NATIONAL WEATHER SERVICE REPORT
Monday, October 20th, 2025
SYNOPSIS: Drying and warming weather today and Tuesday. A series of large swell will bring dangerous breaking waves along the west and northwest facing beaches this week. Confidence continues to increase for a moderate Atmospheric River (AR) impacting Northern California Friday into the weekend, bringing periods of heavy rainfall, high-elevation heavy snow, and strong south winds.
TODAY:
Inland: Sunny, with a high near 82. North wind 6 to 11 mph.
Along the Coast: Sunny, with a high near 62. Light north wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
TONIGHT:
Inland: Mostly clear, with a low around 47. North wind 5 to 10 mph becoming light and variable in the evening.
Along the Coast: Mostly clear, with a low around 48. North wind 5 to 7 mph becoming calm in the evening.
Extended Forecast: High pressure is settling over Northern California and the Pacific Northwest, bringing clear skies and dry weather. Overnight temperatures are a bit cooler than yesterday, with some pockets of frost around Hayfork and Highway 36. Monday and Tuesday will be sunny and warmer, with inland highs reaching the upper 70s to low 80s and lighter winds near the coast. By midweek, the weather pattern shifts—low clouds and fog will return as cooler marine air spreads inland, keeping temperatures near average. Toward Friday and the weekend, a strong storm system known as an atmospheric river is expected to bring heavy rain, mountain snow, and gusty winds, especially north of Cape Mendocino.
Predicted Temperatures
| Location | High Today | Low Tonight | HighTomorrow |
| Inland | 82 | 47 | 84 |
| Along The Coast | 62 | 48 | 69 |
The coastal waters forecast from Point Saint George to Cape Mendocino and out to 10 nautical miles.
SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
| Today | Wind | N 10 to 15 kt. |
| Waves | N 6 ft at 7 seconds and NW 14 ft at 14 seconds. | |
| Tonight | Wind | N 5 to 10 kt. |
| Waves | NW 5 ft at 7 seconds and NW 9 ft at 12 seconds. |
The coastal waters forecast from Cape Mendocino to Point Arena and out to 10 nautical miles.
SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON
| Today | Wind | N 15 to 20 kt, becoming NW 10 to 15 kt this afternoon. |
| Waves | N 8 ft at 7 seconds and NW 14 ft at 15 seconds. | |
| Tonight | Wind | N 5 to 10 kt. |
| Waves | N 6 ft at 7 seconds and NW 9 ft at 13 seconds. |
Lastly, here are the solar and lunar phases and tidal information : Today, Monday, October 20th, the sun rose in Shelter Cove at 7:33am and the sunset will be at 6:28pm, for a total of 11 hours and 2 minutes of sunlight. The first high tide will be at 11:05 am, at 6.1ft., and the next high tide at 11:57 pm, at 5.1ft. The next low tide will be at 5:42 pm, at .3ft. The waning crescent moon rose in the southeast at 6:49 am and will set in the southwest at 5:57 pm. According to the solunar theory, today is an excellent day for fishing, the fish activity forecast is very high.