Weather & Tides-Sept. 3, 2025

NATIONAL WEATHER SERVICE REPORT 

Wednesday, September 3rd, 2025

SYNOPSIS: Isolated dry thunderstorms inland remain possible through early tomorrow morning. One last day of hot temperatures likely for the interior. Stratus likely for the coastal areas with marginal short-lived clearing. Another upper level low/trough will bring a slight chance of showers, perhaps some thunderstorms, across the northern portions of the area Thursday and Friday.

TODAY: 

Inland: Sunny, with a high near 92. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

Along the Coast: Mostly cloudy, with a high near 65. West northwest wind 3 to 7 mph.

TONIGHT:  

Inland: Mostly clear, with a low around 55. Light north wind. 

Along the Coast: Mostly cloudy, with a low around 56. West northwest wind around 5 mph becoming calm in the evening. 

Extended Forecast: A few thunderstorms could linger over far northeast Trinity County early this morning, with any that form capable of producing strong, gusty winds up to 40–60 mph. The storm activity will fade as the system moves north, and coastal areas may see some midday or afternoon clearing. By Thursday and Friday, another weather system will approach, bringing slightly cooler temperatures and a small chance (10–20%) of showers, mainly in Del Norte and northern Trinity counties. More noticeable cooling arrives Friday and Saturday, with inland highs dropping into the 80s and coastal highs in the mid-60s as clouds clear out more during the day.

Predicted Temperatures

Location	High Today	Low Tonight	HighTomorrow
Inland	92	55	90
Along The Coast	65	56	66

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

Today	Wind	NW 5 to 10 kt.
	Waves	NW 4 ft at 5 seconds and S 1 foot at 14 seconds. Patchy dense fog.
Tonight	Wind	W 5 to 10 kt.
	Waves	NW 4 ft at 5 seconds and NW 2 ft at 14 seconds. Patchy dense fog.

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

Today	Wind	NW 10 to 15 kt.
	Waves	N 5 ft at 5 seconds and S 2 ft at 15 seconds. Patchy dense fog.
Tonight	Wind	NW 10 to 15 kt.
	Waves	N 5 ft at 6 seconds and NW 2 ft at 15 seconds. Patchy dense fog.

Lastly, here are the solar and lunar phases and tidal information : Today, Wednesday, September 3rd, the sun rose in Shelter Cove at 6:46am and the sunset will be at 7:43pm, for a total of 12 hours and 56 minutes of sunlight. The next high tide at 8:25 pm, at 5.9ft. The next low tide will be at 2:26 pm,  at 3.4ft. The waxing gibbous moon set at 1:55 am in the southwest. Eventually, the moon will rise again in the southeast at 5:47 pm. According to the solunar theory, today is an average day for fishing, the fish activity forecast is average. Please let our office know if you have first hand experience with the catch today! Email: UDW@kmud.org.