Cape Blanco OR to Point St. George CA from 10 to 60 NM Marine Forecast
| Today...N Wind 5 To 10 Kt. Seas Around 5 Ft. Wave Detail: Nw 5 Ft At 9 Seconds And S 2 Ft At 17 Seconds. Patchy Dense Fog Until Late Afternoon. |
| Tonight...N Wind 10 To 15 Kt. Seas 4 To 5 Ft. Wave Detail: N 2 Ft At 3 Seconds, Nw 4 Ft At 9 Seconds And S 2 Ft At 16 Seconds. Patchy Dense Fog. |
| Sun...N Wind 10 To 15 Kt. Seas 4 To 5 Ft. Wave Detail: Nw 2 Ft At 4 Seconds, Nw 3 Ft At 8 Seconds And S 3 Ft At 15 Seconds. |
| Sun Night...N Wind 10 To 15 Kt. Seas 4 To 5 Ft. Wave Detail: N 2 Ft At 4 Seconds, Nw 3 Ft At 8 Seconds And S 2 Ft At 15 Seconds. |
| Mon...N Wind 10 To 15 Kt, Rising To 15 To 20 Kt With Gusts Up To 25 Kt In The Afternoon. Seas 4 To 6 Ft. Wave Detail: N 3 Ft At 4 Seconds, Nw 3 Ft At 8 Seconds And S 3 Ft At 14 Seconds. |
| Mon Night...N Wind 15 To 20 Kt With Gusts Up To 30 Kt. Seas 5 To 7 Ft. Wave Detail: N 5 Ft At 5 Seconds, S 3 Ft At 14 Seconds And W 2 Ft At 12 Seconds. |
| Tue...N Wind 15 To 20 Kt. Seas 5 To 7 Ft. Wave Detail: N 5 Ft At 5 Seconds, W 2 Ft At 11 Seconds And S 3 Ft At 14 Seconds. |
| Tue Night...N Wind 20 To 25 Kt. Seas 6 To 7 Ft, Building To 6 To 9 Ft After Midnight. Wave Detail: N 7 Ft At 7 Seconds, S 3 Ft At 13 Seconds And W 2 Ft At 13 Seconds. |
| Wed...N Wind 20 To 25 Kt, Easing To 15 To 20 Kt In The Afternoon. Seas 5 To 8 Ft. Wave Detail: N 7 Ft At 7 Seconds, S 3 Ft At 13 Seconds And Nw 2 Ft At 13 Seconds. |
| Wed Night...N Wind 15 To 20 Kt. Seas 5 To 7 Ft. Wave Detail: Nw 5 Ft At 8 Seconds, Nw 3 Ft At 12 Seconds And S 3 Ft At 12 Seconds. |
| Area Forecast Discussion National Weather Service Medford OR 1037am PDT Sat September 5 2026 The main determinant of our weather today and Sunday will be the wobbles of a nearly stationary upper level trough that extends from western Canada into northern California. A northward shift of the trough allowed for shower activity to diminish yesterday, and activity today will again be focused north of our area. But, at least the crest of the Cascades to the north of Lake of the s and northern Klamath County have a chance of measurable rain, with snow levels at around 8000 ft msl, higher than the Crater Lake Rim but lower than the highest peaks. Meantime, other portions of southern Oregon have a good chance of seeing some evening virga. Compared to yesterday, the main shift in the data regarding the short term forecast is an increased probability of showers late tonight into Sunday morning, roughly from the Interstate 5 corridor eastward...though still focused over the Cascades into Klamath County. The probability of showers and thunderstorms will reach a peak during Sunday afternoon, wit scattered activity north of Crater Lake and isolated activity elsewhere, still roughly from the Interstate 5 corridor eastward. There is a sizable portion of the ensemble suite of data that has the western edge of activity a little farther east, along the Cascade crest. Amounts on Sunday of a tenth of an inch to a quarter of an inch should be common from the Cascades eastward, with a meausurable amount into the inland west side valleys. Activity looks to taper off Sunday evening as the trough tracks eastward. Another shift is higher confidence in dry conditions and clearing skies on Monday/Labor Day, after areas of early to mid-morning coastal and Umpqua Valley stratus. The clearing will aid the warming trend, with near normal temperatures by Tuesday. A ridge is likely to be the dominant upper level feature driving our weather at mid-week. The 06Z GFS (Global Forecast System) has introduced a little influx of mid- level moisture to clip Modoc and southern Lake counties on Wednesday into Thursday. But, the large majority of ensemble solutions keep the monsoonal flow to the south and east, out of our area. The warming and drying trend is likely to continue at mid-week, with temperatures likely becoming a bit above normal, but a minority of ensembles ramping temperatures up farther. So, no, hot, summer temperatures are not necessarily done yet. At the end of the forecast period, Friday into next weekend, uncertainty increases. There is disagreement over whether a closed low offshore from California will retrograde farther offshore (for further warming) or move closer to our area. About 20-30% (a minority) of solutions would introduce shower chances into our area. Depending on the track of this upper low offshore, many of the late week solutions that do favor shower development would also include at least a slight chance of thunderstorms. Marine Updated 200am PDT Saturday, September 5, 2026...Light, variable winds shift to northerly in the southern waters this morning and across the area later today with subsiding seas. Low seas along with a few showers will persist through Sunday night. A thermal trough develops Monday, with gusty north winds and steep seas likely south of Port Orford through mid-week. NOAA Medford OR Office: Watches - Warnings - Advisories OR...CA...None. PACIFIC COASTAL WATERS...Small Craft Advisory from 2pm Monday to 2 am PDT Tuesday for PZZ356-376. |
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