Sunday, July12, 2020
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Marine Weather and Tides
Seattle, 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 5:22AMSunset 9:07PM Sunday July 12, 2020 12:28 AM PDT (07:28 UTC) Moonrise 12:00AMMoonset 12:17PM Illumination 57% Phase: Waning Gibbous; Moon at 22 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- 838 Pm Pdt Sat Jul 11 2020
Tonight..SW wind to 10 kt. Wind waves 1 ft or less. Rain likely in the evening then a chance of rain after midnight.
Sun..Light wind becoming ne 5 to 15 kt in the afternoon. Wind waves 2 ft or less. A chance of rain.
Sun night..NE wind 5 to 15 kt. Wind waves 2 ft or less.
Mon..N wind to 10 kt. Wind waves 1 ft or less.
Mon night..N wind 5 to 15 kt becoming ne after midnight. Wind waves 2 ft or less.
Tue..NW wind to 10 kt in the morning becoming light. Wind waves 1 ft or less.
Tue night..NW wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Wed..S wind to 10 kt becoming nw. Wind waves 1 ft or less.
Thu..Light wind. Wind waves less than 1 ft.
PZZ100 838 Pm Pdt Sat Jul 11 2020
Synopsis for the northern and central washington coastal and inland waters..A front is moving through the area this evening into tonight. Varying degrees of onshore flow each day through next week with high pressure offshore and lower pressure inland.


7 Day Forecast for Marine Location Near Seattle, WA
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location: 47.68, -122.41     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 120327 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 827 PM PDT Sat Jul 11 2020

UPDATE. A few showers around the area this evening as a front moves through tonight. Light shower activity around into Sunday morning with drier weather by late Sunday afternoon as ridging builds into Western Washington with some sunshine across the area.

SYNOPSIS. A weak cold front will bring scattered showers tonight into Sunday. Generally dry and seasonable weather expected for early next week although some weak systems may allow for scattered showers at times.

SHORT TERM /TONIGHT THROUGH TUESDAY/. A cold front will move inland this evening bringing showers to the area. Already seeing showers along the coast this afternoon per LGX radar. Scattered showers will continue overnight and into Sunday under post-frontal onshore flow. We may see showers associated with a convergence zone over the central sound through Sunday morning. Drier weather is expected Sunday afternoon as a passing upper level trough exits east. Temps on Sunday remain below normal with highs in the mid 60s to lower 70s.

A ridge will build offshore Monday and Tuesday with dry NW flow over WA. We'll see slightly warmer temperatures, trending back toward normal, on Tuesday. Onshore flow will keep the coast cooler and cloudier with temps in the 60s. 33

LONG TERM /WEDNESDAY THROUGH SATURDAY/. The offshore ridge will flatten by midweek, with the flow over western WA becoming more westerly or zonal. Weak upper level disturbances may trigger a few showers through the end of the week with most of the activity in the Cascades. Temperatures remain close to normal through the period. 33

AVIATION. Westerly flow aloft as an upper trough moves through the area. VFR cigs for most this evening with MVFR across the South Sound and coast. Light showers around into tonight with drier weather into Sunday. Convergence zone activity possible Sunday morning across the central Puget Sound. MVFR late tonight into Sunday morning with VFR for the afternoon. South winds 8 to 14 knots into tonight with lighter winds around 5 to 10 knots into Sunday afternoon.

KSEA . VFR cigs this evening with MVFR tonight as a front moves through. A few showers around into Sunday morning. VFR cigs for Sunday afternoon. South winds 8 to 14 knots tonight. South winds 5 to 10 knots by Sunday afternoon.

MARINE. A front will move through the area into tonight. Small Craft Advisory winds tonight for the central and eastern portions of the Strait of Juan de Fuca. Onshore flow through early next week with times of SCA winds for the Strait of Juan de Fuca with increasing onshore flow.

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 until 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
WPOW1 - West Point, WA 2 mi149 min S 14 G 16 60°F 1020.4 hPa (+0.4)57°F
46120 6 mi35 min S 7.8 61°F 1018.5 hPa55°F
46125 19 mi33 min 59°F 1018.4 hPa54°F
TCMW1 - 9446482 - Tacoma Met, WA 28 mi59 min SSW 8 G 12
TCNW1 - 9446484 - Tacoma, WA 29 mi59 min 63°F 54°F1021.2 hPa
46121 32 mi36 min 3.9 60°F 1020.4 hPa56°F
PTWW1 - 9444900 - Port Townsend, WA 35 mi59 min S 1 G 1.9 56°F 51°F1020 hPa

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boeing Field - King County International Airport, WA12 mi36 minS 1010.00 miOvercast62°F53°F73%1020.1 hPa
Renton Municipal Airport, WA16 mi36 minSSE 510.00 miOvercast61°F54°F78%1020.7 hPa
Everett Snohomish County, WA17 mi36 minSSE 810.00 miOvercast60°F54°F80%1020 hPa
Seattle, Seattle-Tacoma International Airport, WA17 mi36 minSSW 1010.00 miOvercast61°F54°F78%1021 hPa
Bremerton, Bremerton National Airport, WA24 mi33 minSSW 1010.00 miOvercast58°F55°F90%1020.6 hPa

Link to 5 minute data for KBFI

Wind History from BFI (wind in knots)
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Last 24hrCalm3CalmCalmCalmCalmCalmSE4S5SW4SW6S6S8S9SW7SW8SW106SW7S8S8S8S8S10
1 day agoCalmCalmNW3CalmS4S4S4SE5S5S5S84SW6S94SW8CalmS5SW4S3NW4NW4CalmCalm
2 days agoCalmCalmCalmCalmCalmS4S4S4S5S6S6S7S6S8
G15
S74NW75W6W6NW4CalmN3Calm

Tide / Current Tables for Meadow Point, Shilshole Bay, Washington
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Meadow Point
Click for Map
Sun -- 12:41 AM PDT     Moonrise
Sun -- 05:24 AM PDT     Sunrise
Sun -- 05:41 AM PDT     4.05 feet Low Tide
Sun -- 11:05 AM PDT     7.15 feet High Tide
Sun -- 01:17 PM PDT     Moonset
Sun -- 04:31 PM PDT     Last Quarter
Sun -- 04:42 PM PDT     3.50 feet Low Tide
Sun -- 09:05 PM PDT     Sunset
Sun -- 11:36 PM PDT     10.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.69.68.16.454.24.14.55.26.16.97.176.35.44.43.73.54.15.26.78.39.710.5

Tide / Current Tables for Alki Point, 0.3 miles W of, Washington Current
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Alki Point
Click for Map
Sun -- 12:41 AM PDT     Moonrise
Sun -- 02:09 AM PDT     -0.48 knots Max Ebb
Sun -- 05:24 AM PDT     Sunrise
Sun -- 06:41 AM PDT     0.00 knots Slack
Sun -- 08:16 AM PDT     0.14 knots Max Flood
Sun -- 10:35 AM PDT     -0.00 knots Slack
Sun -- 01:17 PM PDT     Moonset
Sun -- 01:51 PM PDT     -0.30 knots Max Ebb
Sun -- 04:31 PM PDT     Last Quarter
Sun -- 05:10 PM PDT     0.00 knots Slack
Sun -- 08:00 PM PDT     0.41 knots Max Flood
Sun -- 09:05 PM PDT     Sunset
Sun -- 11:16 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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-0.3-0.4-0.5-0.5-0.4-0.2-0.100.10.10.1-0-0.2-0.3-0.3-0.3-0.2-00.20.30.40.40.20.1

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 (3,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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Disclaimer:
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.