Thursday, September24, 2020
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Marine Weather and Tides
Bellingham, WA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:59AMSunset 7:04PM Thursday September 24, 2020 5:11 PM PDT (00:11 UTC) Moonrise 2:57PMMoonset 11:04PM Illumination 52% Phase: First Quarter Moon; Moon at 8 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- 309 Pm Pdt Thu Sep 24 2020
.small craft advisory in effect through Friday morning...
Tonight..SE wind 15 to 25 kt. Wind waves 2 to 4 ft. A slight chance of tstms in the evening. Showers.
Fri..S wind 20 to 30 kt becoming sw 15 to 25 kt in the afternoon. Wind waves 3 to 5 ft. Rain.
Fri night..SW wind 15 to 25 kt easing to 5 to 15 kt after midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less after midnight. Rain likely.
Sat..S wind 5 to 15 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 ft or less building to 2 to 4 ft in the afternoon.
Sat night..S wind 5 to 15 kt. Wind waves 2 ft or less.
Sun..SE wind to 10 kt. Wind waves 1 ft or less.
Sun night..Light wind becoming S to 10 kt after midnight. Wind waves less than 1 ft becoming 1 ft or less after midnight.
Mon..Light wind. Wind waves less than 1 ft.
Tue..N wind to 10 kt becoming nw. Wind waves 1 ft or less.
PZZ100 309 Pm Pdt Thu Sep 24 2020
Synopsis for the northern and central washington coastal and inland waters..A low pressure center moves into northern vancouver island early Friday with a strong front crossing the waters. A few weak systems will then brush across the area through the weekend before high pressure returns.


7 Day Forecast for Marine Location Near Bellingham, WA
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location: 48.75, -122.5     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 242313 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 413 PM PDT Thu Sep 24 2020

SYNOPSIS. The next vigorous system will approach the region late tonight before moving inland early Friday. This system will bring another round of gusty winds and widespread rain to Western Washington. Rain chances will linger into the weekend, before high pressure aloft brings a drying and warming trend to the area early next week.

SHORT TERM /TONIGHT THROUGH SUNDAY/. It has been an eventful day across Western Washington so far. Thunderstorms moving onshore from the coastal waters this morning brought anywhere from three- tenths of an inch to three-quarters of an inch to areas along the coast and across the Southwest Interior. Two narrow bands of steady precipitation set up across the southern Sound and produced anywhere from a quarter of an inch to half an inch of rain for several locations extending from the Kitsap Peninsula to West Seattle and from Olympia to Bonney Lake. In addition, heavy rain from passing thunderstorms brought another healthy dose of rain to areas in the vicinity of Bellingham and its nearby higher terrain.

Current radar shows scattered showers continuing across much of the region, with the heaviest precip moving across the Olympic Peninsula as of 330 PM. The most recent meso- analysis depicts the most favorable environment for thunderstorms remains along the coast and Olympic Peninsula this afternoon. However, given the current post- frontal unstable environment, cannot rule out some isolated thunderstorms for the remainder of the area through the rest of the afternoon and evening hours. Will continue to monitor radar trends appropriately.

The next system will move through the region on Friday, bringing another round of heavy rain and strong winds to the area. Its associated deep surface low will move inland over Vancouver Island early Friday morning, yielding windy conditions for areas along the Pacific Coast, areas across the northern interior, and for areas along the northern slopes of the Olympics. Southerly winds will also remain breezy across portions of the Sound through mid- day, before gradually easing. The next round of widespread precipitation will start to move inland along the coast between 06-09Z. Given another surge of moisture being advected into the region, can expect another half of an inch to an inch for most lowland locations, with another 2 to 4 inches across the Olympics and Cascades, with locally higher amounts in any stronger showers. In addition, a high surf advisory remains in effect for the Pacific Coast through Friday afternoon. A large west swell of 14 to 17 feet will continue to arrive near the coastline, resulting in continued high surf conditions this evening through Friday morning. This could lead to minor erosion and also dangerous conditions near the surf zone. This swell will begin to subside late Friday morning and will ease through Friday afternoon.

Showers chances look to linger into Saturday as a shortwave impulse moves through the region. Shower chances will then gradually taper and become more confined to the higher terrain by Sunday as an upper level ridge moves into the region. Temperatures for the weekend will be in the mid to upper 60s across the region.

LONG TERM /MONDAY THROUGH THURSDAY/. Drier and warmer conditions will persist next week as an upper level ridge becomes the dominant influence across the Pacific Northwest. Low level offshore flow will develop on Monday and Tuesday, allowing for highs to warm into the 70s. The ridge axis looks to shift inland near midweek, potentially allowing for Wednesday to be the warmest day across the region, with afternoon highs climbing into the mid to upper 70s. 14

AVIATION. Scattered showers will continue through the day. While terminals will generally remain VFR, these showers will bring temporary lowering of ceilings/visibility. Strongest of these could produce some lightning, though confidence in any particular terminal generally remains low. Will handle VCTS/TS with amendments as trends dictate. Otherwise, breezy south winds with gusts to 25 kt, and stronger winds developing after 06z near the coast and closer to 12z inland.

KSEA. VFR conditions this morning likely continue, though periods of MVFR conditions showers are expected at times. A thunderstorm could develop in vicinity of terminal this afternoon, but confidence in developing/timing remains low South winds around 15 kt with gusts 20-25 through the day. Stronger south wind arrives around 12z. Cullen

MARINE. Winds have eased a bit today, but seas remain well above advisory criteria over the coastal waters as a 14-17 ft west swell continues to advance. A surface low will track toward the northern part of Vancouver Island tonight through early Friday, with notably stronger winds developing over the coastal waters ahead of the associated front. As a result, the Gale Watch has been upgraded to a Gale Warning for all of the coastal waters. Winds quickly ease behind the front, but Small Craft Advisories will remain in effect as seas remain elevated through the day. A few weak disturbances may briefly increase the winds at times over the weekend, but not as strong as Friday. Northerly winds then develop over the coastal waters early next week as a thermal trough builds north, followed by offshore flow around Tuesday. Cullen

HYDROLOGY. A vigorous frontal system will bring another round of heavier rainfall later tonight and Friday. River flooding is not forecast at this time but additional rises to many rivers is expected - particularly those draining from the Olympics and North Cascades. An additional 2-5 inches of rain is likely over the mountains with this frontal system tonight and Friday.

A drying trend will begin over the weekend with some light rain lingering in spots. Dry weather will return early next week.

SEW WATCHES/WARNINGS/ADVISORIES. WA . High Surf Advisory until 2 PM PDT Friday for Central Coast-North Coast.

PZ . Gale Watch from 2 AM PDT Friday through Friday morning 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 2 AM PDT Friday 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 from 8 AM to 11 PM PDT Friday 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 11 PM PDT Friday for Grays Harbor Bar- West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory from 2 AM to 8 AM PDT Friday for East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 9 AM PDT Friday for Admiralty Inlet- Northern Inland Waters Including The San Juan Islands-Puget Sound and Hood Canal.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46118 4 mi77 min S 14 57°F 1012.6 hPa57°F
CHYW1 - 9449424 - Cherry Point, WA 16 mi72 min 1013.5 hPa (+0.3)
CPMW1 16 mi72 min S 9.9 G 14 57°F
CPNW1 16 mi72 min SSE 2.9 G 7 57°F
PBFW1 - Padilla Bay Reserve, WA 20 mi102 min SSW 8 64°F 1014 hPa58°F
FRDW1 - 9449880 - Friday Harbor, WA 31 mi96 min SW 5.1 G 7 58°F 51°F1013.4 hPa
SISW1 - Smith Island, WA 34 mi42 min ESE 7 G 8
46088 - New Dungeness, WA (Hein Bank) 46 mi52 min ESE 5.8 G 7.8 51°F1 ft1013.6 hPa
PTWW1 - 9444900 - Port Townsend, WA 46 mi72 min E 1.9 G 4.1 60°F 52°F1014.3 hPa (+0.0)

Wind History for Cherry Point South Dock, WA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bellingham, Bellingham International Airport, WA3 mi79 minS 9 G 1610.00 miPartly Cloudy62°F54°F75%1013.7 hPa
Burlington/Mount Vernon, Skagit Regional Airport, WA20 mi77 minVar 410.00 miMostly Cloudy64°F57°F78%1013.9 hPa
Eastsound, Orcas Island Airport, WA21 mi77 minS 810.00 miLight Rain63°F59°F88%1012.9 hPa

Link to 5 minute data for KBLI

Wind History from BLI (wind in knots)
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmNW3S13
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2 days agoSW5S3CalmCalmCalmCalmS3CalmS5S4S5S6S6CalmS4S9
G16
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Tide / Current Tables for Bellingham, Washington
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Bellingham
Click for Map
Thu -- 05:22 AM PDT     -0.20 feet Low Tide
Thu -- 07:00 AM PDT     Sunrise
Thu -- 02:06 PM PDT     7.68 feet High Tide
Thu -- 03:56 PM PDT     Moonrise
Thu -- 06:39 PM PDT     6.66 feet Low Tide
Thu -- 07:02 PM PDT     Sunset
Thu -- 09:52 PM PDT     7.23 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.74.22.71.40.4-0.2-0.10.61.93.44.86.177.57.77.67.376.76.76.97.17.27

Tide / Current Tables for Hale Passage, 0.5 miles SE of Lummi Pt, Washington Current
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Hale Passage
Click for Map
Thu -- 02:26 AM PDT     -1.26 knots Max Ebb
Thu -- 05:56 AM PDT     0.00 knots Slack
Thu -- 07:01 AM PDT     Sunrise
Thu -- 09:05 AM PDT     1.53 knots Max Flood
Thu -- 01:33 PM PDT     -0.00 knots Slack
Thu -- 03:52 PM PDT     Moonrise
Thu -- 03:58 PM PDT     -0.41 knots Max Ebb
Thu -- 06:39 PM PDT     0.00 knots Slack
Thu -- 07:03 PM PDT     Sunset
Thu -- 08:44 PM PDT     0.38 knots Max Flood
Thu -- 09:56 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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-0.9-1.1-1.2-1.2-0.9-0.500.81.31.51.41.10.70.2-0.1-0.3-0.4-0.3-0.20.10.30.4-0-0.3

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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Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Seattle/Tacoma, WA
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