Surf Forecasts:
Moonstone Beach surf forecast from 9 Jun 2026:
- Best quality surf: Thursday 11 Jun, 11PM (local time) - 10ft (3.0m), 9s period, NW swell with cross-offshore winds.
- Most powerful swell: Thursday 11 Jun, 8PM (local time) - 10ft (3.0m), 9s period, NW swell with 1,382 kJ wave energy.
- Next surfable swell (1★+): Tuesday 9 Jun, 11PM (local time) - 5ft (1.6m), 10s period with W swell.
Best Forecast Surf Conditions for Moonstone Beach this week:
The surf forecast for Moonstone Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 09) at 11PM. The primary swell is predicted to be 1.6m and 10s period with a secondary swell of 0.9m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Moonstone Beach in the next 16 days are 3.0m 9s and forecast to arrive on Thursday (Jun 11) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 20s period and expected on Tuesday (Jun 09) at 8PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 9th Jun) | 5ft (1.6m) 10s |
| Best Surf | 11PM (Thu 11th Jun) | 10ft (3.0m) 9s |
| Most Powerful | 8PM (Thu 11th Jun) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Moonstone Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Mon afternoon. Very mild (max 18°C on Thu morning, min 8°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Sat morning, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Mon 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 7 | W 9 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | NNW 7 | NNW 8 | NW 8 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SW 16 | SW 24 |
Wave Graph  | |||||||||||||||||||||
 kJ | 152 | 661 | 768 | 688 | 502 | 544 | 462 | 496 | 596 | 1225 | 1059 | 485 | 792 | 830 | 498 | 604 | 571 | 262 | 204 | 122 | 271 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross | cross-off | cross-on | cross | cross-off | cross | cross | cross-off | cross-on | cross-on | cross-off | cross-on | cross-on | glassy | on | on | glassy | cross-on |
High Tide | 6:50PM1.75m | 6:49AM1.30m | 7:28PM1.88m | 8:14AM1.30m | 8:09PM2.03m | 9:31AM1.37m | 8:52PM2.17m | 10:39AM1.47m | 9:38PM2.30m | 11:38AM1.57m | 10:26PM2.40m | 12:32PM1.65m | 11:16PM2.45m | 1:23PM1.70m | |||||||
Low Tide | 1:16AM0.58m | 12:42PM0.40m | 2:17AM0.31m | 1:34PM0.56m | 3:12AM0.03m | 2:28PM0.69m | 4:04AM-0.24m | 3:24PM0.80m | 4:54AM-0.46m | 4:20PM0.85m | 5:44AM-0.63m | 5:15PM0.87m | 6:34AM-0.72m | ||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 |
 | 8:45 | — | — | 8:46 | — | — | 8:47 | — | — | 8:47 | — | — | 8:49 | — | — | 8:49 | — | — | 8:49 | — | 8:50 |
mm | 10 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 12 | 14 | 15 | 12 | 18 | 20 | 15 | 20 | 19 | 15 | 23 | 21 | 16 | 20 | 19 | 16 | 18 |
Feels °C | 11 | 13 | 12 | 11 | 8 | 10 | 10 | 7 | 14 | 15 | 13 | 17 | 17 | 13 | 21 | 20 | 16 | 20 | 19 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 9 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 9 | NNW 8 | WNW 10 | SSW 16 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 |
| kJ | 152 | 661 | 768 | 688 | 502 | 544 | 391 | 496 | 136 | 169 | 1059 | 485 | 792 | 830 | 498 | 604 | 571 | 262 | 204 | 112 | 91 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SSW 21 | SSW 21 | SSW 20 | NNW 7 | SW 18 | SW 18 | WNW 9 | SSW 16 | W 13 | SW 16 | WNW 10 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | WNW 10 | W 10 | WNW 10 | W 9 |
| kJ | 130 | 305 | 297 | 336 | 54 | 319 | 316 | 466 | 171 | 14 | 118 | 115 | 103 | 102 | 46 | 44 | 44 | 31 | 52 | 54 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 24 | SW 14 | SW 14 | SW 14 | SW 19 | SW 13 | SW 13 | SW 17 | — | — | W 13 | SW 14 | SW 20 | SSW 19 | SSW 19 | SW 18 | SW 18 | SSW 16 | SSW 16 | SW 16 | SW 24 |
| kJ | 217 | 128 | 96 | 65 | 380 | 27 | 27 | 295 | — | — | 14 | 103 | 16 | 37 | 35 | 81 | 79 | 102 | 102 | 122 | 271 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNW 7 | — | NW 8 | NW 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 462 | — | 596 | 1225 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 156 | 42 | 145 | 489 | 0 | 369 | 488 | 0 | 113 | 113 | 0 | 231 | 112 | 0 | 251 | 112 | 0 | 5 | 84 | 0 | 83 |
Best forecast wave conditions in Humboldt County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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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