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Big Lagoon surfForecast / CAL – Humboldt / USA
48hr Weather and Surf, issued 10 pm Wednesday 30 Jul 2025 PDT
How big are the waves at Big Lagoon today?
The current surf forecast for Big Lagoon at 2AM is: 1.5m 7s primary swell from a Northwest direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 10:00pm July 30). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 1.5ft (0.4m) | 17s |
| Afternoon (31 Jul) | 1.5ft (0.5m) | 18s |
| Evening (31 Jul) | 3.5ft (1.0m) | 6s |
Table - waves today at Big Lagoon. (Swell directed towards the surf break)
Wed 30 | Thursday 31 | Friday 01 | Saturday 02 | |||||||||||||||||||||
| 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 6 | 17 | 18 | 18 | 18 | 18 | 6 | 6 | 6 | 16 | 16 | 16 | 16 | 6 | 6 | 16 | 16 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 318 | 303 | 290 | 217 | 167 | 206 | 243 | 261 | 216 | 156 | 142 | 114 | 145 | 164 | 203 | 185 | 187 | 216 | 170 | 117 | 99 | 170 | 153 | 189 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | off | glass | glass | on | on | on | cross- on | glass | glass | glass | glass | on | on | cross- on | glass | glass | glass | glass | glass | on | on | on |
High Tide / height (m) | 4:52AM 1.86 | 5:05PM 2.39 | 6:09AM 1.74 | 5:45PM 2.37 | 7:44AM 1.69 | |||||||||||||||||||
Low Tide / height (m) | 11:06PM 1.03 | 10:26AM 1.14 | 12:08AM 0.97 | 11:02AM 1.33 | 1:14AM 0.90 | 11:48AM 1.49 | ||||||||||||||||||
Wed 30 | Thursday 31 | Friday 01 | Saturday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - |
| Sunset | 8:35 | - | - | - | - | - | - | - | 8:34 | - | - | - | - | - | - | - | 8:32 | - | - | - | - | - | - | - |
 |  | |  |  | | |  | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 13 | 14 | 14 | 15 | 17 | 17 | 16 | 14 | 13 | 13 | 13 | 15 | 17 | 17 | 17 | 15 | 14 | 14 | 14 | 15 | 17 | 17 | 17 |
| Feels °C (?) | 16 | 13 | 14 | 14 | 15 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 16 | 16 | 16 | 16 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - Humboldt
Continuing clean conditions at Big Lagoon (light winds from the SSW at Arcata/Eureka Airport 20 km from Big Lagoon). 0.8m 7s swell from the NW with a 0.3m 12s groundswell from the WSW and a 0.2m 14s groundswell from the SW. 3 swells combining to make bigger set waves.
20 km away, 59 min ago
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