Wednesday, December 17th, 2025
SYNOPSIS: Moderate to locally heavy rain into Wednesday morning for mostly Del Norte, Humboldt, Trinity and northern Mendocino Counties. Lingering showers expected Wednesday and Thursday. Moderate to heavy rain and breezy southerly winds arrive again Thursday through Friday. More rain and strong gusty winds will be possible this weekend.
TODAY:
Inland: mostly cloudy early, then becoming sunny, with a high near 59.
Along the Coast: 20% chance of rain between 1pm and 4pm. Mostly cloudy early, then becoming sunny, with a high near 57.
TONIGHT:
Inland: A 40 percent chance of rain, mainly after 10pm. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Along the Coast: Mostly cloudy with a 40 percent chance of rain after 7pm.
Predicted Temperatures
| Location | High Today | Low Tonight | HighTomorrow |
| Inland | 59 | 43 | 59 |
| Along The Coast | 57 | 51 | 57 |
The coastal waters forecast from Point Saint George to Cape Mendocino and out to 10 nautical miles.
SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING
| Today | Wind | N 5 to 10 kt. |
| Waves | SW 6 ft at 6 seconds and W 9 ft at 12 seconds. A slight chance of rain. | |
| Tonight | Wind | SE 10 to 15 kt. |
| Waves | W 10 ft at 11 seconds. Rain likely. |
The coastal waters forecast from Cape Mendocino to Point Arena and out to 10 nautical miles.
| Today | Wind | NW 5 to 10 kt. |
| Waves | SW 4 ft at 5 seconds and W 8 ft at 12 seconds. A slight chance of. | |
| Tonight | Wind | E 5 to 10 kt. |
| Waves | W 9 ft at 11 seconds. A chance of rain. |
Lastly, here are the solar and lunar phases and tidal information :
Today Wednesday, 17th of December of 2025, the sun rose in Shelter Cove at 7:32am and sunset will be at 4:53pm, for a total of 9 hours and 20 minutes of sunlight.
The next LOW tide will be at 4:26pm, at -0.1ft, and the following HIGH tide will be at 10:55pm at 4.6ft.
Today the waning crescent moon rose in the southeast at 5:42 am and will set in the southwest at 2:53 pm.According to the solunar theory, today is a good day for fishing, the fish activity forecast is high.