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Moonstone Beach Surf Forecast
/ CAL – Humboldt (25 breaks) / California (404 breaks) /
Moonstone Beach surfForecast / CAL – Humboldt / USA
12 Day Weather and Surf, issued 4 am Saturday 29 Mar 2025 PDT
Best Forecast Surf Conditions for Moonstone Beach this week:
The surf forecast for Moonstone Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 29) at 8AM. The primary swell is predicted to be 3.0m and 11s period with a secondary swell of 0.6m and 18s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Moonstone Beach in the next 12 days are 5.0m 12s and forecast to arrive on Tuesday (Apr 01) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Sunday (Mar 30) at 2PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sat 29th Mar) | 10ft (3.0m) 11s |
| Best Surf | 2AM (Tue 1st Apr) | 13ft (4.0m) 11s |
| Most Powerful | 8AM (Tue 1st Apr) | 16ft (5.0m) 12s |
Table - best surf conditions forecast for Moonstone Beach over the next 12 days.
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | |||||||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 10 | 9 | 16 | 10 | 10 | 10 | 11 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 7 | 10 | 10 | 13 | 12 | 12 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 1512 | 1012 | 600 | 199 | 125 | 825 | 922 | 1320 | 3763 | 5977 | 3573 | 1685 | 768 | 446 | 228 | 171 | 140 | 160 | 113 | 113 | 112 | 82 | 68 | 52 | 158 | 311 | 987 | 1031 | 1382 | 622 | 504 | 294 | 556 | 394 | 443 | 232 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | glass | cross- off | cross- on | cross | cross- on | cross- on | cross | cross- on | on | glass | cross | cross- on | off | cross | cross- on | off | cross | cross- on | off | glass | cross- on | off | glass | glass | glass | cross- on | cross- on | off | glass | cross- on | cross- off | cross- on | cross- on | glass |
High Tide / height (m) | 12:23PM 2.02 | 12:32AM 2.25 | 1:16PM 1.96 | 1:08AM 2.33 | 2:12PM 1.86 | 1:47AM 2.34 | 3:11PM 1.73 | 2:29AM 2.29 | 4:16PM 1.60 | 3:18AM 2.17 | 5:32PM 1.50 | 4:16AM 2.01 | 6:56PM 1.46 | 5:29AM 1.85 | 8:13PM 1.50 | 6:52AM 1.74 | 9:12PM 1.57 | 8:12AM 1.70 | 9:55PM 1.65 | 9:19AM 1.69 | 10:30PM 1.73 | 10:14AM 1.69 | 10:59PM 1.81 | |||||||||||||
Low Tide / height (m) | 6:21PM 0.11 | 6:59AM -0.23 | 6:59PM 0.29 | 7:48AM -0.34 | 7:40PM 0.48 | 8:40AM -0.37 | 8:23PM 0.68 | 9:35AM -0.31 | 9:12PM 0.85 | 10:37AM -0.20 | 10:13PM 0.99 | 11:47AM -0.09 | 11:33PM 1.06 | 1:02PM -0.01 | 1:09AM 1.02 | 2:11PM 0.03 | 2:32AM 0.89 | 3:09PM 0.05 | 3:35AM 0.72 | 3:55PM 0.08 | 4:23AM 0.53 | 4:34PM 0.14 | ||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | |||||||||||||||||||||||||
| Sunrise | 7:05 | - | - | 7:03 | - | - | 7:01 | - | - | 7:00 | - | - | 6:58 | - | - | 6:56 | - | - | 6:54 | - | - | 6:52 | - | - | 6:52 | - | - | 6:50 | - | - | 6:48 | - | - | 6:47 | - | - |
| Sunset | - | 7:37 | - | - | 7:37 | - | - | 7:39 | - | - | 7:40 | - | - | 7:42 | - | - | 7:43 | - | - | 7:44 | - | - | 7:45 | - | - | 7:45 | - | - | 7:46 | - | - | 7:47 | - | - | 7:49 | - |
 |  |  |  |  |  |  | |  | | |  | | |  |  | | | | | | | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | 6 | 2 | 12 | 5 | 7 | 10 | 10 | 8 | 5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 9 | 9 | 13 | 10 | 9 | 9 | 8 | 9 | 9 | 9 | 10 | 11 | 8 | 9 | 11 | 8 | 10 | 12 | 9 | 15 | 16 | 13 | 18 | 18 | 15 | 16 | 14 | 11 | 13 | 13 | 10 | 13 | 14 | 11 |
| Feels °C (?) | 9 | 6 | 8 | 4 | 7 | 5 | 4 | 3 | 4 | 2 | 3 | 4 | 6 | 6 | 4 | 5 | 6 | 3 | 7 | 8 | 7 | 13 | 14 | 11 | 16 | 16 | 13 | 14 | 12 | 9 | 12 | 9 | 8 | 11 | 11 | 11 |
Short Range Forecast: Heavy rain (total 42mm), heaviest during Sun night. Very mild (max 13°C on Sun afternoon, min 6°C on Sat morning). Winds increasing (calm on Sat morning, fresh winds from the S by Mon night). | Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Tue morning. Very mild (max 11°C on Wed afternoon, min 4°C on Thu night). Winds decreasing (fresh winds from the SW on Tue morning, calm by Tue night). | Days 6-9 Weather Summary Mostly dry. Very mild (max 18°C on Sun morning, min 4°C on Fri morning). Wind will be generally light. | Long Range Forecast: Mostly dry. Very mild (max 16°C on Mon morning, min 9°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Moonstone Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Moonstone Beach Surf forecast
The above surf forecast table for Moonstone Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Moonstone Beach can be found by selecting the local surf guide option on the grey menu. Our Moonstone Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Moonstone Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Moonstone Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Moonstone Beach is 10 km (6 miles) from McKinleyville. If you plan a vacation in Humboldt County, look for hotels and other accommodation in McKinleyville. McKinleyville has rooms for a wide range of budgets as well as car hire and transport links.
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