Surf Forecasts:
Caspar Creek surf forecast from 18 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 8PM (local time) - 6ft (1.8m), 7s period, NW swell with glassy winds.
- Most powerful swell: Sunday 23 Aug, 8AM (local time) - 6ft (1.8m), 9s period, NW swell with 513 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 8AM (local time) - 5ft (1.5m), 7s 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 (Aug 18) at 8AM. The primary swell is predicted to be 1.5m and 7s period. 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 1.8m 9s and forecast to arrive on Sunday (Aug 23) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 15s period and expected on Tuesday (Aug 18) at 2PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 18th Aug) | 5ft (1.5m) 7s |
| Best Surf | 8PM (Tue 18th Aug) | 6ft (1.8m) 7s |
| Most Powerful | 8AM (Sun 23rd Aug) | 6ft (1.8m) 9s |
Table - best surf conditions forecast for Caspar Creek over the next 16 days.
The Lowdown
Alright folks, Rusty here, let's get the lowdown on Caspar Creek for the next couple of weeks.
Honestly, it's a bit of a rough run for most of the period. The surf is there, but the wind is just not playing ball. We've got a long stretch of persistent cross-onshore winds that are going to keep things choppy and messy. You're looking at a solid week and a half of pretty average conditions.
Starting Monday the 17th into the following week, we have waist to chest high swell from the NW, with the combined energy reading 186 on Monday afternoon, building up quickly. But that light to moderate cross-onshore wind is the killer. It's going to be bumpy and hard to find a decent face. Tuesday the 18th and Wednesday the 19th see the swell push up a bit more with the combined energy getting into the moderate to strong range (239–663), but with that same cross-onshore wind, it’s going to be a real struggle.
We get a bit of a drop-off into the weekend, but the onshore flow doesn't let up. Even into the tail end of the following week, from the 27th of August onward, the wind actually picks up. Thursday the 27th afternoon we've got a fresh breeze at 19 mph cross-on, making things lumpy with the swell at 8 ft. That's expert territory, but the chop makes it a real test of patience. Honestly, for a lot of this, the setup looks more interesting for kite surfing than paddle surfing.
Now, if you can hold out, there's a real glimmer on Monday the 31st of August. That afternoon we get a pulse of chest-to-head-high swell, 8 ft from the NW with a combined energy of 623. The wind goes glassy—completely calm. That's a rare and beautiful thing. It’s still a short period at 7 seconds, but with those conditions, Caspar Creek will be clean and offering up some fun little walls. That is the standout of the whole outlook.
The following day, Tuesday the 1st of September, we have some life left in the swell, 6 ft from the NW and combined energy of 594, but the wind swings back onshore. It's marginal at best.
So, in short: it's a long wait with a lot of chop, but that one glassy session on the 31st is your ticket. For all other days, it's a solid *maybe* if you're desperate.
- Rusty
Short Range ForecastMostly dry. Very mild (max 14°C on Mon afternoon, min 11°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Sun morning, min 12°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 7 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | SW 18 | NW 6 | NW 7 | NW 7 | NW 8 | NW 9 | NW 9 | NW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 147 | 151 | 239 | 336 | 344 | 435 | 435 | 271 | 237 | 173 | 136 | 117 | 112 | 136 | 164 | 392 | 458 | 486 | 427 | 239 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | glassy | on | cross-on | glassy |
High Tide | 3:15PM1.76m | 4:04AM1.28m | 3:55PM1.73m | 5:28AM1.15m | 4:40PM1.69m | 7:12AM1.12m | 5:35PM1.66m | 8:47AM1.16m | 6:36PM1.66m | 9:47AM1.22m | 7:38PM1.69m | 10:24AM1.27m | 8:32PM1.75m | |||||||
Low Tide | 9:56PM0.35m | 9:21AM0.67m | 11:02PM0.33m | 10:01AM0.85m | 00:14AM0.30m | 10:54AM0.98m | 1:24AM0.25m | 12:08PM1.06m | 2:26AM0.18m | 1:26PM1.07m | 3:16AM0.11m | 2:29PM1.03m | 3:57AM0.05m | |||||||
 |  | | | |  | | | | |  | | |  | | | | | | | |
 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — |
 | 8:07 | — | — | 8:07 | — | — | 8:05 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 | — | — | 8:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 13 | 13 | 13 | 14 | 14 | 12 | 14 | 14 | 12 | 14 | 13 | 12 | 14 | 14 | 13 | 15 | 14 | 12 |
Feels °C | 12 | 11 | 12 | 10 | 13 | 12 | 11 | 11 | 12 | 12 | 11 | 12 | 10 | 10 | 11 | 11 | 13 | 14 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | SSW 13 | SSW 13 | NW 8 | NW 9 | NW 9 | NW 8 |
| kJ | 147 | 151 | 239 | 353 | 291 | 305 | 309 | 196 | 237 | 173 | 133 | 117 | 112 | 80 | 99 | 67 | 458 | 486 | 427 | 239 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | WNW 15 | WNW 13 | WNW 12 | WNW 12 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | WNW 10 | SW 18 | SSW 12 | SW 19 | SW 18 | S 16 |
| kJ | 334 | 268 | 239 | 84 | 102 | 172 | 210 | 314 | 220 | 226 | 236 | 156 | 101 | 99 | 57 | 49 | 30 | 130 | 117 | 122 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 8 | SSW 18 | S 10 | SSW 13 | SW 20 | SW 21 | W 21 | SW 19 | SW 19 | WNW 14 | SW 18 | SW 18 | SW 18 | SSW 16 | WNW 12 | SSW 16 | SSW 15 | SSW 16 | SW 18 |
| kJ | 39 | 35 | 62 | 2 | 65 | 16 | 18 | 9 | 55 | 58 | 21 | 51 | 111 | 48 | 53 | 29 | 81 | 77 | 83 | 155 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 7 | NW 7 | NW 8 | NW 8 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | NW 6 | NW 7 | NW 7 | — | — | — | — |
| kJ | — | — | — | 336 | 344 | 435 | 435 | 271 | 116 | 124 | 136 | 87 | 60 | 136 | 164 | 392 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 270 | 7 | 190 | 32 | 7 | 167 | 52 | 7 | 136 | 75 | 12 | 209 | 75 | 6 | 167 | 23 | 0 | 167 | 75 | 0 |
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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