Friday, December3, 2021
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Marine Weather and Tides
Myrtle Creek, OR

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 7:26AMSunset 4:40PM Friday December 3, 2021 10:44 AM PST (18:44 UTC) Moonrise 6:43AMMoonset 4:14PM Illumination 0% Phase: New Moon; Moon at 29 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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PZZ350 Coastal Waters From Florence To Cape Blanco Or Out 10 Nm- 906 Am Pst Fri Dec 3 2021
.small craft advisory in effect through this evening...
Today..NE wind 5 to 10 kt. Cape arago southward, ne wind 10 to 20 kt...backing to N 15 to 20 kt late afternoon. Wind waves 3 to 4 ft. SWell nw 7 to 9 ft at 12 seconds.
Tonight..NE wind 5 to 15 kt...veering to S after midnight. Wind waves 2 ft or less...becoming 3 ft after midnight. SWell nw 8 to 9 ft at 13 seconds. Patchy fog.
Sat..S wind 15 to 20 kt...veering to sw 15 to 25 kt in the late morning and afternoon. Wind waves 3 to 5 ft. NW swell 8 ft at 13 seconds...subsiding to 6 to 7 ft at 12 seconds in the afternoon. Chance of rain through the day.
Sat night..N wind 10 to 20 kt. Wind waves 3 to 4 ft. SWell nw 7 to 8 ft.
Sun..NE wind 10 to 15 kt. Wind waves 3 ft in the morning... Becoming 2 ft or less. SWell nw 6 to 7 ft.
Sun night..NE wind 5 to 10 kt...veering to sw 10 to 20 kt after midnight. Wind waves 2 ft or less. NW swell 4 to 5 ft. Rain.
Mon..SW wind 30 kt...becoming nw 20 kt in the afternoon, then... Rising to 25 kt in the evening... Becoming N 15 kt after midnight. Wind waves 4 to 5 ft... Subsiding to 3 ft after midnight. W swell 7 ft...building to 12 ft.
Tue..N wind 10 kt...veering to se after midnight. Wind waves 3 ft in the morning...becoming 2 ft or less. NW swell 10 ft... Subsiding to 7 ft.
PZZ300 906 Am Pst Fri Dec 3 2021
Synopsis for the southern oregon coastal waters..North winds will gradually diminish through today. Very steep seas are expected to continue through late this morning beyond 10 nm of the coast south of bandon with generally steep seas elsewhere. Late this morning through this evening steep seas are expected, hovering around 10 feet. Seas diminish briefly tonight into Saturday. Late Saturday into Sunday the first in a series of fronts is expected to move through the area.


7 Day Forecast for Marine Location Near Myrtle Creek, OR
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location: 43.05, -123.33     debug


Area Discussion for - Medford, OR
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FXUS66 KMFR 031652 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 852 AM PST Fri Dec 3 2021

UPDATE. No significant changes this morning, with another day of extensive fog and low stratus in most of the valleys, and clear skies elsewhere. Again, we do not expect the Umpqua, Illinois, or Rogue valleys to clear much, if it all, this afternoon, and areas along the coast may develop and remain under clouds and fog as a southerly surge of winds pushes north through this evening.

Will focus majority of efforts today on the storm system expected to arrive early next week, as well as a second front due in a few days later. Wind and rain are the primary concerns, but there are some indication that low level snow is possible by the end of next week. See the previous discussion below for more details. -BPN

AVIATION. 03/12Z TAFs . At the coast, mostly VFR conditions exist and should remain through the day as a drier air mass affects the area. Isolated areas of IFR conditions are expected near Brookings and will likely remain there through the day.

Inland, west of the Cascades, valley LIFR conditions continue and should remain through the day under a stable, stagnant air mass. Conditions could improve some to MVFR this afternoon at these valley terminals, but IFR conditions are more likely.

East of the Cascades, fog and LIFR conditions are being observed in the Klamath Basin, and conditions here should improve later this morning to VFR.

Elsewhere, VFR conditions are expected to prevail through the next 24 hours. Additionally, there is potential for valleys west of the Cascades to improve to VFR Saturday as a front gets close to the area and winds aloft (and potentially at the surface) increase. Keene

MARINE. Updated 830 AM PST Friday, December 3, 2021 . North winds will gradually diminish through today as the axis of strongest north winds pushes farther west from the coast. Very steep seas are expected to continue into late this morning beyond about 10 NM of the coast south of Bandon with generally steep seas elsewhere. Then late this morning through this evening steep seas are expected, hovering around 10 feet. There will be a brief break from steep seas tonight into Saturday. Late Saturday into Sunday the first in a series of fronts is expected to move through the area.

Given the expected pattern change next week to a more active pattern, there will definitely be periods of significant winds and swell. Timing and strength of these events is not known at this time, but stay tuned as we get closer to the pattern change. -Keene/CC

PREV DISCUSSION. /Issued 440 AM PST Fri Dec 3 2021/

Updated aviation discussion.

DISCUSSION . Satellite imagery shows some stratus and fog across most of the valleys in southern Oregon and northern California. Additionally, higher cirrus clouds are sagging southeastward above the lower clouds and fog. This is due to an area of high pressure that remains over our area. This has led to the stagnation of air across the valleys in both states, with air quality degrading at times for most of the valleys with the inversion. This inversion looks to continue over the next couple of days as the high pressure looks to stay in place over the weekend.

Although a disturbance will approach Seattle by Saturday morning, it will stay to our north, even if it begins to drift southward as the high pressure begins to retreat to become more zonal flow this weekend. Overall, this disturbance, by the time it reaches our area (if it reaches us at all) will be too weak to break the inversion and our stagnation. Therefore, the air stagnation advisory will continue through the weekend.

The high pressure looks to build itself back in on Sunday, but retrograde westward somewhat in preparation for a stronger disturbance to push southeast across a larger portion of the Pacific Northwest by early Monday morning. This looks like it will be the first chance of rain we will receive in a week. Ensembles continue to telegraph this system pretty well with a few differences in the strength and location of the parent low as well as the southward extent of the attached cold front. As such, rain chances are a bit higher than what the National Blend of Models would expect due to the persistent nature of the ensembles with this system.

Snow levels will start off around 6000 to 7000 feet before falling to around 4000 feet by the time the precipitation ends on Tuesday night. In all, travel impacts should be minimal with snow occurring on the higher peaks of the Cascades and Siskiyous.

Lastly, winds will become breezy to gusty ahead of this system, particularly across our traditionally windier spots east of the Cascades. Winds could approach wind advisory criteria which could be dangerous for high profile vehicles and loose objects. The other effect this will have is that it will allow for flow of the previously stagnant air. Stay tuned to the forecast for more information on the wind, rain, and snow with this upcoming system.

A break in the weather is expected Tuesday and then the next system approaches our area on Wednesday. This system will also be oriented northwest to southeast, so rainfall patterns may favor places like Coos Bay with less rain shadowing in some of our west side valleys. But this could easily change in the next several days. Although snow levels will start out around 4000 feet, they appear to rise back to 6000 feet during the periods of precipitation before falling back down to 3000 feet as the precipitation ends in showers.

This low will trickle down from the north on Thursday and Friday and could bring some extended showers with it. Along with the showers will be lowering snow levels to possibly 3000 feet with some of the precipitation and around 1500 feet as the precipitation ends. Having seen this pattern all too many times before, valley floor snow a week from Saturday (8 days from now) is unlikely. However, this system could set the area up for more impactful snowfall at lower elevations (mid-level passes like Siskiyou Summit) should additional systems move into the area in quick succession. Ensembles are somewhat split on the happenings in the far extended, however. -Schaaf

MFR WATCHES/WARNINGS/ADVISORIES. OR . Air Stagnation Advisory until 7 AM PST Monday for ORZ029-030. Air Stagnation Advisory until 7 AM PST Monday for ORZ031. Air Stagnation Advisory until 7 AM PST Monday for ORZ024-026.

CA . None.

Pacific Coastal Waters . Small Craft Advisory until 10 PM PST this evening for PZZ350-356-370-376. Hazardous Seas Warning until 10 AM PST this morning for PZZ370-376.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 57 mi69 min N 5.1G8.9 52°F1022.1 hPa

Wind History for Charleston, OR
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Roseburg Regional Airport, OR13 mi52 minN 010.00 miOvercast46°F43°F89%1023.4 hPa

Link to 5 minute data for KRBG

Wind History from RBG (wind in knots)
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This day00SW3E3000W3000000N7N7N7N4N5N4N4N6N40
1 day ago0SW4SW40SW3000000N30N30000NW3NW3NW5000
2 days agoSW303NW300N4000000000SW30000SE504

Tide / Current Tables for Charleston, Oregon (2)
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Charleston
Click for Map
Fri -- 04:18 AM PST     2.57 feet Low Tide
Fri -- 06:48 AM PST     Moonrise
Fri -- 07:32 AM PST     Sunrise
Fri -- 10:24 AM PST     9.47 feet High Tide
Fri -- 04:16 PM PST     Moonset
Fri -- 04:41 PM PST     Sunset
Fri -- 05:28 PM PST     -1.53 feet Low Tide
Fri -- 11:44 PM PST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Charleston, Oregon (2), Tide feet
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6.5
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5.6
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4.3
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3.2
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2.6
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6.5


Tide / Current Tables for Charleston, Oregon
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Charleston
Click for Map
Fri -- 04:26 AM PST     2.52 feet Low Tide
Fri -- 06:48 AM PST     Moonrise
Fri -- 07:32 AM PST     Sunrise
Fri -- 10:33 AM PST     9.26 feet High Tide
Fri -- 04:16 PM PST     Moonset
Fri -- 04:41 PM PST     Sunset
Fri -- 05:33 PM PST     -1.68 feet Low Tide
Fri -- 11:44 PM PST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Charleston, Oregon, Tide feet
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6.5
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6.4


Weather Map
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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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