Friday, March5, 2021
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Marine Weather and Tides
Longbranch, WA

Version 3.4
NOTICE
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 6:41AMSunset 6:04PM Friday March 5, 2021 12:09 PM PST (20:09 UTC) Moonrise 1:12AMMoonset 10:13AM Illumination 54% Phase: Third Quarter Moon; 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- 854 Am Pst Fri Mar 5 2021
.small craft advisory in effect through Saturday morning...
Today..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain in the morning then showers in the afternoon.
Tonight..S wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of showers.
Sat..S wind 10 to 20 kt. Wind waves 1 to 3 ft. A chance of showers.
Sat night..S wind 5 to 15 kt becoming 10 to 20 kt after midnight. Wind waves 1 to 3 ft.
Sun..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Sun night..S wind 5 to 15 kt becoming variable after midnight. Wind waves 2 ft or less.
Mon..Light wind. Wind waves less than 1 ft.
Tue..Light wind. Wind waves less than 1 ft.
PZZ100 854 Am Pst Fri Mar 5 2021
Synopsis for the northern and central washington coastal and inland waters..Unsettled conditions continue for area waters today as a frontal system slowly moves through the region. Expect elevated winds to persist across the coastal and inland waters through Saturday, with only brief lulls at times. Elevated seas along the coast and west entrance to the strait will continue through most of the weekend. A brief break in the weather is expected Saturday night before elevated winds and seas return Sunday and continue into early next week.


7 Day Forecast for Marine Location Near Longbranch, WA
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location: 47.17, -122.87     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 051724 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 924 AM PST Fri Mar 5 2021

UPDATE. A front will move through the area today. Steady rain will slide east into early this afternoon with a few showers around late today into tonight. Locally gusty winds across areas of the San Juan Islands and western Whatcom/Skagit County this morning with the front. A Wind Advisory has been issued for this area with gusts of 40-50 MPH, mainly this morning. A slight chance of thunderstorms along the coast this afternoon, though instability looks relatively minimal. Light mountain snow into tonight.

SYNOPSIS. Cold front will move through the area this afternoon. Trailing upper level trough will cross Western Washington Saturday morning. A weaker front arriving Sunday. Large upper level low well offshore Monday will move south Tuesday then into California Wednesday keeping weather systems west and south of the area. Weak system moving down from the northwest Thursday.

SHORT TERM /TODAY THROUGH SUNDAY/. Satellite imagery shows cold front offshore early this morning. Doppler radar indicating rain west of Puget Sound. The front became more north south aligned overnight with the cold upper level trough digging south behind the front. This pulled the area of rain back to the west a touch ending the rain in the Puget Sound area. Temperatures at 3 am/11z were in the mid 40s.

Cold front reaching the coast late morning moving through the interior of Western Washington this afternoon. Rain spreading back inland before daybreak with steady rain continuing until frontal passage. Behind the front air mass destabilizing quickly. Model soundings along the coast have convective temperatures below the afternoon temps, a little bit of CAPE 200-300j/kg, and lifted indexes near 0. Will stay with a slight chance of post frontal thunderstorms along the coast this afternoon. Highs today in the lower 50s.

Post frontal upper level trough moving over the area tonight with the trough axis right along the coast at 12z Saturday. Surface gradients remaining negatively through the Strait of Juan de Fuca so not expecting much in the way of a post frontal convergence zone, just scattered showers associated with the upper level trough. Lows in the mid 30s to lower 40s.

Upper level trough axis moving through Saturday morning. Could see a weak convergence zone behind the trough later Saturday morning. Outside of the possible convergence shower activity decreasing Saturday afternoon but not coming to an end wit with the air mass still slightly unstable. Highs Saturday near 50.

Short break in the action Saturday night as the next frontal system to reach the area tries to become negatively tilted offshore. This will slow the eastward movement of the front down with rain developing along the coast overnight with just a chance of rain inland. Lows again in the mid 30s to lower 40s.

Front weakening as it slowly moves through Western Washington Sunday. Not expecting a lot of rain with the system but with the slow movement will have rain followed by showers in the forecast all day. Forecasted rainfall amount for Seattle around a tenth of an inch. Highs Sunday near 50.

LONG TERM /MONDAY THROUGH THURSDAY/. Extended models and ensembles showing pretty good consistency with a large deep vertically stacked low well offshore Monday moving south Tuesday and into California on Wednesday. This will for the most part pull weather systems to the west and south of the area Monday through Wednesday. The low is close enough Monday where we could see some precipitation west of Puget Sound. Ensemble members show a few more wet solutions Thursday, 20 to 30 percent, with a weak system moving down out of the northwest so will have more widespread chance pops on that day. Highs will be near normal, in the lower 50s. With some clearing lows in the colder locations like the Southwest Interior will be near freezing Monday through Wednesday. Felton

AVIATION. Rain has moved back into areas along the Sound this morning and expect periods of rain to continue for area terminals as a frontal system slowly progresses through the region today. Strong southwesterly winds in the lower levels and aloft make for ample wind shear across area terminals this morning. Overall, expect shear to ease up into this afternoon as winds start to ease. Ceilings and visibilities at area TAF sites are expected to be mainly a mix of MVFR and VFR through the period, with lower cigs and visibilities possible in areas of heavier rain. Gusty surface winds will continue into this afternoon, generally in 15-20 knots range with gusts over 25 knots. Strongest winds expected for areas across the San Juans and Northern Interior. Winds should slowly ease by this afternoon.

KSEA . Southerly winds, generally between 8-15 knots, with gusts to 25 knots possible through the afternoon. Winds to ease late afternoon into the evening. Rain to continue through the day. Conditions expected to be primarily VFR, but becoming MVFR or even IFR in any heavier showers through the day.

Kristell/Borth

MARINE. A vigorous cold front will slowly move through the area waters today. Gales will continue for the coastal waters through the night into Saturday morning, with brief lulls in the winds at times. Gusty winds will persist across portions of the Eastern Strait and Northern Interior waters as the frontal system makes its way through the region.

Meanwhile, offshore swells will remain elevated, primarily between 13-18 feet before briefly subsiding ahead of another swell train expected to arrive overnight into Saturday. Another round of larger swells (19-21 feet) is possible by Sunday afternoon into Monday as another system approaches the area.

A number of marine headlines are posted for area waters today and into this evening, including offshore gale warnings and Small Craft Advisories for the majority of the inland waters. The exception being a gale warning for the Northern Inland waters and the Eastern Strait today, as winds have already picked up in the area and will remain elevated as the frontal system makes its way through. Additional marine headlines are likely Sunday into early next week as the unsettled pattern continues.

Kristell/Borth

HYDROLOGY. Flood watch remains in effect for Mason County for the possibility of minor flooding on the Skokomish river later today. Another 0.5 inch or so of rain is expected along the south slopes of the Olympics. The river is currently running below the forecast hydrograph but will keep the watch up until the heavier rain comes to an end. JD/Felton

SEW WATCHES/WARNINGS/ADVISORIES. WA . Flood Watch until 4 PM PST this afternoon for Hood Canal Area- Lower Chehalis Valley Area-Olympics.

Wind Advisory until 2 PM PST this afternoon for San Juan County- Western Whatcom County.

Winter Weather Advisory until 10 AM PST this morning for Olympics.

PZ . Small Craft Advisory from 10 PM this evening to 4 AM PST Saturday 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.

Gale Warning 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 Saturday for Grays Harbor Bar.

Gale Warning until 1 AM PST Saturday for East Entrance U.S. Waters Strait Of Juan De Fuca-Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory until 4 AM PST Saturday for Central U.S. Waters Strait Of Juan De Fuca-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 1 AM PST Saturday for Admiralty Inlet.

Small Craft Advisory until 10 AM PST Saturday 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
TCMW1 - 9446482 - Tacoma Met, WA 25 mi51 min S 4.1 G 8.9
TCNW1 - 9446484 - Tacoma, WA 25 mi57 min 51°F 48°F1015.2 hPa
WPOW1 - West Point, WA 41 mi69 min SSW 17 G 21 49°F 1014.1 hPa (+3.3)45°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Olympia, Olympia Airport, WA13 mi75 minS 64.00 miLight Rain Fog/Mist47°F44°F90%1014.4 hPa
Shelton, Shelton Sanderson Field, WA15 mi76 minSSW 810.00 miOvercast48°F43°F83%1013.4 hPa
Fort Lewis / Gray U. S. Army Airfield, WA16 mi71 minSSE 1010.00 miLight Rain49°F49°F99%1014.7 hPa
Tacoma, Tacoma Narrows Airport, WA17 mi76 minSSW 1510.00 miLight Rain47°F42°F83%1014.4 hPa
Tacoma / McChord Air Force Base, WA21 mi71 minS 1010.00 miLight Rain49°F45°F88%1015 hPa
Bremerton, Bremerton National Airport, WA22 mi73 minSSW 810.00 miLight Rain46°F45°F96%1014.3 hPa

Link to 5 minute data for KOLM

Wind History from OLM (wind in knots)
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Last 24hrW4S4SW3SW3CalmCalmNE3CalmNE5N4N5E4N5NW4CalmS4SE6CalmSW4S13
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1 day agoCalmCalmCalmN7N8NE3N5S3CalmCalmSE3CalmCalmCalmCalmW3CalmCalmCalmW3SW4S9S12S7
2 days agoS7S5S5S4SW5S3CalmCalmS3CalmCalmS3CalmSE5CalmSE4CalmCalmCalmCalmCalmCalmCalm3

Tide / Current Tables for Henderson Inlet, Washington
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Henderson Inlet
Click for Map
Fri -- 01:12 AM PST     Moonrise
Fri -- 03:54 AM PST     6.19 feet Low Tide
Fri -- 06:42 AM PST     Sunrise
Fri -- 09:28 AM PST     14.16 feet High Tide
Fri -- 10:13 AM PST     Moonset
Fri -- 04:56 PM PST     -0.08 feet Low Tide
Fri -- 05:32 PM PST     Last Quarter
Fri -- 06:03 PM PST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.39.886.76.26.98.710.812.8141412.910.885.12.40.5-0.10.72.65.17.810.211.7

Tide / Current Tables for Dana Passage, Washington Current
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Dana Passage
Click for Map
Fri -- 12:50 AM PST     -1.82 knots Max Ebb
Fri -- 01:12 AM PST     Moonrise
Fri -- 04:33 AM PST     0.00 knots Slack
Fri -- 06:43 AM PST     Sunrise
Fri -- 06:50 AM PST     1.36 knots Max Flood
Fri -- 09:28 AM PST     -0.00 knots Slack
Fri -- 10:13 AM PST     Moonset
Fri -- 12:53 PM PST     -3.06 knots Max Ebb
Fri -- 05:07 PM PST     0.00 knots Slack
Fri -- 05:32 PM PST     Last Quarter
Fri -- 06:03 PM PST     Sunset
Fri -- 07:45 PM PST     2.00 knots Max Flood
Fri -- 11:38 PM PST     -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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-1.6-1.8-1.6-1.1-0.50.41.11.410.4-0.7-1.9-2.8-3.1-2.8-2.2-1.3-0.211.821.71.10.4

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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