Florence to Cape Blanco OR from 10 to 60 NM Marine Forecast
| Tonight...N Wind 20 To 25 Kt With Gusts Up To 30 Kt. Seas 7 To 10 Ft. Wave Detail: N 10 Ft At 7 Seconds And W 4 Ft At 11 Seconds. |
| Thu...N Wind 20 To 25 Kt With Gusts Up To 30 Kt. Seas 7 To 9 Ft. Wave Detail: N 8 Ft At 6 Seconds And Nw 4 Ft At 11 Seconds. |
| Thu Night...N Wind 20 To 25 Kt With Gusts Up To 30 Kt. Seas 7 To 9 Ft. Wave Detail: N 9 Ft At 7 Seconds And Nw 3 Ft At 10 Seconds. |
| Fri...N Wind 20 To 25 Kt With Gusts Up To 30 Kt. Seas 7 To 9 Ft. Wave Detail: Ne 8 Ft At 7 Seconds And Nw 3 Ft At 11 Seconds. |
| Fri Night...N Wind 20 To 25 Kt, Easing To 15 To 20 Kt After Midnight. Seas 6 To 9 Ft. Wave Detail: Ne 8 Ft At 7 Seconds And Nw 3 Ft At 10 Seconds. |
| Sat...N Wind 15 To 20 Kt With Gusts Up To 25 Kt. Seas 6 To 7 Ft. Wave Detail: Ne 6 Ft At 6 Seconds And Nw 3 Ft At 10 Seconds. |
| Sat Night...N Wind 20 To 25 Kt With Gusts Up To 30 Kt. Seas 7 To 8 Ft. Wave Detail: N 8 Ft At 8 Seconds, W 3 Ft At 9 Seconds And Nw 2 Ft At 17 Seconds. |
| Sun...N Wind 15 To 20 Kt. Seas 6 To 7 Ft. Wave Detail: N 6 Ft At 7 Seconds, Nw 5 Ft At 14 Seconds And Nw 2 Ft At 9 Seconds. |
| Sun Night...N Wind 10 To 15 Kt, Becoming W 5 To 10 Kt After Midnight. Seas 6 To 7 Ft. Wave Detail: N 3 Ft At 5 Seconds, N 3 Ft At 8 Seconds And Nw 5 Ft At 14 Seconds. |
| Mon...Sw Wind 10 To 15 Kt, Becoming W 15 To 20 Kt In The Afternoon. Seas 5 To 6 Ft. Wave Detail: W 4 Ft At 5 Seconds, N 2 Ft At 8 Seconds And Nw 4 Ft At 13 Seconds. A Chance Of Rain In The Morning, Then Rain Likely In The Afternoon. |
| Mon Night...Nw Wind 15 To 20 Kt. Seas Around 8 Ft, Building To 10 To 11 Ft After Midnight. A Chance Of Rain. |
| Area Forecast Discussion National Weather Service Medford OR 211pm PDT Wednesday May 20 2026 oday through Tuesday)... Key Points: * Minor/low impacts continue the next several days - Well above normal temperatures start tomorrow - Temperatures closer to normal through early next week * No strong signal for precipitation until early next week - Small indications for isolated showers this weekend - Mainly for northern California - Could have isolated thunder if anything develops * Elevated fire weather concerns this week - Combination of dry, breezy, and warm temperatures - Fuels fortunately keeping the overall fire threat low/moderate Further Details: A ridge of high pressure continues its position over the Pacific Ocean through the next several days. As a result, an overall dry and stable airmass is likely to persist through Friday night/Saturday morning. However, this does start to break down/move west by Saturday. This will allow for more of a zonal flow to set up over the PacNW with weak embedded PVA. There is at least some semblance of a potential for convection starting Saturday afternoon as we reach convective temperatures. Upper level features are less than desirable for high confidence, but there is enough overlap of parameters to warrant at least a mention of showers/thunderstorms. CAMs are indicating this potential as well Saturday afternoon for northern California and eastside areas. Currently, the NBM has no mention of this potential (<10%), and therefore the current forecast does not reflect this potential. As CAMs start to get weighted into the NBM, we may see these chances reflected in Probability of Precipitation and subsequent forecast. With the ridge of high pressure displaced out of the region, a trough is forecast to develop and dig south over the west coast early next week. This is a much stronger signal for precipitation across our entire foreacst area than we have seen in well over a week (outside of isolated rainfall). That said, there are discrepancies between global models on the timing, overall height fields, and hence coverage of precipitation chances. The takeaway here is there is at least a better signal for widespread precipitation than we have seen in recent weeks. Confidence is increasing for precipitation between Monday and Wednesday but details are still unclear. As we maintain the dry airmass and breezy afternoons, there will be at least an elevated threat for fire weather conditions each day. However, fuel conditions per fire agencies reveal the overall fire weather threat will remain low to moderate. Given the low RH values each afternoon and breezy winds, people should exercise caution with any outdoor activities that could cause sparks or flames. Bottom line is that fire season was declared early this year, so these precautionary actions should already be in place, but its especially important when we have these elevated concerns. -Guerrero Marine Updated 200pm PDT Wednesday, May 20, 2026...A thermal trough will bring gusty north winds and steep to very steep seas over the coastal waters through Friday night. Winds will be strongest and seas will be highest during the afternoons/evenings. Through this stretch, very steep seas of 10-13 ft are most likely south of Cape Blanco with steep seas (6-9 ft) north of Cape Blanco. Gale force gusts (~40 kt) are possible across portions of the southern waters, especially from around Gold Beach south. The pattern will ease some this weekend as an upper trough pushes in from the NW. This should bring lighter winds and lower seas (still at least Small Craft Advisory), especially by Sunday. Could be a brief break Sunday night, but models continue to show another trough moving through on Monday (Memorial Day). The strength and timing of this trough are still somewhat uncertain, but it could bring periods of rain, gusty W winds that shift back to N and steep seas. This one should be followed by a larger WNW swell. -Spilde NOAA Medford OR Office: Watches - Warnings - Advisories OR...CA...None. PACIFIC COASTAL WATERS...Hazardous Seas Warning until 11pm PDT Friday for PZZ356-376. Small Craft Advisory until 11pm PDT Friday for PZZ350-370. |
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