Sunday, November28, 2021
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Marine Weather and Tides
Bainbridge Island, WA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:32AMSunset 4:23PM Sunday November 28, 2021 3:00 PM PST (23:00 UTC) Moonrise 12:13AMMoonset 1:53PM Illumination 29% Phase: Waning Crescent; Moon at 24 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- 245 Pm Pst Sun Nov 28 2021
Tonight..S wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft. A chance of rain.
Mon..S wind 10 to 20 kt. Wind waves 1 to 3 ft. Rain in the morning then rain likely in the afternoon.
Mon night..S wind 10 to 20 kt rising to 15 to 25 kt after midnight. Wind waves 2 to 4 ft. A chance of rain in the evening then rain likely after midnight.
Tue..S wind 15 to 25 kt rising to 20 to 30 kt in the afternoon. Wind waves 2 to 5 ft.
Tue night..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Wed..S wind 20 to 30 kt easing to 15 to 25 kt in the afternoon. Wind waves 2 to 5 ft.
Wed night..S wind 10 to 20 kt becoming sw to 10 kt after midnight. Wind waves 1 to 3 ft subsiding to 1 ft or less after midnight.
Thu..Variable wind to 10 kt becoming light. Wind waves 1 ft or less.
Fri..Light wind. Wind waves less than 1 ft.
PZZ100 245 Pm Pst Sun Nov 28 2021
Synopsis for the northern and central washington coastal and inland waters..A frontal system shift inland tonight. There will be a break in between weather systems on Monday then another frontal system will move through the area Monday night through Tuesday night. Light onshore flow Wednesday and Thursday will turn weakly offshore on Friday.


7 Day Forecast for Marine Location Near Bainbridge Island, WA
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location: 47.62, -122.52     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 281649 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 849 AM PST Sun Nov 28 2021

UPDATE /0900 AM/. Multiple river flood warnings are in effect this morning as persistent rainfall occurred during the overnight. This band of precipitation is still situated over the North Olympic Peninsula as well as Whatcom and Skagit counties. This band is expected to be shifting southward throughout the day. Rain is still expected to be persistent into Monday afternoon, especially for the Central Cascade region. This rain will taper off just in time for the next weather system to make its way to the area Tuesday.

The river forecast as well as river flood warnings will change throughout the day. Everyone is urged to stay aware of changing conditions not only around them but throughout the region. And remember do not drive through flooded streets, not only is the depth of the water uncertain but the stability of the ground below the surface is as well.

The previous forecast discussion with updated aviation and marine sections is below.

Butwin

SYNOPSIS. Persistent rainfall will continue across Western Washington through today, yielding river and aerial flooding, as well as the threat for landslides. Following additional rainfall during the day Monday, another AR will reach Western Washington by midweek bringing additional excessive rainfall to the region. Drier and cooler conditions possible Friday into next weekend.

SHORT TERM /TODAY THROUGH TUESDAY/. The persistent moderate rainband has shifted northward with the warm front at this hour with the heaviest rain occuring north of the border in SW British Columbia. That said, rainfall continues across the northwestern Olympic Peninsula, as well as northern Skagit and Whatcom counties at this hour. In the past 6 hours, points in these locations have seen anywhere from 1 to 1.5 inches of rainfall, with amounts already in the 2 to 3 inch range at elevation in the past 24 hours. Rainfall efficiency remains high at this hour in this band as a tongue of PWAT values ranging from 1 to 1.25" is draped across these areas. The potential for impacts associated with areal flooding and landslides will remain high across these areas through much of the day. Excess runoff is already causing rivers in these areas to rise, with additional rainfall expected through this afternoon.

To the south of this corridor, rainfall has tapered off at this hour, with higher winds aloft mixing down to the surface. Southerly winds will generally gust between 30 to 40 mph at times across Puget Sound, with a few isolated gusts to 45 mph possible - particularly from the Admiralty Inlet area, Whidbey Island and into coastal portions of Snohomish County. Expect winds to remain elevated through the mid-morning hours before steady rain returns to the area.

Confidence is high in the band of persistent rainfall sagging southward across the region, starting after daybreak and continuing through the day as the cold front pushes southeastward across the region. Most individual members of the HREF stall the front somewhere between Tacoma and Chehalis this evening with steady rain remaining focused in this area. Short range ensemble guidance shows a shortwave trough axis swinging through the region between 12 and 18Z and amplifying the band of rain on Monday before rain tapers off Monday evening. As a result, QPF in the central and southern Cascades is higher on Monday with the forecast package tonight. Given the environment in place, expect short-fused urban and small stream flooding to be a threat along with landslides and rising rivers through the day. See the hydrology section below for specific details.

Also associated with the aforementioned trough will be the potential for an isolated thunderstorm or two across Whatcom and Skagit Counties. Mid-level (H500) temperatures will cool to around -25 degrees C as the trough axis swings through. This, coupled with a speed max crossing the region will provide an environment capable of briefly supporting thunder Monday afternoon.

Expect temperatures to remain steady across the region today, with only minimal dynamic cooling in areas of rain as the front comes through. High temperature readings have likely already occurred this morning as warm air advection was still notable at midnight and has since leveled off. Temperatures will remain relatively warm and steady on Monday, with highs in the mid 50s and lows in the low 50s.

Pullin

LONG TERM /TUESDAY THROUGH SATURDAY/. Wet and active weather will persist through the long term period as several systems will bring additional rainfall and periods of gusty winds to Western Washington that will exacerbate impacts region wide. Another AR event of similar strength as the one currently affecting the region will reach the area on Tuesday with rainfall persisting through Thursday. New ensemble guidance brings the plume of moisture further south than the 00Z and 12Z guidance from yesterday. Freezing levels look similar as well - generally ranging from 9,000 to 10,000 feet at event onset before settling between 8,000 to 9,000 feet through the event. Rainfall amounts look similar to the current event, with the interior lowlands generally seeing 1- 2" of rainfall, the Olympics and Central/Northern Cascades seeing 2- 4", locally up to 6" in spots, and the Olympic coast seeing 1-3", with the highest totals on the north coast. This additional rainfall will cause another response on area rivers, with additional flooding possible. Saturated soils will also keep the threat for landslides and aerial flooding high through this event.

As has been the case with this system, a period of rain shadowing will be possible across the central and northern Puget Sound, which would promote a period of gusty winds. Given saturated ground, more notable impacts with respect to power outages and tree damage are not out of the question. This will also likely add extra pressure to area bluffs, potentially being a trigger for landslides.

Current model guidance has precipitation tapering off on Thursday with Western Washington remaining in a quasi-zonal flow regime with high pressure remaining stout over the southwest coast. This will keep the door open for additional systems bringing periods of rain Friday into next weekend.

Temperatures wise, expect 50s for highs and upper 40s for lows through Thursday before temperatures cool into the 30s and 40s for the weekend.

Pullin

AVIATION. Westerly flow aloft will continue today and tonight. A cold front draped across the northwest part of the state this morning will slide southeast through the area this afternoon and evening. The air mass will be moist and stable today. It will become slightly unstable across the far north part of the area tonight.

Ceilings have lifted a bit over the central and south part of the interior this morning after a warm front lifted through the area last night. Ceilings should lower back down as the cold front slides through later today.

KSEA . Ceilings should lower again late this morning or early afternoon as rain returns. It looks to stay pretty soupy in the wake of the front tonight with lower clouds lingering into Monday morning. Gusty south winds 10-20 knots should ease today. 16

MARINE. A front will slide southeast through the area today. Small craft advisory strength winds for parts of the area will gradually ease today. West swell around 9 feet at 9 seconds will linger over the Coastal Waters and West Entrance Strait of Juan de Fuca today then subside tonight.

There will be lull in the active weather on Monday in between weather systems. A second frontal system will move through the area Tuesday and Tuesday night for another round of small craft advisory strength winds most waters. Winds will be lighter Wednesday and Thursday with weak onshore flow.

West swell over the Coastal Waters and West Entrance Strait of Juan de Fuca will build to 10-13 feet Tuesday night and remain in that general range through Thursday. 16

HYDROLOGY. A wet and warm frontal system will continue to bring rain to the area through the day today, possibly into early Monday. The focus of precipitation went further north and for longer than forecast, and this bigger break will delay, and to some not- fully- known extent, lower the river crests. Still, river flooding remains an issue into the start of the new week = especially for rivers flowing out of the Olympics and the northern and central Washington Cascades. A flood watch remains in effect for much of the area, with flood warnings also in effect for several locations. The extent of expected river flooding varies throughout the region, with minor to moderate flooding the general rule. Major flooding no long looks likely. The current forecast continues to reflect most locations cresting sometime today - however - the Skagit River at Mount Vernon and the Nooksack River at Ferndale will likely not crest until sometime much later - likely Monday afternoon.

A second frontal system will affect the region Tuesday into Wednesday, and although confidence is still lower with this system - ensembles now suggesting a shift in the precipitation further south. This scenario starting to look very similar to what is expected through the day today - that is, the heaviest precipitation expected over the Olympics, and North and Central Washington Cascades. This certainly would complicate the impacts on area rivers as it would be following on the heels of a very similar event. The ongoing precipitation will keep the risk of landslides elevated well into next week.

Cook/JBB

SEW WATCHES/WARNINGS/ADVISORIES. WA . Flood Watch through Monday morning for Admiralty Inlet Area- Bellevue and Vicinity-Cascades of Snohomish and King Counties-Cascades of Whatcom and Skagit Counties-Central Coast-East Puget Sound Lowlands-Eastern Strait of Juan de Fuca-Everett and Vicinity-Hood Canal Area-Lower Chehalis Valley Area-North Coast-Olympics-Seattle and Vicinity- Western Skagit County-Western Strait of Juan De Fuca- Western Whatcom County.

Wind Advisory until 10 AM PST this morning for Admiralty Inlet Area-Everett and Vicinity.

PZ . Small Craft Advisory until 10 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.

Small Craft Advisory until 4 PM PST this afternoon for Admiralty Inlet-Northern Inland Waters Including The San Juan Islands- Puget Sound and Hood Canal.

Small Craft Advisory until 6 PM PST this evening 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
WPOW1 - West Point, WA 5 mi61 min S 18G18 53°F 1018.2 hPa (+0.0)53°F
46120 12 mi101 min S 7.8 54°F 52°F
TCMW1 - 9446482 - Tacoma Met, WA 24 mi43 min SSW 9.9G13
TCNW1 - 9446484 - Tacoma, WA 25 mi49 min 53°F1019.6 hPa
46121 26 mi111 min 3.9 55°F 53°F
PTWW1 - 9444900 - Port Townsend, WA 36 mi49 min S 1.9G1.9 52°F 49°F1018.6 hPa

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KBFI

Wind History from BFI (wind in knots)
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Tide / Current Tables for Eagle Harbor, Bainbridge Island, Washington
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Eagle Harbor
Click for Map
Sun -- 12:12 AM PST     Moonrise
Sun -- 04:48 AM PST     2.55 feet Low Tide
Sun -- 07:34 AM PST     Sunrise
Sun -- 12:03 PM PST     11.84 feet High Tide
Sun -- 01:53 PM PST     Moonset
Sun -- 04:21 PM PST     Sunset
Sun -- 06:53 PM PST     4.54 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.8
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5.9
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4.8
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3.6
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Tide / Current Tables for Rich Passage, off Pleasant Beach, Washington Current
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Rich Passage
Click for Map
Sun -- 12:13 AM PST     Moonrise
Sun -- 02:58 AM PST     -1.91 knots Max Ebb
Sun -- 05:27 AM PST     0.00 knots Slack
Sun -- 07:34 AM PST     Sunrise
Sun -- 08:39 AM PST     1.34 knots Max Flood
Sun -- 12:32 PM PST     -0.00 knots Slack
Sun -- 01:53 PM PST     Moonset
Sun -- 04:21 PM PST     Sunset
Sun -- 04:29 PM PST     -2.65 knots Max Ebb
Sun -- 07:57 PM PST     0.00 knots Slack
Sun -- 09:42 PM PST     0.43 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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