Point Grenville to Cape Shoalwater WA out 10 to 60 NM Marine Forecast
| Today...Ne Wind 5 To 10 Kt. Seas 5 To 6 Ft. Wave Detail: Sw 3 Ft At 10 Seconds And W 5 Ft At 15 Seconds. |
| Tonight...E Wind 5 To 10 Kt. Seas 5 To 6 Ft. Wave Detail: Sw 3 Ft At 10 Seconds And W 5 Ft At 14 Seconds. |
| Wed...Ne Wind Around 5 Kt. Seas 4 To 5 Ft. Wave Detail: Sw 3 Ft At 11 Seconds And W 4 Ft At 12 Seconds. |
| Wed Night...N Wind 5 To 10 Kt. Seas 4 To 5 Ft. Wave Detail: Sw 3 Ft At 11 Seconds And W 4 Ft At 14 Seconds. |
| Thu...N Wind 5 To 10 Kt. Seas Around 5 Ft. Wave Detail: Nw 2 Ft At 4 Seconds, W 5 Ft At 15 Seconds And Sw 3 Ft At 17 Seconds. |
| Thu Night...N Wind 5 To 10 Kt. Seas Around 5 Ft. Wave Detail: Nw 2 Ft At 5 Seconds And W 5 Ft At 14 Seconds. |
| Fri...E Wind 5 To 10 Kt. Seas 5 To 6 Ft. Wave Detail: Nw 2 Ft At 5 Seconds And W 6 Ft At 15 Seconds. |
| Fri Night...E Wind 5 To 10 Kt. Seas Around 6 Ft. Wave Detail: W 6 Ft At 14 Seconds. |
| Sat...E Wind 5 To 10 Kt. Seas 5 To 6 Ft. Wave Detail: W 6 Ft At 13 Seconds And Sw 3 Ft At 14 Seconds. |
| Sat Night...Ne Wind 5 To 10 Kt, Veering To E After Midnight. Seas 4 To 5 Ft. Wave Detail: W 4 Ft At 12 Seconds. A Chance Of Rain In The Evening, Then Rain Likely After Midnight. |
| Area Forecast Discussion National Weather Service Seattle WA 1011am PST Tuesday Jan 20 2026 Synopsis A strong upper level ridge continues to bring dry conditions over western washington. A weak system will pass through on Thursday for increased clod cover. Ridging will rebuild on Friday and into the weekend for continuation of dry conditions. Short Term - Today through Thursday Upper level ridging continues over the area for the continuation of dry conditions across western Washington. Recent satellite imagery shows fog development across much of the interior this morning, especially in the South and Central sound areas. Areas of freezing fog is also very possible early this morning as temperatures will likely trend below freezing, more notably in the South Sound. High temperatures this afternoon will reach somewhere in the mid to upper 40s. Persistence will continue into Wednesday with another round of fog coverage in the morning and high temperatures in the mid 40s. Overnight lows will be in the low to mid 30s across much of interior, with areas in the south sound seeing overnight lows in the upper 20s. A weak system will cross over the area late Wednesday into Thursday with a chance of Probability of Precipitation over the coast, but latest ensembles have really weakened this system, so could really see another dry day as this system may not amount too much. Long Term - Thursday Night Through Monday A ridge looks to rebuild Friday and through Saturday which could promote another round of dry conditions across the area. Some of the ensembles point out a weak system that could produce light Probability of Precipitation Sunday into Monday. For now kept slight chance of Probability of Precipitation of the forecast due to forecast uncertainty. The way the forecast has been trending would not be surprised if these days also turn out to be dry as well. Mazurkiewicz Marine High pressure will persist over the coastal waters through midweek, with a thermal trough situated along the coast. This will continue to promote offshore flow through at least Wednesday. Easterly winds may become breezy at times, mainly along the central and western Strait of Juan de Fuca and along the adjacent northern coastal waters zone, but primarily look to remain below Small Craft criteria at this time. A weak system may move into the area waters Thursday into early Friday, which will briefly weaken the offshore flow. High pressure then looks to build back into the area waters Friday night into Saturday, before another system approaches the area waters on Sunday. Seas will hover between 4-6 ft through much of the week. Fog will be possible across the interior waters this morning and may bring visibilities down to 1 nautical mile or less at times. 14 NOAA Seattle WA Office: Watches - Warnings - Advisories WA...None. PZ...None. |
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