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Marine Weather and Tides
Edison, WA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:53AMSunset 4:15PM Saturday December 14, 2019 9:29 PM PST (05:29 UTC) Moonrise 6:55PMMoonset 10:16AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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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PZZ133 Northern Inland Waters Including The San Juan Islands- 840 Pm Pst Sat Dec 14 2019
Tonight..NE wind to 10 kt. Wind waves 1 ft or less. A chance of rain in the evening then a slight chance of rain after midnight.
Sun..NE wind to 10 kt becoming se in the afternoon. Wind waves 1 ft or less. A slight chance of rain.
Sun night..SE wind 5 to 15 kt becoming E 10 to 20 kt after midnight. Wind waves 1 to 3 ft. A slight chance of showers in the evening then a slight chance of rain after midnight.
Mon..E wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 1 to 3 ft building to 2 to 4 ft in the afternoon.
Mon night..SE wind 15 to 25 kt. Wind waves 2 to 4 ft.
Tue..SE wind 15 to 25 kt. Wind waves 2 to 4 ft.
Tue night..SE wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Wed..SE wind 10 to 20 kt. Wind waves 1 to 3 ft.
Thu..SE wind 10 to 20 kt becoming 5 to 15 kt. Wind waves 1 to 3 ft.
PZZ100 840 Pm Pst Sat Dec 14 2019
Synopsis for the northern and central washington coastal and inland waters..Weak flow through the weekend will lend to quieter conditions across area waters. Low level offshore flow is expected to develop early next week as surface ridging builds east of the cascades. A few organized frontal systems will likely impact the area beginning mid-week.


7 Day Forecast for Marine Location Near Edison, WA
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location: 48.65, -122.5     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 150440 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 840 PM PST Sat Dec 14 2019

UPDATE. Minor adjustments have been made to the forecast this evening, mainly to the POPs tonight through tomorrow. Everything else appears to be largely on track.

Western Washington just couldn't shake off nuisance shower activity today. A glimpse at the most recent water vapor loop explains why. A shortwave trough that moved into the area from the northeastern Pacific late last night essentially got hung up over the area, with associated lift likely substantial enough for scattered shower activity. Most of the rain showers developed east of Puget Sound, tho there were some scattered snow showers in the mountains as well. Current radar shows lingering rain and snow across these areas, with an additional area of development across the eastern Strait of Juan de Fuca and nearby San Juan County. No notable weather impacts are anticipated tonight tho these spotty areas of rain/mountain snow showers will likely continue into the overnight. In addition to shower activity, areas of fog will likely develop with low clouds looming overhead as low level moisture remains locked in place.

A glimpse upstream in the upper levels reveals another subtle shortwave trough moving south across BC this evening. Model guidance projects this shortwave tracking across Washington from north to south overnight tonight and through the first half of the day tomorrow. As with the system currently in place, this disturbance will likely contribute to some ascent and additional development of scattered shower activity. POPs were enhanced going into tomorrow morning to account for this, mainly across northern sections of the area (particularly Whatcom and Skagit Counties). Fortunately, mid level height falls are weak with this system so not expecting much in the way of impacts. Model guidance not showing much in the way of additional snowfall accumulation across the Cascades, despite perhaps an enhancement in the snow shower coverage. This makes sense given the weak and spotty nature of this system.

A rather high-amplitude ridge will begin to build in for the latter half of the day tomorrow as a fairly robust trough develops upstream of it across the Pacific. Despite argued forcing for descent with this feature, there is a frontal system spotted in the lower levels, with 850mb WAA beginning to increase to the west late in the day. Previous discussion has been included for reference:

Kovacik

PREV DISCUSSION. /issued 227 PM PST Sat Dec 14 2019/

SYNOPSIS. Scattered showers will decrease through Sunday. Weak high pressure will build over the area Monday and Tuesday but a frontal system moving into British Columbia might brush the area. Wetter weather systems will reach the area from the middle to end of next week.

SHORT TERM /TONIGHT THROUGH TUESDAY/. A weak upper trough has kept scattered showers going today. Another weak trough will keep a few showers going on Sunday. An upper ridge will shift over the area Monday and Tuesday--but a warm front front a system passing to the north might clip the area with a little light rain in the north. Whatever remains of a front that spits will reach the area Tuesday night.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. This should be a wet period across Western Washington. It will likely be breezy at times and perhaps windy--more likely with the front late in the week. There are significant differences in the way the models handle the two or three frontal systems that affect the region and it is a bit too early to say anything specific, but overall the weather is likely to be seasonably wet with average temps and snow levels.

AVIATION. Ceilings this evening are generally a mix of MVFR and VFR, tho as has been the case recently, a few spots of IFR have been noted. With a disturbed atmosphere remaining in place overnight tonight combined with abundant low level moisture, think ceilings will drop down predominately to IFR and lower-end MVFR. Have inherited this trend in the TAFs this evening and plan to keep it going for the 06z update. Given low level moisture, think patchy fog will develop. All TAF sites have the potential for fog development with some reduction to vsbys-most likely to IFR & MVFR. Spotty showers will also carry with us into much of the day tomorrow so VCSH will likely prevail. Winds will remain generally light at 5 or 6 knots or less from the south.

KSEA . IFR and/or low MVFR ceilings likely overnight into at least part of Sunday. Some fog may develop overnight/early Sunday at the terminal or in its vicinity, potentially causing vsby reductions. Spotty showers will remain in the vicinity into Sunday. Winds 5-6kts out of the south.

Kovacik

MARINE . No changes were needed to the marine forecast this evening. The only headline in place remains the small craft advisory for the Coastal Waters, Grays Harbor, and the West Strait for hazardous seas. This headline is scheduled to expire at 9 PM with seas forecast to subside below 10ft. A glance at a few observations across these waters confirm that seas have come down to the 6-8 ft range. Will therefore let this product expire as intended at 9 PM. This will leave all waters headline-free through the weekend with no impacts from seas or wind expected until late Sunday/early Monday. Previous discussion follow:

The only remaining headline continues to be the small craft advisory for the Coastal Waters for hazardous seas. West swell of generally 10-12 ft should drop below 10 feet late this evening. Winds will remain under advisory levels across the waters through the weekend.

Winds will begin to approach advisory levels on Monday over the coastal waters and the west entrance to the strait as surface high pressure settles east of the Cascades and low pressure deepens over the offshore waters. A more active storm track into the region by midweek will bring the likelihood of advisory or gale force winds at times to area waters.

Kovacik/27

HYDROLOGY. There are no flooding concerns through the first half of next week. The latter part of next week will be wet--but snow levels are not likely to be high enough to put Western Washington into a river flooding situation.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory until 9 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-Grays Harbor Bar.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46118 7 mi114 min 39°F 1015.7 hPa39°F
PBFW1 - Padilla Bay Reserve, WA 13 mi59 min Calm 40°F 1016 hPa40°F
CHYW1 - 9449424 - Cherry Point, WA 20 mi59 min 1016.6 hPa
CPMW1 20 mi65 min ESE 2.9 G 2.9 42°F
CPNW1 20 mi77 min ENE 1.9 G 2.9 42°F
FRDW1 - 9449880 - Friday Harbor, WA 28 mi53 min 48°F1016.5 hPa
SISW1 - Smith Island, WA 29 mi39 min WNW 5.1 G 8 43°F 1016.8 hPa39°F
PTWW1 - 9444900 - Port Townsend, WA 40 mi65 min SSE 1.9 G 2.9 43°F 48°F1017.1 hPa
46088 - New Dungeness, WA (Hein Bank) 42 mi49 min N 7.8 G 9.7 44°F 47°F1017.7 hPa39°F

Wind History for Cherry Point, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bellingham, Bellingham International Airport, WA10 mi36 minN 08.00 miMostly Cloudy42°F37°F82%1017 hPa
Burlington/Mount Vernon, Skagit Regional Airport, WA13 mi54 minN 010.00 miOvercast41°F39°F93%1016.6 hPa
Whidbey Island Naval Air Station - Ault Field, WA22 mi33 minN 07.00 miMostly Cloudy43°F39°F86%1017.7 hPa
Eastsound, Orcas Island Airport, WA22 mi34 minN 03.00 miLight Rain41°F41°F100%1016.3 hPa

Link to 5 minute data for KBLI

Wind History from BLI (wind in knots)
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Last 24hrCalmCalmCalmCalmN4CalmCalmN3NE3CalmNE3E3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
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Tide / Current Tables for Chuckanut Bay, Washington
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Chuckanut Bay
Click for Map
Sun -- 12:16 AM PST     -2.30 feet Low Tide
Sun -- 07:55 AM PST     Sunrise
Sun -- 08:18 AM PST     9.59 feet High Tide
Sun -- 11:01 AM PST     Moonset
Sun -- 01:29 PM PST     7.07 feet Low Tide
Sun -- 04:14 PM PST     Sunset
Sun -- 05:01 PM PST     7.74 feet High Tide
Sun -- 08:07 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-2.3-2-0.81.13.25.47.38.89.69.48.887.47.17.17.47.67.77.67.15.94.22.10.1

Tide / Current Tables for Sinclair Island, 1 mile NE of, Washington Current
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Sinclair Island
Click for MapFlood direction 307 true
Ebb direction 112 true

Sun -- 02:41 AM PST     0.00 knots Slack
Sun -- 05:56 AM PST     0.25 knots Max Flood
Sun -- 07:56 AM PST     Sunrise
Sun -- 08:27 AM PST     -0.00 knots Slack
Sun -- 11:01 AM PST     Moonset
Sun -- 12:41 PM PST     -0.49 knots Max Ebb
Sun -- 04:15 PM PST     Sunset
Sun -- 04:29 PM PST     0.00 knots Slack
Sun -- 04:58 PM PST     -0.00 knots Slack
Sun -- 05:40 PM PST     0.02 knots Max Flood
Sun -- 08:08 PM PST     Moonrise
Sun -- 11:25 PM PST     -1.11 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.1-0.8-0.300.10.20.20.20.1-0.1-0.3-0.4-0.5-0.5-0.4-0.2-0.100-0.2-0.4-0.7-1-1.1

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.
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Wind Forecast for Seattle, WA (0,6,7,8)
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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 numerious 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.