Weather & Tides-Sept.24, 2025

NATIONAL WEATHER SERVICE REPORT 

Wednesday, September 24th, 2025

SYNOPSIS: Isolated light showers will be possible for southern Lake and southern Mendocino Counties Wednesday. Otherwise, dry and stable weather with an increase in coastal fog and stratus is expected for the rest of this week. Additional troughs may yield some rain late in the weekend, with increasing chances through early next week.

TODAY: 

Inland: Sunny, with a high near 91. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

Along the Coast: Partly sunny, with a high near 68. West wind around 6 mph.

TONIGHT:  

Inland: Mostly clear, with a low around 54. South southwest wind around 5 mph becoming calm in the evening. 

Along the Coast: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 55. West southwest wind around 6 mph becoming calm.

Extended Forecast: A low-pressure system is moving slowly up the Central California coast, bringing some lightning offshore and a small chance of showers or isolated thunderstorms into southern Lake and Mendocino counties. Most areas will stay dry, but stronger showers could bring gusty winds. Fog is likely overnight in coastal valleys and bays where moisture is trapped, especially near Humboldt Bay. Looking ahead, temperatures stay a bit above normal midweek, and rain chances increase late Sunday into Monday, though the amount of rainfall is still uncertain.

Predicted Temperatures

Location	High Today	Low Tonight	HighTomorrow
Inland	91	54	91
Along The Coast	68	56	64

The coastal waters forecast from Point Saint George to Cape Mendocino and out to 10 nautical miles.

SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING

Today	Wind	W 5 kt, backing to S 10 to 15 kt this afternoon.
	Waves	NW 2 ft at 6 seconds and NW 5 ft at 10 seconds. Patchy dense fog this morning.
Tonight	Wind	W 5 to 10 kt.
	Waves	NW 6 ft at 9 seconds. Patchy fog.

The coastal waters forecast from Cape Mendocino to Point Arena and out to 10 nautical miles. 

SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING

Today	Wind	S 10 to 15 kt.
	Waves	NW 2 ft at 5 seconds and NW 5 ft at 11 seconds. Patchy dense fog this morning.
Tonight	Wind	E 5 kt.
	Waves	NW 5 ft at 10 seconds and SW 2 ft at 15 seconds. Patchy fog.

Lastly, here are the solar and lunar phases and tidal information : Today, Wednesday, September 24th, the sun rose in Shelter Cove at 7:08am and the sunset will be at 7:06pm, for a total of 12 hours of sunlight. The next high tide will be at 1:11 pm, at 5.8ft.  The next low tide will be at 7:50 pm, at 0.5ft. The waxing crescent moon will rise in the southeast at 10:00 am and will set in the southwest at 8:16 pm. According to the solunar theory, today is a good day for fishing, the fish activity forecast is high.