Saturday, May30, 2020
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Marine Weather and Tides
Hansville, 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 5:13AMSunset 9:00PM Saturday May 30, 2020 4:46 PM PDT (23:46 UTC) Moonrise 12:23PMMoonset 1:32AM Illumination 64% Phase: Waxing Gibbous; Moon at 9 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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PZZ134 Admiralty Inlet- 252 Pm Pdt Sat May 30 2020
.small craft advisory in effect through late tonight...
Tonight..NW wind 20 to 30 kt. Wind waves 3 to 5 ft. Rain and a chance of tstms in the evening then rain likely after midnight.
Sun..NW wind 5 to 15 kt. Wind waves 2 ft or less. A chance of rain.
Sun night..NW wind 5 to 15 kt. Wind waves 2 ft or less. A slight chance of rain in the evening.
Mon..NW wind 5 to 15 kt becoming to 10 kt in the afternoon. Wind waves 2 ft or less.
Mon night..NW wind 10 to 20 kt. Wind waves 1 to 3 ft.
Tue..Variable wind to 10 kt becoming N in the afternoon. Wind waves 1 ft or less.
Tue night..NW wind 5 to 15 kt. Wind waves 2 ft or less.
Wed..Variable wind to 10 kt becoming nw 10 to 20 kt. Wind waves 1 ft or less building to 1 to 3 ft.
Thu..Variable wind to 10 kt becoming nw. Wind waves 1 ft or less.
PZZ100 252 Pm Pdt Sat May 30 2020
Synopsis for the northern and central washington coastal and inland waters..A vigorous weather system will cross the area today with a burst of strong onshore flow behind this feature tonight. Weaker onshore flow will continue after that into the middle of next week with high pressure offshore and lower pressure inland. A weak frontal system will brush the area later Tuesday.


7 Day Forecast for Marine Location Near Hansville, WA
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location: 47.9, -122.6     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 302116 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 216 PM PDT Sat May 30 2020

SYNOPSIS. An uncommon severe weather event will continue to unfold across the Pacific Northwest today and tonight, bringing thunderstorm potential, a few of which could be strong to severe, to portions of western Washington. Conditions will slowly improve through the day Sunday, with dry conditions persisting into parts of Tuesday. A few weak systems may bring showers to the area through mid week. By the end of next week, stronger large scale trough influence likely to yield wetter and cooler conditions.

SHORT TERM /TONIGHT THROUGH TUESDAY/. Quite an active weather day today across the Pacific Northwest, and even just a quick glimpse at an afternoon water vapor loop will explain why this has been the case. Broad scale cyclonic flow is noted extending from the Gulf of Alaska southward to the offshore waters of the Washington and Oregon coasts. Numerous smaller scale perturbations can then be seen rotating about this larger scale flow regime, some of which can be detected in the vicinity of the WA/OR Coasts. As if this were not enough, a closed low continues to migrate inland the central California vicinity where it carries a slight negative tilt. At the sfc, a messy area of low pressure and associated frontal boundary can be detected across eastern OR.

Earlier this morning, a large swath of moderate to heavy rainfall pushed from south to north across western Washington. Mid level lapse rates and some jet dynamics were strong enough to support the development of embedded thunderstorms, some of which had quite impressive echo tops and carried a threat for wind, hail, and lightning. Since then, shower and embedded lightning continue, tho lapse rates weakened. Of note while this occurred was clearing across eastern and south-central Oregon, which lies closer to the stronger PVA associated with the CA closed low. Daytime heating commenced in tandem with the nearby upper level forcing to provide for rapidly steepening lower level lapse rates and destabilization. As of 20z, storm development was noted. The trajectory of this convection in OR will be closely monitored through the evening hours across western Washington. As the negative tilt California closed low begins its journey N/NE this afternoon and evening, the best environment for the development and maintenance of severe thunderstorm activity will remain to our south and east. That being said, there still may be enough destabilization amidst strong deep layer shear near the Cascade crest and adjacent foothills for a few strong-severe storms to develop. It is also possible that storms to our south advect into the southern CWA and/or western Washington Cascades. However, this morning's widespread convective event may inhibit severe potential going forward today to some degree, so that uncertainty coupled with the fact that best dynamics lie east of us and that hi-res model guidance is essentially been of little use will likely cause today's forecast to become more of a nowcast.

The California low will get absorbed into the larger cyclonic flow overnight as it passes across eastern Washington, taking larger scale forcing away with it. Aside from thunderstorm chances near the Cascades into the overnight hours, expect to see precip chances gradually diminish from south to north into Sunday. A weak shortwave trough will pass through the area on Sunday, so isolated shower activity may hang with us for part of the day, but its passage looks largely dry. Very weak shortwave ridging to perhaps quasi-zonal flow appears to take form over the local area for Monday and part of Tuesday. There appears the potential for a weak front to clip the northern half of the CWA the second half of the day on Tuesday, bringing a few showers with it.

Kovacik

LONG TERM /WEDNESDAY THROUGH SATURDAY/. The flow looks to turn more zonal by mid-week as a large scale area of low pressure becomes more progressive across the Gulf of Alaska. Spotty shower activity appears possible Wednesday and Thursday as embedded shortwaves pass thru this flow pattern. Ensemble guidance then deepens this large scale trough into the western US, pointing the end of this forecast period to that of wetter and cooler conditions.

Kovacik

AVIATION. A vigorous upper short wave will move up from the south today and through the area tonight in southerly flow aloft. At the surface, onshore flow today will increase tonight. Still slightly unstable conditions in place over W WA . so while any further thunderstorm activity may be limited . it is still possible.

Cigs over W WA a mixed bag. Generally VFR conditions in locations not under shower activity while locations seeing precip have MVFR to isolated IFR conditions. As incoming weather system draws closer . cigs expected to lower with widespread MVFR conditions with some IFR present as low to mid level moisture becomes more prevalent.

KSEA . Convection continues to be an issue . but with morning activity it has proven difficult for any thunderstorms to get any real traction As such. will likely take TS out of the TAF at next update Chances are not non-zero. but very much seem to be well below the threshold for any mention in forecast. Northerly wind 5- 10 knots will become southerly 10-15 knots early this evening. 18

MARINE. Onshore flow today resulting in small craft advisory strength westerly winds in the Coastal Waters and the Strait of Juan de Fuca . though not yet developed in Admiralty Inlet.

A weather system will move up from the southwest this afternoon and evening. There will be a burst of stronger onshore flow behind this system tonight with gale force west winds in the Strait and small craft advisory strength winds all other waters. Inherited headlines look good an will remain in place for afternoon forecast issuance.

A more modest onshore flow pattern will set up on Sunday and continue through the middle of next week. This pattern favors small craft advisory strength west winds for the central and eastern Strait of Juan de Fuca each evening.

A weak frontal system will brush the area later Tuesday but it does not look like it will have much impact. Schneider/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 until 11 AM PDT Sunday 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 until 5 PM PDT this afternoon for Central U.S. Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.

Gale Warning from 5 PM this afternoon 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.

Small Craft Advisory from 5 PM this afternoon to 5 PM PDT Sunday for Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory until 11 AM PDT Sunday for West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 5 AM PDT Sunday for Admiralty Inlet.

Small Craft Advisory from 5 PM this afternoon to 5 AM PDT Sunday for Puget Sound and Hood Canal.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46125 2 mi33 min 52°F 1009.3 hPa51°F
46120 14 mi33 min 53°F 1009.1 hPa51°F
PTWW1 - 9444900 - Port Townsend, WA 17 mi47 min SSW 8.9 G 15 53°F 51°F1010.7 hPa (+0.8)
WPOW1 - West Point, WA 19 mi47 min S 2.9 G 2.9 52°F 1010.2 hPa (+0.3)52°F
SISW1 - Smith Island, WA 32 mi27 min W 15 G 19 53°F 1009 hPa48°F
PBFW1 - Padilla Bay Reserve, WA 40 mi77 min WSW 1 54°F 1009 hPa52°F
46088 - New Dungeness, WA (Hein Bank) 43 mi27 min 21 G 29 50°F3 ft1009.5 hPa
46121 43 mi30 min 5.8 56°F 1010.9 hPa53°F
TCMW1 - 9446482 - Tacoma Met, WA 44 mi47 min Calm G 2.9
TCNW1 - 9446484 - Tacoma, WA 45 mi47 min 55°F 53°F1010.8 hPa (+0.3)
PTAW1 - 9444090 - Port Angeles, WA 47 mi71 min 53°F 51°F1009.7 hPa

Wind History for Port Townsend, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Everett Snohomish County, WA17 mi54 minNNW 53.00 miLight Rain Fog/Mist Fog in Vicinity51°F50°F96%1009.9 hPa

Link to 5 minute data for KPAE

Wind History from PAE (wind in knots)
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N8N5N5N9N10N6N5N6N7N65N6N5S8E7Calm4W7NW6W7N5
1 day agoN7N6NW3N3CalmN3N5N5N6N7N5N6N5N8N9N85N5N6N8N7N10
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2 days agoN8NW86N5N5N5CalmN3N3NW3N3N4N3N5N4N7N6N4N5N6N6N8N8N7

Tide / Current Tables for Foulweather Bluff, Washington
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Foulweather Bluff
Click for Map
Sat -- 02:31 AM PDT     Moonset
Sat -- 05:16 AM PDT     Sunrise
Sat -- 06:28 AM PDT     5.14 feet Low Tide
Sat -- 11:02 AM PDT     6.82 feet High Tide
Sat -- 01:23 PM PDT     Moonrise
Sat -- 05:32 PM PDT     1.26 feet Low Tide
Sat -- 09:00 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.710.39.48.26.85.75.25.25.66.16.66.86.65.84.73.42.21.41.32.23.75.77.89.5

Tide / Current Tables for Edmonds, 2.7 wsW of, Washington Current
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Edmonds
Click for Map
Sat -- 12:23 AM PDT     -0.00 knots Slack
Sat -- 02:31 AM PDT     Moonset
Sat -- 04:03 AM PDT     -0.48 knots Max Ebb
Sat -- 05:16 AM PDT     Sunrise
Sat -- 08:52 AM PDT     0.00 knots Slack
Sat -- 09:41 AM PDT     0.04 knots Max Flood
Sat -- 11:16 AM PDT     -0.00 knots Slack
Sat -- 01:23 PM PDT     Moonrise
Sat -- 03:32 PM PDT     -0.42 knots Max Ebb
Sat -- 07:21 PM PDT     0.00 knots Slack
Sat -- 09:00 PM PDT     Sunset
Sat -- 09:55 PM PDT     0.20 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.1-0.3-0.4-0.5-0.4-0.4-0.2-0.1000-0.1-0.2-0.3-0.4-0.4-0.3-0.2-0.10.10.20.20.2

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 (19,4,5,8)
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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.