Surf Forecasts:
Caspar Creek surf forecast from 15 Sep 2026:
- Best quality surf: Monday 21 Sep, 8AM (local time) - 8ft (2.5m), 9s period, NW swell with glassy winds.
- Most powerful swell: Monday 21 Sep, 8PM (local time) - 10ft (3.0m), 9s period, NW swell with 1,509 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 8AM (local time) - 6.5ft (2.0m), 8s period with NW swell.
Best Forecast Surf Conditions for Caspar Creek this week:
The surf forecast for Caspar Creek over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 15) at 8AM. The primary swell is predicted to be 2.0m and 8s period with a secondary swell of 0.5m and 17s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Caspar Creek in the next 16 days are 3.0m 9s and forecast to arrive on Monday (Sep 21) 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 0.7m 17s period and expected on Wednesday (Sep 16) at 5PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 15th Sep) | 6.5ft (2.0m) 8s |
| Best Surf | 8AM (Mon 21st Sep) | 8ft (2.5m) 9s |
| Most Powerful | 8PM (Mon 21st Sep) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Caspar Creek over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on the table for Caspar Creek.
Well, honestly, it's a pretty grim outlook across the board. Right from the get-go we've got a cross-onshore wind chopping up a powerful 10ft NW swell on Monday the 14th. That's a lot of energy – the combined swell energy is a hefty 1435 – but the wind is just ruining it. You'd be battling a messy, blown-out lineup. This pattern of choppy, onshore wind and poor surf quality hangs around for days. Tuesday the 15th is poor, Wednesday is poor, and the whole first week just looks like a write-off. We even get a 19-second groundswell on Friday the 18th, but it's tiny at 2ft and still cross-onshore. Zero quality to work with there.
The following week doesn't get much better, to be honest. There's a pulse of bigger NW swell around Monday the 21st and Tuesday the 22nd, with energy readings over 1800 and 1285, but again, it's all described as marginal at best with that same cross-onshore wind. It's frustrating because the size and energy are there, but the conditions just won't cooperate. The water temp is sitting at 58°, which is about average for the time of year.
Honestly, if you look at the whole 16-day run, there isn't a single standout session. The wind is almost always cross-onshore, and even when the swell has some push, the quality is consistently described as poor or marginal. Given the consistent beach-and-reef setup here with all this onshore wind and significant swell, this setup frankly looks more interesting for a kite surfer than for a paddle surfer. A real bummer of a forecast, but it won't stay this way forever. Forecasts can change.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Thu morning, min 12°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Thu afternoon, min 12°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | NW 8 | NW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1163 | 627 | 517 | 634 | 706 | 447 | 424 | 433 | 351 | 277 | 219 | 303 | 303 | 236 | 255 | 375 | 375 | 379 | 657 | 728 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | on | cross-on | cross | cross-on | cross-on | cross-off | cross-on | on | cross | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 2:52AM1.38m | 2:13PM1.76m | 3:57AM1.26m | 2:51PM1.69m | 5:18AM1.19m | 3:36PM1.62m | 6:54AM1.18m | 4:37PM1.56m | 8:13AM1.22m | 5:50PM1.53m | 9:01AM1.27m | 7:03PM1.56m | ||||||||
Low Tide | 8:25PM0.14m | 8:00AM0.73m | 9:16PM0.17m | 8:36AM0.88m | 10:15PM0.21m | 9:19AM1.00m | 11:22PM0.25m | 10:22AM1.09m | 00:33AM0.25m | 11:52AM1.11m | 1:37AM0.23m | 1:15PM1.06m | 2:29AM0.18m | |||||||
 |  | | | | | |  |  | | | | | | | | | | | | |
 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — |
 | 7:24 | — | — | 7:23 | — | — | 7:22 | — | — | 7:21 | — | — | 7:19 | — | — | 7:16 | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 13 | 15 | 15 | 13 | 14 | 14 | 13 | 16 | 15 | 13 | 15 | 14 | 12 | 14 | 14 | 13 | 14 | 14 | 13 |
Feels °C | 11 | 10 | 14 | 13 | 11 | 12 | 12 | 13 | 15 | 14 | 13 | 14 | 12 | 10 | 13 | 11 | 11 | 12 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | NW 8 | SW 16 | SW 16 | SW 16 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 | NW 8 | SW 19 | NW 8 | SW 18 | SW 18 | SW 18 | SW 18 | SW 19 | SW 18 |
| kJ | 106 | 106 | 517 | 122 | 87 | 121 | 424 | 433 | 351 | 277 | 219 | 177 | 303 | 67 | 255 | 375 | 375 | 379 | 414 | 366 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 16 | NW 13 | NW 12 | NW 12 | SSW 17 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SW 19 | S 15 | SW 19 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 12 |
| kJ | 82 | 39 | 130 | 44 | 37 | 37 | 255 | 103 | 198 | 198 | 126 | 303 | 109 | 236 | 101 | 69 | 58 | 51 | 30 | 26 |
Swell 3 Height (m) Direction Period (s) | WNW 15 | WNW 14 | WNW 13 | SW 12 | SSW 20 | S 19 | NW 11 | SW 14 | SW 21 | SW 21 | SW 21 | SSW 15 | WSW 13 | SSW 14 | NW 11 | S 10 | S 10 | S 9 | S 9 | SW 12 |
| kJ | 84 | 21 | 69 | 23 | 75 | 118 | 33 | 71 | 160 | 160 | 160 | 167 | 18 | 105 | 29 | 17 | 17 | 7 | 6 | 5 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | — | NW 8 | NW 8 | NW 8 | — | — | — | — | — | — | NW 8 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 8 | NW 8 |
| kJ | 1163 | 627 | — | 634 | 706 | 447 | — | — | — | — | — | — | 250 | 93 | 119 | 161 | 248 | 344 | 657 | 728 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 310 | 7 | 118 | 75 | 7 | 270 | 32 | 0 | 43 | 6 | 7 | 167 | 75 | 0 | 190 | 270 | 7 | 136 | 312 | 7 |
Best forecast wave conditions in Mendocino County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Caspar Creek Surf forecast
The above surf forecast table for Caspar Creek provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Caspar Creek can be found by selecting the local surf guide option on the grey menu. Our Caspar Creek 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 (Caspar Creek) 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 Caspar Creek 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.
Caspar Creek is 58 km (36 miles) from Ukiah. If you plan a vacation in Mendocino County, look for hotels and other accommodation in Ukiah. Ukiah has rooms for a wide range of budgets as well as car hire and transport links.
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