Cape Blanco OR to Point St. George CA from 10 to 60 NM Marine Forecast
| Today...S Wind 20 To 25 Kt Northern Portion And S 15 To 20 Kt Southern Portion. Wind Waves 3 To 5 Ft... Building To 4 To 7 Ft In The Afternoon. W Swell 12 Ft At 14 Seconds...Subsiding To 10 To 11 Ft At 14 Seconds In The Afternoon. Rain. |
| Tonight...Sw Wind 10 To 20 Kt...Veering To W 5 To 10 Kt Early In The Morning. Wind Waves 3 To 6 Ft. W Swell 11 Ft At 12 Seconds. Chance Of Rain Through The Night. Slight Chance Of Showers After Midnight. |
| Sat...Nw Wind 5 To 10 Kt...Veering To N In The Afternoon. Wind Waves 2 Ft Or Less. W Swell 8 To 9 Ft At 11 Seconds. Slight Chance Of Showers. |
| Sat Night...Northern Portion, N Wind 10 To 20 Kt. Southern Portion, N Wind 15 To 20 Kt...Rising To 25 Kt After Midnight. Wind Waves 2 Ft Or Less...Becoming 3 To 4 Ft After Midnight. W Swell 7 Ft. |
| Sun...N Wind 20 To 25 Kt...Rising To 30 Kt In The Afternoon. Wind Waves 4 To 7 Ft...Building To 6 To 8 Ft In The Afternoon. Nw Swell 5 To 6 Ft. |
| Sun Night...N Gales 35 Kt. Wind Waves 8 To 11 Ft. W Swell 4 To 5 Ft. |
| Mon...N Wind 30 Kt...Becoming Ne In The Afternoon, Then...Easing To 15 Kt In The Evening...Becoming Se 5 Kt After Midnight. Wind Waves 10 To 11 Ft... Subsiding To 7 To 8 Ft. Nw Swell 4 Ft... Building To 7 Ft. |
| Tue...S Wind 5 Kt...Veering To W In The Evening, Then...Veering To N After Midnight. Wind Waves 2 Ft Or Less. W Swell 6 To 7 Ft. |
| Area Forecast Discussion National Weather Service Medford OR 910am PDT Fri September 25 2020 The forecast is on track for today as a cold front will push through our region later this evening. This will bring another round of rain and breezy winds to the region, especially east of the Cascades. It looks like most of the rain will be along the Cascades and the coast through tonight, although the valleys should see a few hundreths. For more information beyond tonight, read the previous discussion below. Marine Updated 800am PDT Friday 25 September 2020...Steep, long period west swell will persist through this afternoon. At the same time, moderate south winds will increase and peak late this morning as another front passes through. Conditions should remain small craft most of the time. However, portions of the northern waters could become hazardous late this morning into this evening due to a combination of strong south winds and steep swell. Therefore, a Hazardous Seas Warning as been issued for the northern waters. Please see MMWMFR for more details. Winds will continue to diminish tonight, but small craft conditions are expected through tonight. Calmer conditions are expected Saturday, then a thermal trough will develop with north winds increasing late Saturday night through Sunday. There's a chance winds could approach gales by Sunday afternoon and lasting into Sunday night. -Petrucelli Fire Weather Updated 2am PDT Friday 25 September 2020... A front will gradually move into the area today into tonight. This will result in cooler temperatures and breezy to gusty winds ahead of the front across inland areas. Breezy south to southwest winds are expected at the coast and over the ridges west of the Cascades. From the Cascades east though, expect gusty west winds with gusts in the 30 to 40 mph range over the mountains and around 20 to 30 mph in the valleys for these areas. Light rain is expected to move into the coast this morning, then spread into the Umpqua and Southern Oregon Cascades this afternoon. Other areas further inland are expected to see rain later this afternoon into tonight, including across Josephine, Jackson, western Siskiyou, central and northern Klamath and northwest Lake Counties. The best chances for wetting rain are along the coast, coastal mountains and Southern Oregon Cascades as well as into th e Umpqua Basin. Rainfall amounts of 0.20 to 0.60 inches are expected for the coast, coastal mountains and Southern Oregon Cascades with locally higher amounts over the higher mountain. In the Umpqua expect around 0.15 to 0.30 inches of rain. Then most valleys in Jackson, Josephine, western Siskiyou and central/northern Klamath Counties are forecast to see generally less than 0.15 inches of rain. Saturday will be a transition day with some lingering light showers, mainly from the Southern Oregon Cascades west Saturday morning and early Saturday afternoon, then warming and dry conditions late Saturday. Strong high pressure is likely to follow with a warming and drying trend from Sunday through Tuesday, with continued very warm temperatures in the mid to late week. High temperatures forecast to be back into the mid 90s in the Rogue valley and near 100 in western Siskiyou county by Monday. With the upper ridge building over the region starting Sunday, a thermal trough will deepen on the southern Oregon coast, with a tight pressure gradient Sunday resulting in strong northeast to east winds to the higher elevations on the southern coastal ranges. Sunday night into Monday, these strong, gusty easterly winds are expected across ridges from the Cascades west with gusty winds and moderate to locally poor recoveries expected. The thermal trough spreads north later on Monday and into Tuesday with a decreasing pressure gradient resulting in lighter winds. However with high pressure remaining in place and a continued subsidence and prolonged offshore flow, expect poor to moderate recoveries on area ridges and dry daytime humidities into late this week. -CC Models continue to show a front moving into the area late today through tonight bringing some breezy to gusty conditions and another round of rainfall. Ahead of the front today, expect breezy south to southwest winds along the coast into across the mountains west of the Cascades with gusty west winds from the Cascades eastward this afternoon and evening. Strongest winds are expected over the mountains in the Cascades and eastward with gusts of 30 to 40 mph and in valley east of the Cascades with gusts of 20 to 30 mph. Light rain will begin to spread into the coast this morning. Then as the front moves gradually inland this afternoon into tonight, it will bring another round of rain to the area. Light to moderate rain expected at the coast, in the coastal mountains, Umpqua Basin and Southern Oregon Cascades. These areas are expected to see around 0.20 to 0.60 inches with some locally higher amounts possible in the mountains. Light rainfall, generally less than 0.15 inches, is expected in valleys in Jackson, Josephine, western Siskiyou, northern and central Klamath and northwest Lake Counties. Behind this front, expect cloudy skies and lingering light showers Saturday morning into early to mid Saturday afternoon, especially from the Cascades west. Then models are in good agreement showing showers tapering off by late Saturday afternoon followed by an upper level ridge of high pressure building into the region Saturday night and Sunday. The upper level ridge is forecast to strengthen Sunday into early next week. This will bring a trend towards much warmer and drier weather with a return to more summer-like weather. A thermal trough will develop along the coast with offshore (easterly to northeasterly winds) developing Saturday night into Sunday, then strengthening Sunday night and Monday. These winds are expected to lower Monday night into Tuesday. However, high pressure will remain in place with warm and dry weather through late this week. Temperatures are expected to rise into the 90s across most inland valleys west of the Cascades by Monday and in the lower 80s for valleys east of the Cascades. Models and guidance forecast temperature to increase another few degrees on Tuesday with highs in the mid to upper 90s across most western valleys and in the upper 80s across eastern valleys. Additionally, warm temperatures will develop along coast as a result of the offshore easterly winds. Highs in the upper 80s to 90s are expected in the Brookings area Sunday. Then most all the coast will see warm temperatures Monday and Tuesday with highs in the 80s. Temperatures are forecast o lower slightly late in the week but overall, models indicate that warmer than normal and dry conditions will linger into Friday. At the coast, expect temperatures to lower into the lower to mid 70s by Friday. Also expect southerly winds and areas of low clouds to develop along the coast and over marine waters Thursday night into Friday. .MFR WATCHES/WARNINGS/ADVISORIES... OR...None. CA...None. Pacific Coastal Waters...Small Craft Advisory until 5am PDT Saturday for PZZ350-356-370-376. Hazardous Seas Warning until 8pm PDT this evening for PZZ350-370. |
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