Columbia River Bar Forecast

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Marine Weather and Tides
Ilwaco, 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 5:43AMSunset 8:39PMMonday May 10, 2021 11:17 AM PDT (18:17 UTC)Moonrise 4:36AMMoonset 6:43PMIllumination 1%

Columbia River Bar, West of the Mouth (station 46029, moored) Tillamook (station 46089, moored) Stonewall Banks (20NM W of Newport) (46050, moored) Newport, Stonewall Bank (46050, moored) Cape Arago (CAR03, C-MAN) Port Orford (station 46015, moored) Crecent City, CA (station 46027, moored). Columbia River Entrance (North Jetty) weather forecast issued today at 4:16 am. Next forecast at approx. 1-Day 3-Day 5-Day Graph Plots Open in Graphs.

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.
PZZ210 Columbia River Bar- 251 Am Pdt Mon May 10 2021
In the main channel.. - general seas...4 to 5 ft through Tuesday. - first ebb...around 445 am Monday, with seas near 8 ft. - second ebb...around 500 pm Monday, with seas near 7 ft. - third ebb...strong ebb around 515 am Tuesday, with seas near 7 ft.
PZZ200 251 Am Pdt Mon May 10 2021
Synopsis for the southern washington and northern oregon coast.. High pressure will remain offshore through at least Friday. Meanwhile, a surface thermal trough will remain over the far south or coast into northwest ca. This will maintain typical late spring north winds over the coastal waters, strongest during the afternoon and evening hours each day.
7 Day Forecast for Marine Location Near Ilwaco, WA
HourlyEDITHelp
location: 46.3, -124.03debug

Area Discussion for - Portland, OR
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FXUS66 KPQR 101748 AAB AFDPQR
Area Forecast Discussion . UPDATED National Weather Service Portland OR 1046 AM PDT Mon May 10 2021
Updated aviation section
SYNOPSIS. Upper level high pressure will result in another multi- day stretch of dry weather and above average temperatures this upcoming week. The next chances for rain hold off until the weekend and do not really start to climb until late next Sunday/Monday.
SHORT TERM. Today through Wednesday . Quick forecast package update made this morning to account for a few things. First was to increase winds for many areas, especially the south Willamette Valley. Northerly winds are already around 15 mph there as thermal low pressure is well established across northern California and is drawing air from higher pressure across our area. Expect to see a minimal increase in these winds this afternoon, but still higher than what we had. Second and third, updated skies and temperatures to account for these northerly winds. The morning marine stratus expanded a bit more than previously forecast leaving most of the the I-5 corridor under clouds at this hour. Additionally, northerly flow has a tendency to pack the marine moisture into the the southern Valley resulting in a later burn off time. With the expanded clouds and packing effects, lowered temperatures a few degrees across the board with the greatest change taking the south Valley back closer to
the mid 60s. Updated grids and text should already be available. /JBonk
Previous discussion from 317 AM follows: Shortwave ridging over the eastern Pacific will gradually shift across the Pacific Northwest over the next 48 hours. This will result in the next several days remaining dry with with temperatures warming through midweek. Northwesterly flow will keep temperatures cool along the coast, but inland locations should warm 3-5F each day through Wednesday. Satellite imagery this morning reveals marine clouds along the coast with a few patches along the foothills of the Cascades. Expect these clouds to gradually dissipate today. Marine cloud coverage each morning should be primarily limited to the coast and lower Columbia River valleys, but even then marine clouds appear likely to be particularly sparse Tuesday morning. /Neuman
LONG TERM. Wednesday night through Monday

Columbia River Bar Tide

. Models and their ensembles are in general agreement shortwave ridging will flatten midweek and transition to a weak shortwave trough sliding eastward across the Pacific Northwest Friday into Saturday. This should result in temperatures cooling across northwest Oregon and southwest Washington late in the week into next weekend. However, not all model guidance is on board with this idea as a cutoff low pressure may instead form to our south and subsequently result in a narrow shortwave ridging building back across the region. These somewhat subtle differences in the upper level pattern produce a wide range of possibilities temperature wise across the region next weekend. For example, the NBM's IQR (i.e. 50% of the time temperatures should fall outside of the range provided) for the Portland Airport ranges from 64F-74F Saturday and 65F-78F Sunday.
There are some GEFS and EPS ensemble members that produce light QPF as early as Saturday into Sunday as a dying front slides into the region. A higher proportion of the GEFS and EPS ensemble members produce measurable rain next Sunday night/Monday with a more robust shortwave trough sliding into the region. Nonetheless, there are still plenty of ensemble members that keep the area mainly dry. NBM guidance seems to capture the uncertainty tied to rain chances well so few deviations from it were made for the extended forecast. This does leave the chances of measurable rain rising into the 20-35% range by next Monday across the area. However, the odds of a more substantial rain is considerably lower and falls closer ~15% for a tenth of an inch and less than ~5% for a quarter of an inch of rain for most locations next Monday per NBM guidance. /Neuman
AVIATION. High pressure aloft continues to build into the region. At the surface, onshore flow brought stratus to much of the coast and inland areas with cigs generally in the 015-030 range. Satellite trends show stratus gradually dissipating. Current guidance and local study based on cloud layer thickness indicates most areas breaking out 18-20Z. The KAST area may take an hour or two longer to break out. Will likely see MVFR cig return to the coast tonight and up the lower Columbia to KPDX, with stratus more patchy in nature for the remainder of the Willamette Valley. Surface trough along the south Oregon coast enhancing northerly winds with gusts to 25 kt possible along the central Oregon coast and gust 20 kt in the south Willamette Valley this afternoon into early evening.
For detailed regional Pac NW aviation weather information, go online to: https://weather.gov/zse
KPDX AND APPROACHES . Expect to see VFR 18-19Z as 022 cigs dissipate. Expect northwest wind around 8-11 kt this afternoon and evening.
MARINE. High pressure will be the dominant feature over the coastal waters through at least Friday. At the same time, a surface thermal trough will extend from northwest CA north along the south OR coast. The persistent north-south oriented pressure gradient will result in a prolonged period of northerly winds over the coastal waters, which will be strongest during the afternoon and evening hours. Seas will be 6 to 8 ft and will result in some choppy conditions as wind wave action peaks during the afternoon through the evening. Overall, expect 20-25 kt winds over the central waters and 15-20 kt winds over the northern waters each day this week. There will likely be periods of time during the overnight hours in which the winds in zones PZZ270 and PZZ250 will fall below criteria. However, these times will be only for a few hours, therefore to reduce possible confusion will maintain the Small Craft Advisory through these times. /42
PQR WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None. PZ . Small Craft Advisory from 2 PM this afternoon to 5 PM PDT Tuesday for coastal waters from Cape Shoalwater WA to Cascade Head OR out 60 NM.
Small Craft Advisory until 5 PM PDT Tuesday for coastal waters from Cascade Head OR to Florence OR out 60 NM.
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Weather Reporting Stations
EDIT(on/off)HelpNOTE: Click on distance to see the station location on a map
Columbia
StationsDistAgeWind Air TempWater TempWavesPressureDewPt
ASTO3 - 9439040 - Astoria, OR15 mi78 min N 4.1 G 6 51°F 58°F1026.1 hPa (+0.0)
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth26 mi58 min NNW 9.7 G 14
TOKW1 - 9440910 - Toke Point, WA28 mi78 min NNE 6 G 8 51°F 56°F1026.5 hPa (+0.4)
46248 - Astoria Canyon, OR (179)35 mi52 min 54°F6 ft
46211 - Grays Harbor, WA (036)40 mi52 min 54°F6 ft
WPTW1 - 9441102 - Westport, WA42 mi102 min NW 8 G 9.9 50°F 55°F1026.5 hPa

Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Astoria, Astoria Regional Airport, OR13 mi23 minNNW 710.00 miOvercast53°F46°F77%1026.1 hPa

Noaa marine forecast columbia riverLink to 5 minute data for KAST
Wind History from AST (wind in knots)
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Last 24hrW7NW5N8NW8NW9NW10NW12NW9NW11NW8NW9N7NW6N7NW9NW9N10NW4N7NW7NW6N5NW4NW7
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Tide / Current Tables for Ilwaco, Baker Bay, Washington
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Tide / Current Tables for Point Adams., Columbia River, Oregon
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Point Adams.
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Mon -- 12:44 AM PDT 8.39 feet High Tide
Mon -- 05:36 AM PDT Moonrise
Mon -- 05:48 AM PDT Sunrise
Mon -- 07:15 AM PDT -0.04 feet Low Tide
Mon -- 01:33 PM PDT 6.99 feet High Tide
Mon -- 07:03 PM PDT 1.99 feet Low Tide
Mon -- 07:43 PM PDT Moonset
Mon -- 08:36 PM PDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION

Columbia River Marine Forecast


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8.18.47.664.12.30.8-00.21.32.84.566.96.96.14.83.52.522.43.556.6
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Columbia River Bar Marine Forecast


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Columbia River Bar Marine Forecast

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Columbia River Entrance Weather Forecast


PZZ200-110000- 251 AM PDT Mon May 10 2021.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST... High pressure will remain offshore through at least Friday. Meanwhile, a surface thermal trough will remain over the far south OR coast into northwest CA. This will maintain typical late spring north winds over the coastal waters, strongest during the afternoon and evening hours each day. $$ PZZ210-110000- Columbia River Bar- 251 AM PDT Mon May 10 2021 .IN THE MAIN CHANNEL... - GENERAL SEAS...4 to 5 ft through Tuesday. - FIRST EBB...Around 445 AM Monday, with seas near 8 ft. - SECOND EBB...Around 500 PM Monday, with seas near 7 ft. - THIRD EBB...Strong ebb around 515 AM Tuesday, with seas near 7 ft. $$