Coos Bay, OR Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Coos Bay, OR

May 28, 2024 7:02 PM PDT (02:02 UTC) Change Location
Sunrise 5:39 AM   Sunset 8:49 PM
Moonrise 12:09 AM   Moonset 9:24 AM 
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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- 252 Pm Pdt Tue May 28 2024

.small craft advisory in effect from Wednesday afternoon through Friday evening - .

Today - W wind around 5 kt, backing to sw late this morning and early afternoon, veering to W late. Seas 5 ft. Wave detail: nw 5 ft at 12 seconds. A slight chance of showers this morning. A slight chance of rain early this afternoon, then a chance of rain late.

Tonight - W wind 5 to 10 kt, veering to nw after midnight. Seas 5 ft. Wave detail: nw 5 ft at 11 seconds.

Wed - N wind 10 to 15 kt. Seas 5 ft. Wave detail: nw 2 ft at 4 seconds and W 5 ft at 11 seconds.

Wed night - N wind 15 to 20 kt. Seas 5 ft. Wave detail: N 4 ft at 4 seconds and nw 4 ft at 10 seconds.

Thu - N wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 4 to 6 ft, building to 6 to 8 ft in the afternoon. Wave detail: N 4 ft at 5 seconds and nw 3 ft at 9 seconds.

Thu night - N wind 20 to 25 kt with occasional gusts to 35 kt, easing to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: N 5 ft at 5 seconds and W 3 ft at 9 seconds.

Fri - N wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: N 4 ft at 5 seconds and nw 2 ft at 9 seconds.

Fri night - N wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: nw 6 ft at 7 seconds.

Sat - N wind 5 to 10 kt, backing to W in the afternoon. Seas 4 ft. Wave detail: nw 4 ft at 7 seconds.

Sat night - NW wind 5 to 10 kt, backing to W after midnight. Seas 3 to 4 ft. Wave detail: nw 4 ft at 7 seconds.

PZZ300 252 Pm Pdt Tue May 28 2024

Synopsis for the southern oregon coastal waters - Relatively calm conditions are expected through tonight. A thermal trough will develop Wednesday with increasing north winds. The thermal trough will strengthen further Wednesday night and persist into Friday evening with moderate to strong north winds, with winds strongest south of cape blanco. Winds and seas will gradually diminish this weekend.


7 Day Forecast for Marine Location Near Coos Bay city, OR
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Area Discussion for - Medford, OR
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FXUS66 KMFR 282345 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 445 PM PDT Tue May 28 2024

.Updated Aviation Discussion.

DISCUSSION
overall the weather should be fairly repetitive this week, with weak high pressure dominating once the current trough moves to the east.

The broad trough sitting offshore of Vancouver Island and has forced a weakening front onshore. This has caused some weak showers, but generally just dry cumulus, up over the terrain west of the Cascades in the Coast ranges and Douglas County. East of the Cascades, thunderstorms are beginning to form today in Lassen and Modoc County. There is a 10-20% chance for further isolated thunderstorm activity across Lake County as well as the front moves through, but the better environment is in the eastern half of Oregon into Idaho. Overall, these showers/thunderstorms should cause no more than a nuisance level of impact.

Temperatures are expected to remain around the mid 70s to low 80s for most places inland from the coast, which is near or at normal for this time of year. The one exception would be in the Umpqua Basin where if fog forms tonight, the forecast could be a few degrees on the warm side.

Wednesday into Friday, a thermal trough will peak and this will bring moderate recoveries to most places outside of Douglas, Coos, or Curry County. The thermal trough will also cause strong north- northwest winds in the coast range and a chetco effect, which will lead to warmer temperatures around Brookings than elsewhere on the coast. The strong winds at the coast should subside on the weekend.

The climate prediction center is hinting already at some higher than normal chances for a heat wave in the extended range of the forecast and it is worth taking a look at their outlook if you are concerned about heat.
-Miles

AVIATION
28/18Z TAFs...Along the coast and just offshore. VFR ceilings are currently being observed. However a weak disturbance offshore will move inland later this evening resulting in increased onshore flow with marine stratus with MVFR ceilings developing between 4-5z and lasting into tomorrow morning, before improving to VFR in the afternoon. The south coast should remain VFR through the TAF period.

Inland, west of the Cascades, Ceilings are expected to remain VFR through the TAF period. Winds will increase during the day, with gusts up to 25 kts possible at Medford until 3z.

East of the Cascades, VFR conditions will continue through the TAF period. The main concern is moderate to occasionally strong winds with peak gusts possibly exceeding 30 kts at Klamath Falls into this evening. The other concern is isolated thunderstorms over Lake, Modoc, and eastern Siskiyou counties late this afternoon and evening. However, they are not expected at the Klamath Falls terminal. -Petrucelli

MARINE
Updated 230 PM Tuesday, May 28, 2024...Relatively calm conditions are expected into Wednesday morning with light to moderate winds and low seas. A thermal trough will develop during the day Wednesday resulting in increasing north winds that will reach Small Craft for all of the southern waters, except beyond 5 nm from shore west of Port Orford. The thermal trough will strengthen further late Wednesday night through at least Friday evening and this will result in Gale force winds for a good chunk of the southern waters, except beyond 40 nm from shore west of Cape Blanco. Meanwhile Small Craft Conditions will expand north over the rest of the waters that will last into at least Friday evening.

The thermal trough will weaken overnight Friday into Saturday with north winds diminishing as an upper trough approaches. Calmer seas are expected by the weekend and into early next week. -Petrucelli

MFR WATCHES/WARNINGS/ADVISORIES
OR
CA
None.

PACIFIC COASTAL WATERS...Small Craft Advisory from 5 PM Wednesday to 5 AM PDT Thursday for PZZ350-356-370-376.

Gale Warning from 5 AM Thursday to 11 PM PDT Friday for PZZ356- 376.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
CHAO3 - 9432780 - Charleston, OR 7 mi87 min W 6G8.9 30.25
SNTO3 9 mi93 min SW 5.1 60°F 30.2755°F
46229 - UMPQUA OFFSHORE, OR (139) 32 mi37 min 56°F6 ft
PORO3 - 9431647 - Port Orford, OR 47 mi45 min NW 4.1G6 60°F 46°F30.27


Wind History for No Ports station near this location
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KOTH SOUTHWEST OREGON RGNL,OR 3 sm66 minW 1010 smMostly Cloudy61°F52°F72%30.26
Link to 5 minute data for KOTH


Wind History from OTH
(wind in knots)
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Tide / Current for Coos Bay, Oregon
   
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Coos Bay, Oregon, Tide feet


Tide / Current for Charleston, Oregon
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Charleston
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Tue -- 01:09 AM PDT     Moonrise
Tue -- 03:26 AM PDT     7.26 feet High Tide
Tue -- 05:41 AM PDT     Sunrise
Tue -- 10:24 AM PDT     Moonset
Tue -- 10:43 AM PDT     -0.88 feet Low Tide
Tue -- 05:44 PM PDT     6.02 feet High Tide
Tue -- 08:48 PM PDT     Sunset
Tue -- 10:49 PM PDT     3.50 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Charleston, Oregon, Tide feet
12
am
4.8
1
am
5.8
2
am
6.7
3
am
7.2
4
am
7.2
5
am
6.4
6
am
5.1
7
am
3.5
8
am
1.7
9
am
0.2
10
am
-0.7
11
am
-0.9
12
pm
-0.3
1
pm
0.9
2
pm
2.4
3
pm
3.9
4
pm
5.1
5
pm
5.9
6
pm
6
7
pm
5.6
8
pm
4.9
9
pm
4.2
10
pm
3.7
11
pm
3.5


Weather Map
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GEOS Local Image of Pacific Northwest   
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Medford, OR,




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