Florence to Cape Blanco OR out 10 NM Marine Forecast
| Today...Sw Wind 15 To 20 Kt With Gusts Up To 25 Kt, Easing To 5 To 10 Kt. Seas 4 To 5 Ft. Wave Detail: Sw 3 Ft At 5 Seconds And Nw 4 Ft At 9 Seconds. A Slight Chance Of Tstms. Showers This Morning, Then A Chance Of Rain This Afternoon. |
| Tonight...Sw Wind 5 To 10 Kt. Seas 5 To 6 Ft. Wave Detail: W 3 Ft At 5 Seconds And W 5 Ft At 8 Seconds. A Chance Of Rain. |
| Thu...Nw Wind 5 To 10 Kt. Seas 5 To 6 Ft. Wave Detail: Nw 5 Ft At 7 Seconds And W 6 Ft At 10 Seconds. A Chance Of Rain. |
| Thu Night...N Wind 10 To 15 Kt. Gusts Up To 25 Kt After Midnight. Seas 5 To 6 Ft. Wave Detail: Nw 5 Ft At 7 Seconds And Nw 4 Ft At 10 Seconds. |
| Fri...N Wind 10 To 15 Kt. Gusts Up To 25 Kt In The Afternoon. Seas 4 To 5 Ft. Wave Detail: Nw 4 Ft At 8 Seconds. |
| Fri Night...N Wind 15 To 20 Kt With Gusts Up To 25 Kt, Easing To 5 To 10 Kt After Midnight. Seas Around 4 Ft. Wave Detail: Nw 4 Ft At 8 Seconds. |
| Sat...Ne Wind Around 5 Kt, Backing To Nw In The Afternoon. Seas 3 To 4 Ft. Wave Detail: Nw 2 Ft At 4 Seconds And Nw 3 Ft At 9 Seconds. |
| Sat Night...N Wind 5 To 10 Kt. Seas 4 To 5 Ft. Wave Detail: Nw 5 Ft At 10 Seconds. A Chance Of Rain. |
| Sun...N Wind 5 To 10 Kt, Rising To 10 To 15 Kt In The Afternoon. Seas 4 To 5 Ft, Building To 6 Ft In The Afternoon. Wave Detail: N 3 Ft At 4 Seconds And Nw 5 Ft At 10 Seconds. A Chance Of Rain. |
| Sun Night...N Wind 10 To 15 Kt. Seas 3 To 4 Ft. Wave Detail: N 4 Ft At 5 Seconds. A Chance Of Rain. Winds And Seas Higher In And Near Tstms. |
| Area Forecast Discussion National Weather Service Medford OR 231am PDT Wednesday September 11 2024 A more active pattern begins today. The leading edge of the rain associated with an approaching cold front is now evident at the coast north of Cape Blanco, and will spread across southwest Oregon, most of Klamath County, far northwest Lake County, and far western Siskiyou County this morning. More specifically, reaching most areas north and west of the Rogue- Umpqua Divide by 5 AM, then to the Grants Pass area around 6 AM, Medford/Ashland area around 8 AM, then to the Cascades by 9-10 AM, and east side by noon. Some of the stronger cells within the rain bands could bring thunderstorms with brief downpours and gusty winds. Widespread wetting rainfall is expected, with the most rain occurring along the coast (in the coast ranges) and also across the Umpqua Valley to the Oregon Cascades/Foothills. These areas will see widespread amounts of 0.40-1.00 inch. Lesser amounts are expected south of the Umpqua Divide and east of the Cascades in Oregon with 0.10-0.40", including around a quarter of an inch for the Rogue Valley. This will be welcome news to those fighting the wildfires burning in the region. It should be noted that rainfall rates could be significant within the strongest convective cells, but these cells will be moving very quickly and sustained heavy rates shouldn't last too long in any given location. As such, we aren't too concerned about flash flood/debris flow risk. Latest CAM guidance is showing potential for rates in the 0.20-0.30"/hr range. This is mainly across Douglas County for a few hours Wednesday morning. It will be much cooler today, with highs around 25 degrees lower than they were yesterday...mainly 60s for the west side with 50s and 60s for the east side. Showers will continue this afternoon and evening, though not everyone will get measureable rain. Portions of the Shasta Valley or portions of the Mt Shasta region might get missed all together since the best forcing for precipitation is focused to the north in Oregon. After 8pm this evening, the upper trough axis will shift to the east and coverage of showers should diminish rapidly. Onshore flow, however, will keep the probability of lingering light showers higher along the coast and over the Cascades into sunrise Thursday morning. Things dry out on Thursday as heigheights rise and precipitation chances gradually diminish to nil across the Douglas and Coos coast. Expect increasing sunshine and a comfortable afternoon with inland highs largely in the range of 65-75 degrees. Low temperatures will have a decreasing trend into Friday morning, with freezing temperatures possible for much of the east side on Friday morning. It will warm up a bit Friday and (and slightly less so) Saturday with temperatures around normal as weak high pressure builds into the area. A marine layer of low clouds is expected to surge into the coastal valleys late Friday evening into Saturday morning. Another couple of Pacific troughs are expected to be the drivers of our weather around Sunday into early Monday, and around late Tuesday into Wednesday. The NBM solution was utilized with a high degree of model-to-model and run-to-run variability in the timing, track, and strength of these features. The general trend has been toward a weaker solution with less rain produced from the combination of these next two systems than from today's system. But, this should continue seasonable temperatures, and at least generate surges of mainly night and morning low clouds from the coast into southwest Oregon valleys. -Spilde/DW Marine Updated 200am Wednesday, September 11, 2024...A weak cold front will pass through the region today, producing southerly winds, widespread showers, and a chance for thunderstorms through this afternoon. Rain will taper off through this evening, but some showers will continue through tonight. Seas will become dominated by moderate westerly swell for Thursday following the frontal passage. The thermal trough will redevelop Thursday evening into Friday morning, along with gusty north winds and steep wind-driven seas, especially south of Cape Blanco. Very steep and hazardous seas are possible Friday afternoon south of Gold Beach. A Small Craft Advisory is in effect for Thursday through Friday night. Light to moderate north winds are then expected this weekend into early next week as a series of systems pass through the area. -BPN NOAA Medford OR Office: Watches - Warnings - Advisories OR...CA...None. PACIFIC COASTAL WATERS...Small Craft Advisory from 2pm Thursday to 5 am PDT Saturday for PZZ356-376. |
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