sunset
Thu -- 08:12 PM PDT     1.28 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.29.810.610.710.29.17.86.55.75.45.76.47.27.77.7764.63.11.91.31.62.84.7

Weather Map
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GEOS Local Image of PacificNorthwest    EDIT
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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