Mad River Slough, Arcata Bay, Humboldt Bay Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 07:07 AM and sunset is at 07:36 PM.
Days 1–3 Weather SummaryModerate rain (total 15mm), heaviest on Fri morning. Cool air temperatures (max 12°C on Sun afternoon, min 6°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 36mm), heaviest during Mon morning. Cool air temperatures (max 11°C on Wed afternoon, min 4°C on Wed night). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 16mm), heaviest on Fri morning. Warm (max 20°C on Sat morning, min 5°C on Thu morning). Wind will be generally light. | Days 10–12 Weather SummaryHeavy rain (total 27mm), heaviest during Sun afternoon. Very mild (max 18°C on Sun morning, min 8°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 12:26PM2.32m | 00:58AM2.37m | 1:20PM2.29m | 1:32AM2.53m | 2:15PM2.20m | 2:08AM2.64m | 3:11PM2.07m | 2:47AM2.67m | 4:11PM1.92m | 3:30AM2.62m | 5:16PM1.78m | 6:31PM1.67m | 5:17AM2.35m | 7:54PM1.64m | 6:27AM2.18m | 9:11PM1.69m | 7:45AM2.05m | 10:10PM1.77m | 9:01AM1.99m | 10:54PM1.87m | 10:08AM1.96m | 11:28PM1.96m | ||||||||||||||
Low Tide | 6:09AM0.26m | 6:28PM-0.01m | 6:57AM-0.01m | 7:06PM0.13m | 7:46AM-0.22m | 7:45PM0.32m | 8:35AM-0.35m | 8:26PM0.53m | 9:27AM-0.38m | 9:09PM0.73m | 10:23AM-0.34m | 9:57PM0.92m | 11:23AM-0.23m | 10:57PM1.06m | 12:31PM-0.12m | 00:14AM1.15m | 1:42PM-0.03m | 1:44AM1.12m | 2:50PM0.02m | 3:06AM0.98m | 3:48PM0.05m | 4:10AM0.80m | 4:35PM0.09m | |||||||||||||
W 14 | W 13 | WNW 12 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WSW 8 | WSW 10 | W 9 | W 9 | W 10 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | W 8 | SW 8 | SSW 7 | WSW 8 | W 13 | W 12 | W 11 | WSW 10 | WSW 10 | W 12 | W 15 | W 13 | W 12 | WNW 11 | WNW 11 | WNW 11 | |
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rain shwrs | rain shwrs | rain shwrs | clear | some clouds | some clouds | cloudy | light rain | mod rain | mod rain | rain shwrs | rain shwrs | light rain | light rain | mod rain | some clouds | cloudy | clear | clear | some clouds | light rain | light rain | rain shwrs | some clouds | cloudy | light rain | light rain | light rain | heavy rain | rain shwrs | light rain | clear | clear | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
3 | 2.0 | 2.0 | — | — | — | — | 1.0 | 7 | 8 | 5 | 7 | 4 | 3 | 9 | — | — | — | — | — | 4 | 5 | 2.0 | — | — | 3 | 2.0 | 1.0 | 22 | 3 | 1.0 | — | — | — | — | — | |
max°C | 10 | 11 | 9 | 10 | 10 | 9 | 11 | 12 | 11 | 9 | 9 | 8 | 7 | 10 | 9 | 10 | 11 | 9 | 12 | 13 | 10 | 11 | 15 | 15 | 20 | 18 | 17 | 18 | 11 | 12 | 11 | 13 | 10 | 13 | 13 | 10 |
Moonrise | 6:43 | — | — | 7:07 | — | — | 7:34 | — | — | 8:04 | — | — | 8:40 | — | — | 9:26 | — | — | 10:21 | — | — | 11:24 | — | — | 12:33 | — | — | 1:42 | — | — | 2:50 | — | — | — | 3:55 | — |
Moonset | — | 7:07 | — | — | 8:25 | — | — | — | 9:46 | — | — | 11:08 | — | — | — | 12:28 | — | — | 1:42 | — | — | 2:44 | — | — | 3:33 | — | — | 4:12 | — | — | 4:42 | — | — | 5:06 | — | — |
 | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — |
 | — | 7:36 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:43 | — | — | 7:44 | — | — | 7:45 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — |
Today's sea temperature in Mad River Slough, Arcata Bay, Humboldt Bay is 11.2 °C (Statistics for 28 Mar 1981-2005 – mean: 11.2 max: 13.1 min: 9.8°C) | ||||||||||||||||||||||||||||||||||||
Nearest