Friday, March5, 2021
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Marine Weather and Tides
Netarts, OR

Version 3.4
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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 6:40AMSunset 6:07PM Friday March 5, 2021 8:34 PM PST (04:34 UTC) Moonrise 1:10AMMoonset 10:24AM Illumination 50% 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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7 Day Forecast for Marine Location Near Netarts, OR
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location: 45.43, -123.95     debug


Area Discussion for - Portland, OR
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FXUS66 KPQR 052231 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 229 PM PST Fri Mar 5 2021

SYNOPSIS. The rather complex system that has been impacting the area the past day continues to slowly move inland tonight as the overall system weakens. Another front arrives Sunday and also looks to weaken as it comes onshore. Generally speaking, the coast will receive the bulk of precipitation while the Cascades receives far less. Low pressure slowly slides south while centered well offshore to bring some form of rain and snow for much of next week.

SHORT TERM. Tonight through Monday . As the trough axis of this system moves onshore this evening and continues to push across the CWA, expect showers to continue to diminish. Late tonight and into Saturday a shortwave upper level ridge becomes established which will likely usher in a period of reduced precipitation. The air mass looks to remain slightly unstable and could produce some small hail through Saturday. However, this period will be short lived as the next large system coming from the Gulf of Alaska swiftly moves in by Saturday night. The front associated with the incoming system brings elevated PoPs back into the forecast for Sunday. Through Sunday and into Monday the parent low is expected to become more loosely organized, which will result in any precipitation follow a similar pattern. While the general organization of the system will diminish, there will likely be some atmospheric instability Sunday afternoon but, at this time thunder concerns are minimal. Monday the large system in which the surface looks to be centered close to 135W and 55N will start to dive southeast towards northern California. As the system drops southeast and continues to spread out, expect precipitation chances to diminish slightly but not fully disappear.

The air mass through the weekend and into Monday will be cool, which will cause a drop in snow levels to around 2000 to 3000 feet. This will result in new snow accumulations of 2 to 6 inches across the Cascades over the weekend and into Monday. Also, temperatures over the next few days will stay a couple degrees below normal. /42

LONG TERM. Monday night through Friday . The large low mentioned previously, will continue to move southeast through Wednesday. As it does so, there will be opportunities for embedded short-waves to rotate around the base of the upper low and bring rain chances every day through Tuesday. The remainder of the week look to be rather dry albeit with temperatures remaining somewhat below normal. /42

AVIATION. The cold front continues to weaken as it pushes inland today. The front has slightly stalled creating increased and more intense precipitation through the Willamette Valley and along the Cascades foothills. This rain has been more intense at times which has caused visibility to reduce. The more widespread predominate visibility through inland locations has been 6 to P6SM, but with showers been seeing vis as low as 2SM. Because it has been spotty, decided to keep in TEMPO groups in the TAF packages for both vis and cigs. A southerly wind will persist through the next 24 hours with slightly more elevated winds along the coast and with the heavier showers. Not expected to continue through a long period of time, but can plan on isolated gusts throughout the area.

Overnight expecting the showers to taper, although because of the slower nature of the front, have been delayed. CIGs should remain VFR throughout the region with periods of MVFR, again, with passing showers. More prone areas have been through the central Willamette Valley and the Columbia River Gorge. Through the evening, cooling with the added moisture should allow the overcast deck to remain settled in place although may see periods of broken skies. Expected to stay VFR with bases around 3500 to 5000 ft except along the coast where more MVFR skies are likely. Another disturbance arrives Saturday afternoon but is trending to reach the area after 00Z Sunday. Can prepare for locally breezy winds at the onset of that system around 21-23Z Saturday.

For detailed regional Pac NW aviation weather information, go online to: https://weather.gov/zse

KPDX AND APPROACHES . VFR through much of the day with southerly winds. Expecting rain becoming showery through the evening hours. Could see some lowering of CIGs and vis to MVFR at times with heavier rain but should stay 2000-3000 ft if they do lower. The timing of these reductions is questionable and difficult to time so confidence is low on those specifics. No wind shear concerns. -Muessle

MARINE. The cold front that brought a significant bump in both seas and winds has shifted inland and conditions over the waters are beginning to ease. While winds were quick to "shut off", seas are another story. Throughout much of the waters observing winds 15 to 20 kt with gusts up to 25 kt. Could still see some winds 30 to 35 kt, but likely will be in the far outer northern waters or right near the coastline but not expected to be widespread or predominate. Seas are very slowly easing. Most locations are seeing 16 to 18 ft at 14 seconds composed of both the primary westerly and secondary southerly swells. The secondary fresh swell is expected to begin to shift more southwest to westward through Saturday which should aid in lowering seas and will no longer become a factor Saturday afternoon.

By Saturday afternoon, seas should reach heights of 11 to 13 ft at 13 seconds where they will hover for Saturday before building quite quickly with the advancement of the system. While the background swell will be around 13 ft at 14 seconds, very gusty winds (potentially reaching 30 to 35 kt) will amplify the wind wave and thus, increasing the overall combined sea heights. Could see seas reach anywhere from 16 to 20 ft with the highest heights being west of 40 NM. Recent model guidance is trending a tad lower than previous model runs with the Sunday into Monday system, but based on the last few systems, decided to push slightly higher than their output. -Muessle

PQR WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None. PZ . Small Craft Advisory until 1 AM PST Sunday for coastal waters from Cape Shoalwater WA to Florence OR out 60 NM.

Small Craft Advisory until 1 PM PST Saturday for Columbia River Bar.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 9 mi47 min 1015.4 hPa
46243 - Clatsop Spit, OR - 162 55 mi39 min 48°F11 ft
ASTO3 - 9439040 - Astoria, OR 55 mi47 min SSE 4.1 G 7 46°F 44°F1014 hPa

Wind History for Garibaldi, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tillamook, Tillamook Airport, OR7 mi40 minN 010.00 miPartly Cloudy43°F39°F87%1015.9 hPa

Link to 5 minute data for KTMK

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Tide / Current Tables for Tillamook, Hoquarten Slough, Oregon
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Tillamook
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Fri -- 12:33 AM PST     1.38 feet Low Tide
Fri -- 01:10 AM PST     Moonrise
Fri -- 05:32 AM PST     6.85 feet High Tide
Fri -- 06:45 AM PST     Sunrise
Fri -- 10:23 AM PST     Moonset
Fri -- 02:06 PM PST     0.16 feet Low Tide
Fri -- 05:32 PM PST     Last Quarter
Fri -- 06:08 PM PST     Sunset
Fri -- 07:17 PM PST     4.61 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.52.43.95.66.76.86.45.64.53.32.11.10.40.20.51.62.944.64.54.13.52.8

Tide / Current Tables for Garibaldi, Oregon (2)
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Garibaldi
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Fri -- 01:10 AM PST     Moonrise
Fri -- 04:54 AM PST     8.23 feet High Tide
Fri -- 06:45 AM PST     Sunrise
Fri -- 10:23 AM PST     Moonset
Fri -- 12:07 PM PST     0.28 feet Low Tide
Fri -- 05:32 PM PST     Last Quarter
Fri -- 06:08 PM PST     Sunset
Fri -- 06:39 PM PST     5.54 feet High Tide
Fri -- 11:31 PM PST     3.06 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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34.25.677.98.27.86.75.13.41.80.70.30.51.42.63.84.95.45.55.14.43.63.1

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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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