Weather & Tide Report – November 20, 2024
WARNINGS:
A Flood Watch Warning is in effect from now until November 22, 10 pm.
SYNOPSIS: Strong winds and heavy rain from an atmospheric river are impacting the region, with gusts up to 80 mph reported overnight in some areas. Winds have eased slightly in Humboldt and Del Norte counties, but gusts of up to 45 mph will continue in higher elevations of Mendocino and Lake counties. Rain will persist through the day, with brief breaks in intensity possible later.
TODAY:
Inland: Rain. The rain could be heavy at times. High near 57. South wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Along the Coast: Rain, mainly before 1pm. High near 55. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
TONIGHT:
Inland: Rain. The rain could be heavy at times. Low around 46. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Along the Coast: Rain likely, mainly after 1am. Cloudy, with a low around 46. Southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Extended Forecast: The storm system will bring ongoing impacts through Friday, with strong winds and heavy rainfall continuing. A second storm will strengthen offshore Thursday, bringing even more intense rain and wind, particularly to South Humboldt and Mendocino counties. Rainfall totals could reach 4–8 inches in some areas by Friday, increasing the risk of life-threatening flash flooding, especially in already saturated locations. Main rivers, like the Eel River, are expected to reach moderate flood stage. In northeastern Trinity County, heavy snow will fall above 3,000 feet today, with treacherous conditions on highways. While rainfall is expected to ease into lighter showers by the weekend, saturated soils and swollen rivers will remain a concern. Stay alert for updates and warnings.
Predicted Temperatures
| Location | High Today | Low Tonight | HighTomorrow |
| Inland | 57 | 46 | 62 |
| Along The Coast | 55 | 46 | 60 |
The coastal waters forecast from Point Saint George to Cape Mendocino and out to 10 nautical miles.
A STORM WARNING WAS IN EFFECT UNTIL 3 AM EARLY THIS MORNING. A HAZARDOUS SEAS WARNING IS IN EFFECT THROUGH THIS EVENING.
| Today | Wind | South, 15 to 20 knots, easing to 10 to 15 knots this afternoon. |
|---|---|---|
| Waves | South, 11 feet at 9 seconds, and west, 16 feet at 13 seconds. Rain. | |
| Tonight | Wind | Southeast, 10 to 15 knots. |
| Waves | Southwest, 5 feet at 10 seconds, and west, 15 feet at 13 seconds. Rain. |
The coastal waters forecast from Cape Mendocino to Point Arena and out to 10 nautical miles.
A STORM WARNING WAS IN EFFECT UNTIL 7 AM THIS MORNING. A HAZARDOUS SEAS WARNING IS IN EFFECT THROUGH THIS EVENING.
| Today | Wind | South, 20 to 25 knots, with gusts up to 35 knots, easing to 15 to 20 knots this afternoon. |
| Waves | South, 14 feet at 11 seconds, and west at 15 feet at 13 seconds. Rain. | |
| Tonight | Wind | South, 25 to 30 knots with gusts up to 40 knots. |
| Waves | South, 9 feet at 10 seconds, and northwest, 14 feet at 14 seconds. Rain. |
Here are the tides for Shelter Cove:
Tides: The next high tide of the day will be at 1:30 pm at 6.1 feet, receding to the low tide at 9:06 pm at minus 0.4 feet. The 1st high tide tomorrow will be at 4:27 am at 4.8 feet. The 1st low tide tomorrow will be at 8:59 am at 3.7 feet.
There will be a total of 9 hours and 47 minutes of daylight today. Sunrise today was at 7:08 am, sunset this evening will be at 4:55 pm. Sunrise tomorrow will be at 7:09 am.
The waning gibbous moon will set at 12:09 pm today and will rise at 9:42 pm this evening.
