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 07:03 AM and sunset is at 07:37 PM.
Days 1–3 Weather SummaryHeavy rain (total 47mm), heaviest during Mon night. Cool air temperatures (max 12°C on Sun morning, min 7°C on Tue night). Winds decreasing (strong winds from the SW on Mon night, light winds from the N by Tue night). | Days 4–6 Weather SummaryMostly dry. Cool air temperatures (max 12°C on Fri afternoon, min 6°C on Thu morning). Wind will be generally light. | Days 7–9 Weather SummaryMostly dry. Warm (max 22°C on Sun afternoon, min 10°C on Sat morning). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Very mild (max 19°C on Thu afternoon, min 11°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||||||||||||
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 | 2:15PM7.22ft | 2:08AM8.66ft | 3:11PM6.79ft | 2:47AM8.76ft | 4:11PM6.3ft | 3:30AM8.6ft | 5:16PM5.84ft | 6:31PM5.48ft | 5:17AM7.71ft | 7:54PM5.38ft | 6:27AM7.15ft | 9:11PM5.54ft | 7:45AM6.73ft | 10:10PM5.81ft | 9:01AM6.53ft | 10:54PM6.14ft | 10:08AM6.43ft | 11:28PM6.43ft | 11:04AM6.4ft | 11:56PM6.69ft | 11:54AM6.37ft | 00:21AM6.96ft | ||||||||||||||
Low Tide | 7:46AM-0.72ft | 7:45PM1.05ft | 8:35AM-1.15ft | 8:26PM1.74ft | 9:27AM-1.25ft | 9:09PM2.4ft | 10:23AM-1.12ft | 9:57PM3.02ft | 11:23AM-0.75ft | 10:57PM3.48ft | 12:31PM-0.39ft | 00:14AM3.77ft | 1:42PM-0.1ft | 1:44AM3.67ft | 2:50PM0.07ft | 3:06AM3.22ft | 3:48PM0.16ft | 4:10AM2.62ft | 4:35PM0.3ft | 5:01AM1.97ft | 5:14PM0.52ft | 5:44AM1.35ft | 5:49PM0.85ft | |||||||||||||
WSW 9 | WSW 8 | WSW 10 | WSW 10 | W 10 | W 12 | W 12 | W 11 | W 10 | WNW 9 | WNW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | W 12 | W 14 | W 15 | W 14 | W 14 | W 14 | W 13 | W 13 | W 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | W 10 | WSW 7 | W 13 | |
 |  |  |  | |  | | |  |  |  | |  | |  | | | | | | | | | | | | | | | | | | | | | | |
light rain | rain shwrs | mod rain | mod rain | rain shwrs | heavy rain | light rain | rain shwrs | some clouds | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | |
mph | ||||||||||||||||||||||||||||||||||||
0.08 | 0.1 | 0.4 | 0.2 | 0.2 | 0.6 | 0.2 | 0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°F | 54 | 54 | 50 | 46 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 50 | 48 | 52 | 54 | 48 | 59 | 61 | 55 | 70 | 72 | 55 | 63 | 59 | 55 | 61 | 61 | 54 | 57 | 57 | 54 | 64 | 66 | 59 |
Moonrise | 7:34 | — | — | 8:04 | — | — | 8:40 | — | — | 9:26 | — | — | 10:21 | — | — | 11:24 | — | — | 12:33 | — | — | 1:42 | — | — | 2:50 | — | — | — | 3:55 | — | — | 4:57 | — | — | 5:58 | — |
Moonset | — | — | 9:46 | — | — | 11:08 | — | — | — | 12:28 | — | — | 1:42 | — | — | 2:44 | — | — | 3:33 | — | — | 4:12 | — | — | 4:42 | — | — | 5:06 | — | — | 5:28 | — | — | 5:47 | — | — |
 | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — |
 | — | 7:37 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:43 | — | — | 7:44 | — | — | 7:45 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:49 | — | — | 7:50 | — |
Today's sea temperature in Mad River Slough, Arcata Bay, Humboldt Bay is 51 °F (Statistics for 30 Mar 1981-2005 – mean: 52 max: 56 min: 50°F) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in 2 hr 17 min 10 sUpdate imminent
Nearest