```html

Pacific West Coast USA Marine Report

Wednesday, May 13, 2026 | 10:36 AM MST
Today across the Pacific West Coast, a weak weather system is crossing northern waters while building high pressure impacts the California coast. Along the Washington and Oregon shorelines, temperatures are holding in the mid-50s with southwest winds increasing to 15-20 knots this afternoon. Further south near San Diego, conditions remain mostly sunny with a high near 68°F and light diurnal winds.

Offshore marine conditions feature a mix of swell energy. Buoy 46013 off Bodega Bay and Buoy 46014 off Point Arena report a primary west swell of 5 to 7 feet at 12 seconds, accompanied by a secondary northwest wind swell of 2 to 4 feet at 6 seconds. Average wave sizes across the region range from 4 to 6 feet, with significantly larger, steeper seas building toward 8 feet in Northern California zones due to strengthening northerly flow.

Tidal cycles for the region show a high tide at San Diego of 4.2 feet at 7:23 AM followed by a low tide of 0.9 feet at 1:08 PM, with a secondary peak of 5.9 feet arriving at 7:31 PM. Northern regions near Pacific, Washington, saw sunrise at 5:32 AM and expect sunset at 8:37 PM, while Southern California anticipates total darkness following an 8:06 PM nautical twilight.

Tomorrow's outlook suggests a continuation of onshore flow in the north with a slight chance of showers. In Central and Northern California, a Small Craft Advisory remains in effect as northwest winds are expected to gust up to 30 knots, further building seas toward 9 feet by Friday morning.
```