Monday, April6, 2020
Privacy Policy
L-36.com


Marine Weather and Tides
Coos Bay, OR

Version 3.4
NOTICE
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 6:48AMSunset 7:50PM Sunday April 5, 2020 9:33 PM PDT (04:33 UTC) Moonrise 4:00PMMoonset 4:58AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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
    EDIT      (on/off)   Help
PZZ350 Coastal Waters From Florence To Cape Blanco Or Out 10 Nm- 842 Pm Pdt Sun Apr 5 2020
.small craft advisory in effect from Monday afternoon through Tuesday afternoon...
Tonight..W wind 5 to 10 kt. Wind waves 3 ft late in the evening...becoming 2 ft or less. W swell 2 to 3 ft at 9 seconds. Scattered showers.
Mon..NW wind 5 to 10 kt...veering to N 5 to 15 kt in the late morning and afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. NW swell 4 to 5 ft at 9 seconds. Slight chance of showers.
Mon night..N wind 10 to 15 kt. Wind waves 3 to 5 ft. NW swell 4 to 5 ft at 8 seconds.
Tue..N wind 10 to 15 kt. Wind waves 4 to 5 ft. NW swell 3 to 4 ft.
Tue night..N wind 10 to 20 kt. Wind waves 5 to 6 ft. NW swell 3 to 4 ft.
Wed..N wind 10 to 15 kt. Wind waves 4 to 6 ft. NW swell 2 to 4 ft.
Wed night..N wind 10 to 20 kt. Wind waves 4 to 6 ft. NW swell 5 ft.
Thu..N wind 15 to 20 kt. Wind waves 5 ft. NW swell 5 ft... Subsiding to 3 ft and sw 2 ft.
Fri..N wind 15 to 20 kt. Wind waves 4 to 5 ft. NW swell 3 ft.
PZZ300 842 Pm Pdt Sun Apr 5 2020
Synopsis for the southern oregon coastal waters..The surface low pressure will begin to move south out of the area tonight but, steep, chaotic seas with a mix of wind wave, fresh swell, and westerly swell remains. Seas diminish into Monday morning and high pressure will build into the area with a thermal trough along shore. The thermal trough will strengthen Tuesday and likely persist for the week. This will produce steep wind wave dominated seas with the strongest winds south of cape blanco.


7 Day Forecast for Marine Location Near Coos Bay city, OR
   Hourly   EDIT   Help
location: 43.38, -124.22     debug


Area Discussion for - Medford, OR
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXUS66 KMFR 052145 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 245 PM PDT Sun Apr 5 2020

SHORT TERM.

We cancelled the winter storm warning this afternoon as temperatures have warmed over higher elevations. In addition, precipitation is becoming more showery, so the potential for significant snow accumulation has diminished.

We're still expecting some thunderstorms this afternoon and early evening as radar and satellite data suggests the atmosphere is destabilizing. The occluded front that moved through our forecast area earlier today seems to have kept conditions pretty stable with widespread cloud cover for most of the day. However, the areas that remained mostly clear are starting to see convective showers pop up this afternoon. In fact, some cloud to ground lightning just already occurred in Coos County. We're not anticipating any severe storms, yet small pea sized hail and some lightning is still possible west of the Cascades if we can see a little sun to warm up the surface.

The low will slide south later tonight and we'll see some lingering cloud cover to keep conditions relatively warm overnight. Therefore, we decided against issuing a frost advisory along the coast because of the cloud cover. Patchy fog is possible east of the Cascades and in the Umpqua valley tonight.

A 10 - 25 percent chance for showers persists into Monday as vorticity from the low rotates through our area. This should destabilize the atmosphere at times, especially in northern California. There is some MUCAPE in northern California, yet not enough to put thunder in the forecast on Monday.

Skies will then clear out Monday night into Tuesday as 500 mb heights build. Only noteworthy thing here is fog forming in some of the valleys west of the Cascades. The Umpqua valley is the best bet because of climatology. The MET and MAV bulletins have backed off on fog, yet with the recent rainfall it seems logical to keep it in, especially with clearing skies.

-Smith

LONG TERM. Thursday through Sunday . Models and ensembles remain in good agreement that a high pressure ridge will remain over the region through Saturday. This will bring warm and dry conditions to the area. The ridge is expected to weaken inland and shift more offshore late Saturday into Sunday due to an upper level shortwave trough digging southward over the region. There remains variability on the track and strength of this shortwave trough. Overall, models and ensembles favor a northwest flow pattern over the area on Sunday with a slight chance of showers, mainly across portions of the Southern Oregon Cascades and eastward.

Warm and dry conditions with above normal temperatures are likely Thursday through Saturday. The European and GFS models, along with the National Blend of Models, support high temperatures rising into the 70s in many valleys west of the Cascades and into the 60s to near 70 for east side valleys. Warmest daytime temperatures are expected Thursday into Friday. Along the coast, offshore northeast winds are expected Thursday and Friday as a surface thermal trough remains along the coast. This will result in a mild Chetco, warming effect along the southern Curry coast near Brookings, especially Wednesday into Thursday when northeast flow is forecast to be strongest. Daytime temperatures will gradually trend lower Saturday into Sunday but are expected to remain near or above normal.

-CC

AVIATION. For the 06/18Z TAF Cycle . Low pressure will continue to bring a mix of VFR/MVFR ceilings today with local IFR and terrain obscurations. Showers are likely to increase in coverage this afternoon and evening, with isolated thunderstorms also possible. Overall, winds should be fairly typical, but could still be gusty at times in the Shasta Valley and over the east side and near any thunderstorms. Showers should then diminish overnight into Monday morning. This may allow areas of low clouds and fog to develop at some terminals, most likely at Roseburg, but confidence is low.

-Spilde/Smith

MARINE. Updated 230 PM PDT Sunday 5 April 2020 . A low will linger far offshore from Pt. St. George early this evening. This will continue variable winds and steep, chaotic seas with a mix of wind wave, fresh swell, and westerly swell. These steep seas will be present in the outer waters and also extend to near shore from Cape Blanco southward.

Seas diminish slightly overnight as the low tracks southwestward. But, high pressure will build into the area on Monday with a thermal trough along shore. The thermal trough will strengthen Tuesday and likely persist for the week. This will produce steep wind wave dominated seas beginning Monday afternoon with the strongest north winds occurring south of Cape Blanco from around 5 nm to 30 nm from shore. In that region, during the late afternoon and early evening hours of Tuesday through Thursday, winds may approach gale force.

-DW

MFR WATCHES/WARNINGS/ADVISORIES. OR . None.

CA . None.

Pacific Coastal Waters . Small Craft Advisory until 11 PM PDT this evening for PZZ350-356-370-376.


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 7 mi58 min NNW 5.1 G 8
SNTO3 9 mi64 min Calm 47°F 1006 hPa46°F
46128 18 mi154 min 47°F 50°F
46229 - UMPQUA OFFSHORE, OR (139) 32 mi34 min 51°F5 ft
PORO3 - 9431647 - Port Orford, OR 47 mi46 min SE 6 G 7 50°F 52°F1006.1 hPa

Wind History for Charleston, OR
(wind in knots)    EDIT      (on/off)   Help
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
Last
24hr
SE3
SE3
SE4
G7
SE2
SE2
--
SE1
G5
SE2
E2
S1
--
SE1
SE1
N1
G4
NW6
N9
W8
G13
SW4
G9
SW3
G9
W6
G11
W7
G13
W6
G12
W7
NW6
1 day
ago
SE2
SE3
SE4
SE3
G6
SE3
SE3
SE4
SE2
S3
E1
E4
E7
E4
E4
G7
E5
E3
NE2
G5
SW3
G6
NW3
SE1
G7
SW4
G10
SW2
G6
--
E4
2 days
ago
SE4
G9
SE4
G7
SE4
G8
SE3
SE2
G5
SE4
G7
S2
G5
W4
G7
W4
G8
W9
G15
W9
G12
W8
G11
SW6
G11
W7
G10
W3
G6
S1
SE2

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Oregon Regional Airport, OR4 mi38 minN 510.00 miOvercast47°F45°F93%1006.1 hPa

Link to 5 minute data for KOTH

Wind History from OTH (wind in knots)
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
Last 24hrE5E3E5E4SE6SE6S3SE5SE7S4SE4SE6CalmCalmNW8N13NW11SW13
G21
W15W10W10NW6N5N5
1 day agoSE5SE5SE6SE4SE4SE4SE5S5SE5S5NE4NE4E4CalmNE3NE3Calm3W6NW4W7SW7CalmCalm
2 days agoSE5SE6SE7SE6SE5SE7SE7SE9S7S8S7SE7SE8SE6S6S4W9W10W10W7W8W6NW3SE5

Tide / Current Tables for Coos Bay, Oregon
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Charleston, Oregon
   EDIT      (on/off)   Help   One Week of Data
Charleston
Click for Map
Mon -- 05:34 AM PDT     1.06 feet Low Tide
Mon -- 06:29 AM PDT     Moonset
Mon -- 06:49 AM PDT     Sunrise
Mon -- 11:36 AM PDT     7.67 feet High Tide
Mon -- 05:57 PM PDT     -0.39 feet Low Tide
Mon -- 06:19 PM PDT     Moonrise
Mon -- 07:50 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
7.26.55.13.52.11.21.11.93.356.57.57.66.85.23.31.40.1-0.40.11.63.55.57

Weather Map
       (on/off)   Help Weather Map
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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Medford, OR (0,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Medford, OR
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

Cookie Policy:
This website uses cookies to save your settings. No personal information is saved. I do not collect statistics on your visit. You can disable cookies in your browser if you like but it is not recommended for this site. I do not sell cookies. Go to a bakery for that. In fact I do not sell anything. To disable cookies from L-36.com, please refer to the Help button in your browser.
Privacy Policy:
I do not sell or share any user data or anything else for that matter. The only personal information I save is in the site log which has a line for each page view which includes the IP address your browser sends in the header as well as which page you requested. I use this to block hackers and other bad actors. I do not use this raw data to create profiles on users. I periodically delete the log files. If you are subject to CCPA, Google ads on this site will not be based on your past behavior so you will likely not see an ad for a lawn mower just because you looked for one at a big box website. I do not believe this site is subject to CCPA but I am doing what I can to follow the guidelines anyway.
Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.