Thursday, January23, 2020
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Marine Weather and Tides
Maplewood, WA

Version 3.4
NOTICE
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 7:44AMSunset 4:59PM Thursday January 23, 2020 12:13 PM PST (20:13 UTC) Moonrise 7:12AMMoonset 3:49PM Illumination 2% Phase: Waning Crescent; Moon at 28 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 Pst Thu Jan 23 2020
.small craft advisory in effect through this evening...
Today..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain likely in the morning then rain in the afternoon.
Tonight..S wind 15 to 25 kt easing to 10 to 20 kt after midnight. Wind waves 2 to 4 ft. Rain.
Fri..S wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of rain in the morning then rain likely in the afternoon.
Fri night..S wind 15 to 25 kt easing to 5 to 15 kt after midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less after midnight.
Sat..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sat night..NE wind 5 to 15 kt in the evening becoming light. Wind waves 2 ft or less.
Sun..SE wind to 10 kt becoming S 5 to 15 kt. Wind waves 2 ft or less.
Mon..S wind to 10 kt. Wind waves 1 ft or less.
PZZ100 229 Am Pst Thu Jan 23 2020
Synopsis for the northern and central washington coastal and inland waters..A cold front will push inland Thursday and Thursday night. Active weather will continue into early next week as additional weather systems move across the area.


7 Day Forecast for Marine Location Near Maplewood, WA
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location: 47.33, -122.55     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 231120 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 320 AM PST Thu Jan 23 2020

SYNOPSIS. Active weather will continue over the next week as a series of weather systems move across the area. Additional rain today will be enough for a few rivers flowing off the Cascades and Olympics to reach flood stage. Periods of rain will then persist for the remainder of the week through most of the weekend, preventing river levels from dropping much, if at all.

SHORT TERM /TODAY THROUGH SATURDAY/. Current radar shows a fair amount of the CWA stuck in-between waves of precipitation . with one band focused primarily over the northern and central Cascades while the second wave is concentrated over northern portions of the Olympic Peninsula and along the coast. Should current radar trend hold . precip associated with this second wave should start to fill in the SW interior and the I-5 corridor by the middle of the morning commute . say around 7 AM PST.

None of this should come as any surprise . given the wet and active period prior to today and the continued wet and active conditions expected in the forecast. The front associated with the aforementioned second wave of precip is not in any hurry to move through the area as forecast models keep it in place for much of the day until it is pushed along only by its parent upper level trough . thus affording W WA little to no break in the rain. And rain it shall be as snow levels will remain above most of the passes throughout today and even into the evening sitting around 6000-7000 ft into the overnight hours tonight Of course. this brings its own unique problems . as rainfall coming off the Cascades and Olympics will give rise to hydro issues For more details on that. please refer to the Hydrology section below. The last feature to discuss for today would be wind . as breezy to locally windy conditions are possible . favoring the usual suspects of the North Interior and along the coast . but speeds are expected to remain below any headline criteria.

An upper level trough will cross over W WA for the day Friday keeping rain in the forecast . but likely to be more of a showery type scenario. A weak upper level ridge moves quickly through the area Friday night before the next front starts to push onto the coast very early Saturday morning bringing with it more rain. Models agree that this might actually be short lived as the front deteriorates as it moves eastward over the region . and even go so far as to suggest that portions of Saturday afternoon and evening might even catch a bit of a break in rainfall. A system pushing up from OR Saturday night . however . will ensure that any respite will indeed be brief.

LONG TERM /SUNDAY THROUGH WEDNESDAY/. Said north moving system will bring continued wet conditions to the area Sunday morning before ejecting into British Columbia by the afternoon. Lingering moisture as well as an incoming upper level trough will look to keep conditions wet throughout the remainder of Sunday and into Monday morning By this point in the forecast. models agree in a series of shortwaves passing through the area but details such as timing and precip amounts . as one would expect . begin to vary. Another mitigating factor is that the GFS starts to suggest the prospect of some rain shadowing for portions of the CWA. Not enough confidence exists at this time to pinpoint any lucky locations . and as such will side with the trend in maintaining an active and generally wet forecast throughout the long term period. 18

AVIATION. Southwesterly flow aloft as an upper level trough approaches the area. A front will shift inland today into tonight. The air mass is moist and stable. VFR/MVFR cigs early this morning most sites MVFR by 12z and through most of today. IFR possible in spots, especially PWT through this afternoon. Rain at times today with reduced vsbys in rain. Sustained south winds 8 to 12 knots with a few gusts up to 19 knots. JD

KSEA . VFR cigs will transition to MVFR around 12z. MVFR for today with IFR possible, mainly during rain. South wind 7 to 12 knots. JD

MARINE. A cold front will move across the area today. Gales are possible for the coastal waters through this morning. Gale Warning issued for the Eastern Strait for early this morning with strong south winds. Small Craft Advisory level winds elsewhere. Winds will ease a bit Thursday night. The pattern will be active through early next week with multiple weather systems cross the area.

High astronomical tide and somewhat low atmospheric pressure the next few mornings may lead to a few spots of minor tidal overflow. JD

HYDROLOGY. High snow level and continued rainfall over the mountains will continue to provide an active hydrologic scenario over W WA for much of the forecast period as rivers flowing off the Olympics and Cascades will see levels continue to rise. In addition . although conditions seem to be below thresholds at the time of this writing . the prospects for landslides will also continue to rise as this wet and active period continues. That being said . the inherited Flood Watch will remain in place as rivers within W WA likely to see continued rises. The Skokomish remains in flood stage and . while currently below current forecast . is still expected to see continued rises throughout the day and is likely to reach moderate flood levels by mid to late morning today and is expected to remain above flood levels at least into this weekend. Other W WA rivers may be flowing high through the rest of the weekend. Another period of warm and wet weather may renew the river flooding threat early next week.

SEW WATCHES/WARNINGS/ADVISORIES. WA . Flood Watch from 7 AM PST this morning through Friday afternoon for Bellevue and Vicinity-Cascades of Pierce and Lewis Counties-Cascades of Snohomish and King Counties-Cascades of Whatcom and Skagit Counties-East Puget Sound Lowlands- Everett and Vicinity-Seattle and Vicinity-Southwest Interior-Tacoma Area-Western Skagit County-Western Whatcom County.

Flood Watch through late tonight for Admiralty Inlet Area- Central Coast-Eastern Strait of Juan de Fuca-Hood Canal Area-Lower Chehalis Valley Area-North Coast-Olympics- Western Strait of Juan De Fuca.

Coastal Flood Advisory until 8 AM PST this morning for Admiralty Inlet Area.

PZ . Small Craft Advisory until 4 AM PST Friday for Grays Harbor Bar.

Small Craft Advisory from noon today to 8 PM PST this evening 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 until noon PST today 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 7 AM this morning to 8 PM PST this evening for East Entrance U.S. Waters Strait Of Juan De Fuca.

Gale Warning until 7 AM PST this morning for East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 8 PM PST this evening for Admiralty Inlet-Northern Inland Waters Including The San Juan Islands- Puget Sound and Hood Canal.

Small Craft Advisory until 10 AM PST this morning 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
TCMW1 - 9446482 - Tacoma Met, WA 8 mi55 min SSE 4.1 G 8.9
TCNW1 - 9446484 - Tacoma, WA 8 mi67 min 53°F 49°F1014.4 hPa
WPOW1 - West Point, WA 24 mi73 min S 15 G 16 51°F 1014.3 hPa (-0.0)50°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma, Tacoma Narrows Airport, WA4 mi20 minS 91.00 miLight Rain Fog/Mist52°F50°F93%1013.9 hPa
Tacoma / McChord Air Force Base, WA12 mi75 minSSE 98.00 miLight Rain52°F52°F100%1014.7 hPa
Seattle, Seattle-Tacoma International Airport, WA15 mi20 minS 73.00 miLight Rain Fog/Mist53°F51°F93%1014.5 hPa
Bremerton, Bremerton National Airport, WA16 mi17 minSSW 91.75 miRain Fog/Mist51°F50°F96%1014.2 hPa
Fort Lewis / Gray U. S. Army Airfield, WA17 mi75 minSE 114.00 miRain53°F52°F100%1014.3 hPa
Boeing Field - King County International Airport, WA19 mi20 minSSE 72.00 miLight Rain Fog/Mist54°F51°F90%1013.9 hPa
Renton Municipal Airport, WA21 mi20 minESE 42.00 miLight Rain Fog/Mist52°F50°F93%1014.4 hPa
Pierce County-Thun Field, WA21 mi38 minSSE 64.00 miLight Drizzle52°F51°F100%1014.2 hPa

Link to 5 minute data for KTIW

Wind History from TIW (wind in knots)
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Last 24hrNE4CalmCalmCalmS3S4S4E3CalmCalmS8CalmCalmS9S7S9S7S9S6W4S11
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S13S14S12S11S12S10S9S6S6S3CalmCalm3Calm
2 days agoCalmCalmCalmCalmCalmE3CalmCalmCalmCalmCalmW3W6SW6CalmSE3S12
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Tide / Current Tables for Gig Harbor, Washington
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Gig Harbor
Click for Map
Thu -- 05:26 AM PST     12.75 feet High Tide
Thu -- 07:11 AM PST     Moonrise
Thu -- 07:46 AM PST     Sunrise
Thu -- 10:35 AM PST     7.52 feet Low Tide
Thu -- 03:09 PM PST     11.26 feet High Tide
Thu -- 03:49 PM PST     Moonset
Thu -- 04:58 PM PST     Sunset
Thu -- 10:32 PM PST     -1.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.44.27.29.811.712.712.611.6108.57.77.68.39.510.711.2119.87.95.32.50-1.4-1.4

Tide / Current Tables for Gig Harbor Entrance, Washington Current
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Gig Harbor Entrance
Click for Map
Thu -- 12:43 AM PST     1.34 knots Max Flood
Thu -- 05:02 AM PST     -0.01 knots Slack
Thu -- 07:11 AM PST     Moonrise
Thu -- 07:46 AM PST     Sunrise
Thu -- 08:54 AM PST     -0.88 knots Max Ebb
Thu -- 10:29 AM PST     0.00 knots Slack
Thu -- 12:23 PM PST     0.57 knots Max Flood
Thu -- 03:06 PM PST     -0.01 knots Slack
Thu -- 03:49 PM PST     Moonset
Thu -- 04:57 PM PST     Sunset
Thu -- 08:05 PM PST     -1.61 knots Max Ebb
Thu -- 10:34 PM PST     0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.31.20.90.40-0.4-0.6-0.8-0.9-0.40.20.50.50.30-0.4-0.9-1.3-1.5-1.6-1.4-0.70.3

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
Wind Forecast for Seattle, WA (15,3,4,5)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.