Saturday, September26, 2020
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Marine Weather and Tides
Anderson Island, WA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:03AMSunset 7:01PM Saturday September 26, 2020 6:46 PM PDT (01:46 UTC) Moonrise 4:18PMMoonset 12:16AM Illumination 74% 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- 256 Pm Pdt Sat Sep 26 2020
Tonight..SW wind 5 to 15 kt becoming S after midnight. Wind waves 2 ft or less. A chance of showers in the evening then a slight chance of showers after midnight.
Sun..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less. Patchy fog in the morning.
Sun night..N wind to 10 kt. Wind waves 1 ft or less.
Mon..N wind 5 to 15 kt becoming 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft.
Mon night..N wind 5 to 15 kt. Wind waves 2 ft or less.
Tue..N wind 5 to 15 kt. Wind waves 2 ft or less.
Tue night..N wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Wed..Light wind becoming N to 10 kt. Wind waves 1 ft or less.
Thu..N wind to 10 kt. Wind waves 1 ft or less.
PZZ100 256 Pm Pdt Sat Sep 26 2020
Synopsis for the northern and central washington coastal and inland waters..Weak onshore flow will continue with high pressure building over the coastal waters. The high will move inland tonight. The flow will turn offshore Sunday night as a thermal surface low develops along the coast. This offshore flow pattern will continue into the middle of the week.


7 Day Forecast for Marine Location Near Anderson Island, WA
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location: 47.11, -122.73     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 262206 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 306 PM PDT Sat Sep 26 2020

SYNOPSIS. A weak system moving through today for some showers across the area. Drier by Sunday afternoon through much of next week with warmer temperatures as ridging builds over the area.

SHORT TERM /TONIGHT THROUGH TUESDAY/. Mostly cloudy this afternoon across Western Washington as a weak shortwave moves through the area. Scattered showers this afternoon will be more spotty in nature heading into the evening. A Puget Sound Convergence Zone will develop this afternoon over Snohomish County and slide south through the evening into the King County area. Drier weather by late tonight into Sunday as ridging offshore builds into Western Washington. Morning clouds and some patchy fog on Sunday with light flow will clear for some afternoon sunshine. Highs on Sunday will be in the 60s across the area.

Ridging will build into the area Monday with high pressure over Western Washington through much of the week. Flow will transition offshore by Monday for warmer temperatures. Highs on Monday will be in the 70s for most with low 80s possible by Tuesday across the Southwest Interior and southern Puget Sound with the offshore flow through Tuesday.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Dry and warmer weather through Saturday with the ridge over Western Washington. Wednesday will likely be the warmest day for interior locations with highs in the upper 70s to low 80s. Flow turns light Thursday into Friday as the ridge shifts slightly east. Dry and warm through Friday with highs in the 70s. Onshore flow may increase a bit into Saturday for slighter cooler temperatures. Highs on Saturday into the upper 60s to low 70s. JD

AVIATION. Northwesterly flow aloft will continue over W WA through Sunday as upper level ridge builds offshore. Weak system moving through the area at the time of this writing bringing scattered showers to the area. Models still point to the development of a convergence zone the central Puget Sound by late this afternoon and into the early evening hours. Low level onshore flow will persist into Sunday.

Cigs VFR to MVFR area-wide this afternoon. As showers continue to move through the area . locations seeing rainfall most prone to have cigs dip down into MVFR. PSCZ development this afternoon may also drag SEA, BFI, PWT and PAE down into MVFR or possibly very brief IFR conditions. Lingering low level moisture will allow for more widespread MVFR conditions late tonight and into Sunday morning. Locations more prone to lower cigs and for likely to see IFR conditions emerge. Conditions will improve throughout the mid to late morning with widespread VFR conditions by Sunday afternoon.

KSEA . VFR conditions currently with increasing clouds as system starts to make its way over the terminal. Cigs likely to fall into MVFR as showers move in and likely to remain there as PSCZ develops this afternoon into early evening. Short-lived improvement during the evening with VFR cigs returning before dipping back down to MVFR as low level moisture lingers overnight. VFR expected to return by Sunday afternoon. 18

MARINE. Weak system moving through the waters this afternoon. Onshore flow behind the front with high pressure building over the coastal waters. The high will move inland tonight. The flow will turn offshore Sunday night as a thermal surface low develops along the coast. The offshore flow pattern will continue into the middle of the week.

Small craft advisory westerlies for the central and eastern entrance of Strait of Juan de Fuca tonight behind the front. Swells have diminished and allowed SCA for seas to expire. Afternoon ebb current will warrant SCA for rough bar to linger into this afternoon . but will likely cancel it before issuance of afternoon forecast package. 18

HYDROLOGY. The daily hydrology discussion has ended until the start of the next rainy season; it will only be updated as needed until then.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory from 6 PM this evening to 5 AM PDT Sunday for Central U.S. Waters Strait Of Juan De Fuca-East 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
46121 12 mi34 min 5.8 62°F 1021.1 hPa54°F
TCMW1 - 9446482 - Tacoma Met, WA 20 mi47 min SW 12 G 16
TCNW1 - 9446484 - Tacoma, WA 20 mi47 min 62°F 55°F1021.7 hPa (+0.4)
WPOW1 - West Point, WA 41 mi47 min S 5.1 G 6 58°F 1021 hPa (+1.5)56°F
46120 48 mi35 min Calm 59°F 1020.2 hPa54°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Lewis / Gray U. S. Army Airfield, WA8 mi49 minS 710.00 miFair60°F60°F100%1022 hPa
Olympia, Olympia Airport, WA13 mi53 minSSW 510.00 miFair60°F55°F84%1021.9 hPa
Tacoma / McChord Air Force Base, WA14 mi49 minS 810.00 miA Few Clouds60°F55°F86%1022.1 hPa
Tacoma, Tacoma Narrows Airport, WA14 mi54 minSSW 910.00 miFair57°F53°F87%1021.4 hPa
Pierce County-Thun Field, WA23 mi52 minSSW 510.00 miMostly Cloudy59°F57°F94%1022 hPa
Shelton, Shelton Sanderson Field, WA24 mi54 minWSW 710.00 miMostly Cloudy61°F55°F81%1020.9 hPa

Link to 5 minute data for KGRF

Wind History from GRF (wind in knots)
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Last 24hrS5S7SE9SE6SE8SE8SE6SE7SE8--SE7SE5SE6SE6SE9SE10S7S9S11----SW10S7S7
1 day agoSE3S6SE7SE5SE6SE3SE5SE7SE7SE9
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2 days agoSW3S9--S11SE9SE10SE9SE9SE10SE10S8S10S7S4S3S8S7--S8S4S6SW3NW5E4

Tide / Current Tables for Dupont Wharf, Washington
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Dupont Wharf
Click for Map
Sat -- 12:54 AM PDT     10.73 feet High Tide
Sat -- 01:15 AM PDT     Moonset
Sat -- 07:03 AM PDT     Sunrise
Sat -- 08:19 AM PDT     0.30 feet Low Tide
Sat -- 03:49 PM PDT     13.26 feet High Tide
Sat -- 05:18 PM PDT     Moonrise
Sat -- 06:59 PM PDT     Sunset
Sat -- 09:44 PM PDT     6.44 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.310.710.39.27.55.331.20.40.61.94.16.89.511.612.913.212.5119.17.66.66.57.1

Tide / Current Tables for Nisqually Reach, Washington Current
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Nisqually Reach
Click for Map
Sat -- 12:47 AM PDT     -0.00 knots Slack
Sat -- 01:15 AM PDT     Moonset
Sat -- 05:21 AM PDT     -1.17 knots Max Ebb
Sat -- 07:03 AM PDT     Sunrise
Sat -- 08:43 AM PDT     0.00 knots Slack
Sat -- 11:51 AM PDT     1.06 knots Max Flood
Sat -- 03:43 PM PDT     -0.00 knots Slack
Sat -- 05:18 PM PDT     Moonrise
Sat -- 06:59 PM PDT     Sunset
Sat -- 07:23 PM PDT     -0.78 knots Max Ebb
Sat -- 09:47 PM PDT     0.00 knots Slack
Sat -- 11:53 PM PDT     0.44 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.2-0.1-0.4-0.8-1-1.2-1.1-0.9-0.50.20.711.10.90.70.3-0.1-0.4-0.6-0.8-0.7-0.40.10.4

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
Ground Weather Radar Station Seattle/Tacoma, WA
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