Surf Forecasts:
Caspar Creek surf forecast from 13 Aug 2026:
- Best quality surf: Thursday 13 Aug, 8AM (local time) - 6.5ft (2.0m), 8s period, NW swell with glassy winds.
- Most powerful swell: Tuesday 18 Aug, 8PM (local time) - 8ft (2.4m), 7s period, NW swell with 540 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 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 Thursday (Aug 13) at 8AM. The primary swell is predicted to be 2.0m and 8s period with a secondary swell of 0.6m and 16s. 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 2.4m 7s and forecast to arrive on Tuesday (Aug 18) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 16s period and expected on Sunday (Aug 16) at 2AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 13th Aug) | 6.5ft (2.0m) 8s |
| Best Surf | 8AM (Thu 13th Aug) | 6.5ft (2.0m) 8s |
| Most Powerful | 8PM (Tue 18th Aug) | 8ft (2.4m) 7s |
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 cookin’ over at Caspar Creek.
Honestly, mate, this is a tough run. We’ve got a solid 16-day window ahead but it’s looking like a whole lot of "no-go" for paddle surfing. The pattern is dominated by a persistent cross-onshore wind from the northwest, which is just wrecking any chance of clean waves. It’s a long, frustrating gap of poor conditions right from the start, so don’t get your hopes up for anything decent.
Kicking off on Thursday, August 13, we see a bit of swell pushing 6 ft from the NW with a moderate energy (703), but that WSW wind at 6 mph being "on" is not helping. The real killer is the constant cross-onshore flow, which just makes everything choppy and messy. This trend sticks around day after day, with the swell size bouncing around but the wind always ruining it. It’s heartbreaking, because by Tuesday, August 18, we’ve got a 10 ft swell with strong energy (881), but it’s all cross-onshore chop - that’s more of a kite session than anything you’d want to paddle into. If you’re an expert, anything over 8 ft is your territory anyway, but the wind just makes it ugly.
There’s a tiny flicker of hope on the morning of Sunday, August 23. We get a 6 ft NW swell, energy is moderate (646), and the wind swings to the WNW at 6 mph, which is "on" for a moment. It’s still marginal with questionable tides, but that’s the closest thing to a clean window we get. But it’s fleeting, and by the afternoon, the cross-onshore crap is back.
The rest of the run into late August just keeps serving up the same story: moderate to strong NW swells, all with that cross-onshore wind. The water temp anomaly doesn't even get a mention in the data, so it’s just about average for the time of year at Caspar Creek, but you won’t care about the temp when the waves are blown out.
There’s no standout here, no secret gem. Just a long, drawn-out run of poor surf. For a spot that’s usually consistent and sheltered from the NW, this is a cruel stretch. Keep the board in the car, but don’t bother waxing it up. Way too much wind for clean lines.
- Rusty
Short Range ForecastMostly dry. Very mild (max 14°C on Thu morning, min 12°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Sun morning, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
AM | 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 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 7 | NW 7 | WNW 12 | NW 7 | NW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 470 | 393 | 311 | 184 | 123 | 119 | 77 | 67 | 90 | 58 | 80 | 221 | 195 | 253 | 183 | 202 | 410 | 321 | 217 | 355 | 237 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 12:53PM1.65m | 00:17AM2.02m | 1:28PM1.71m | 1:07AM1.86m | 2:03PM1.76m | 2:00AM1.66m | 2:39PM1.77m | 2:57AM1.45m | 3:15PM1.76m | 4:04AM1.28m | 3:55PM1.73m | 5:28AM1.15m | 4:40PM1.69m | ||||||||
Low Tide | 6:13PM0.55m | 6:58AM-0.16m | 7:06PM0.47m | 7:34AM0.03m | 8:00PM0.41m | 8:10AM0.24m | 8:56PM0.37m | 8:45AM0.46m | 9:56PM0.35m | 9:21AM0.67m | 11:02PM0.33m | 10:01AM0.85m | 00:14AM0.30m | ||||||||
 | |  | | | |  | |  | |  | | | | | | | | | | | |
 | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — |
 | — | 8:13 | — | — | 8:12 | — | — | 8:10 | — | — | 8:08 | — | — | 8:07 | — | — | 8:07 | — | — | 8:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 13 | 14 | 12 | 13 | 13 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 14 | 12 |
Feels °C | 13 | 12 | 13 | 12 | 13 | 11 | 12 | 11 | 11 | 13 | 12 | 13 | 10 | 10 | 11 | 9 | 9 | 9 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | SSW 17 | SSW 16 | NW 6 | SSW 16 | SSW 16 | NW 7 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 15 | WNW 13 | WNW 12 |
| kJ | 470 | 393 | 311 | 184 | 123 | 119 | 615 | 499 | 90 | 612 | 463 | 221 | 334 | 334 | 268 | 239 | 353 | 291 | 242 | 231 | 237 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SSW 14 | SSW 18 | NW 7 | WNW 11 | SSW 16 | NW 6 | WNW 9 | SSW 15 | S 11 | WNW 9 | W 8 | SSW 18 | WNW 15 | WNW 13 | WNW 12 | SSW 15 | SSW 15 |
| kJ | 203 | 251 | 245 | 226 | 138 | 360 | 77 | 37 | 627 | 58 | 29 | 405 | 9 | 25 | 45 | 63 | 42 | 102 | 217 | 309 | 252 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 12 | SSW 20 | SSW 20 | SSW 19 | SW 14 | WNW 10 | WNW 8 | WNW 10 | WNW 10 | S 11 | S 11 | NW 12 | WNW 12 | SSW 18 | WNW 15 | S 10 | SSW 13 | SW 20 | SW 21 | W 21 |
| kJ | 30 | 29 | 82 | 149 | 205 | 214 | 35 | 13 | 34 | 32 | 22 | 9 | 6 | 15 | 62 | 22 | 2 | 65 | 16 | 18 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 7 | — | — | NW 6 | — | NW 7 | NW 7 | NW 6 | NW 6 | NW 7 | NW 7 | NW 6 | NW 7 | NW 7 |
| kJ | — | — | — | — | — | — | — | 67 | — | — | 80 | — | 195 | 253 | 183 | 202 | 410 | 321 | 141 | 355 | 233 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 92 | 311 | 0 | 92 | 312 | 0 | 209 | 75 | 0 | 162 | 52 | 7 | 167 | 75 | 7 | 136 | 311 | 7 | 136 | 270 |
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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