Surf Forecasts:
Slip Point (Clallam Bay) surf forecast from 17 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 8PM (local time) - 2.5ft (0.7m), 13s period, W swell with 161 kJ wave energy.
Best Forecast Surf Conditions for Slip Point (Clallam Bay) this week:
The most powerful waves expected at Slip Point (Clallam Bay) in the next 16 days are 0.7m 13s 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 12s period and expected on Wednesday (Aug 19) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Tue 18th Aug) | 2.5ft (0.7m) 13s |
Table - best surf conditions forecast for Slip Point (Clallam Bay) over the next 16 days.
The Lowdown
Alright, Rusty here. Let's chew the fat on what's coming.
Man, this is a tough one. We're looking at a real flat spell for the whole 16-day window. The swell machine is just snoozing. There's no standout, no big day to circle on the calendar. It's a long gap of nearly nothing, with a few tiny bumps that are more about getting a tan than getting a wave.
The first sign of something rideable doesn't show up until Tuesday, August 18th, and it's a real struggle. You've got a little W swell at 2ft pushing in during the afternoon, with a period of 13 seconds, so it's a long-period groundswell. The combined energy is only moderate at 125, so it's weak. The wind is onshore from the WNW at 6 mph, which is trashing it. It's still "poor surf conditions," so don't bother.
The next potential window is on Sunday, the 23rd of August. The morning shapes up clean with a light cross-offshore breeze from the ENE at 3 mph. The swell is a tiny 2ft from the W, but the period has dropped to 8 seconds, so it's a weak, short-period wind swell. The combined energy is a measly 64. It's clean, but there's just no push. The afternoon fades out.
After that, it's mostly glassy flatness. We get a few mornings like Tuesday the 25th with a 0.7ft WNW groundswell (period 10 seconds) and glassy conditions, but the energy is only 10. It's barely a ripple. Wednesday the 26th has a bit more energy at 2ft, but the wind is onshore and messy.
The only break to look at is Slip Point (Clallam Bay). It's a point break for advanced surfers, so it needs a decent swell to work, and it just isn't getting it. The optimum swell direction is from the WNW, and what little we get is from the W or WNW, so the angle is fine, but the size is the problem. The water temp is about normal for this time of year.
So here's the deal: there's nothing to recommend. There's a long, dry stretch from the start. If you're really jonesing, the best chance—and I'm being generous—is the morning of Sunday the 23rd of August. It'll be clean, with a tiny 2ft W wind swell, but it's a poor option. For the rest, you're better off doing something else. Forecasts can change, but right now, it's a hard pass.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Mon afternoon, min 12°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | SW 16 | SW 15 | SW 14 | W 7 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 8 | SW 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | glassy | on | cross-on | cross-off | on | glassy | cross-off | on | glassy | cross-off | on | cross-on | on | cross-on | glassy | cross-off | on | glassy |
High Tide | 5:08PM4.09m | 5:51AM3.35m | 5:39PM4.09m | 7:11AM3.20m | 6:13PM4.06m | 9:13AM3.16m | 6:56PM4.00m | 7:51PM3.95m | 1:08PM3.36m | 8:55PM3.91m | 1:05PM3.41m | 9:59PM3.91m | |||||||||
Low Tide | 10:31AM2.45m | 00:08AM2.28m | 10:48AM2.72m | 1:07AM2.25m | 11:04AM2.95m | 2:13AM2.22m | 11:13AM3.13m | 3:23AM2.16m | 4:30AM2.06m | 1:47PM3.36m | 5:26AM1.94m | 3:47PM3.33m | |||||||||
 | |  | | |  |  | | | | | | | | | | | | | | | |
 | 6:13 | — | — | 6:13 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | 8:27 | — | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:20 | — | — | 8:17 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 20 | 16 | 18 | 19 | 16 | 17 | 18 | 15 | 18 | 19 | 16 | 20 | 21 | 18 | 18 | 20 | 15 | 17 | 19 | 14 |
Feels °C | 17 | 19 | 15 | 18 | 18 | 15 | 17 | 17 | 15 | 17 | 19 | 16 | 20 | 21 | 17 | 17 | 18 | 13 | 17 | 18 | 14 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | W 7 | W 7 | W 7 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 8 | W 8 |
| kJ | 38 | 33 | 26 | 68 | 61 | 190 | 339 | 333 | 322 | 284 | 231 | 223 | 143 | 111 | 88 | 111 | 100 | 82 | 66 | 42 | 28 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 14 | W 14 | W 13 | W 6 | SW 13 | SW 14 | SW 13 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 19 |
| kJ | 118 | 76 | 73 | 62 | 125 | 19 | 46 | 29 | 27 | 62 | 60 | 53 | 53 | 51 | 50 | 27 | 27 | 27 | 27 | 17 | 55 |
Swell 3 Height (m) Direction Period (s) | — | W 13 | W 15 | SW 14 | SW 14 | SW 14 | SW 18 | SW 17 | SW 16 | — | W 15 | — | W 13 | W 13 | SW 18 | SW 17 | SW 18 | SW 18 | WSW 16 | WSW 16 | SW 12 |
| kJ | — | 3 | 5 | 73 | 73 | 66 | 13 | 44 | 40 | — | 4 | — | 3 | 3 | 13 | 12 | 12 | 13 | 26 | 26 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 27 | 244 | 17 | 17 | 17 | 14 | 1 | 151 | 1 | 1 | 74 | 1 | 1 | 53 | 17 | 17 | 918 | 17 | 17 | 27 | 22 |
Best forecast wave conditions in Washington State | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Slip Point (Clallam Bay) Surf forecast
The above surf forecast table for Slip Point (Clallam Bay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Slip Point (Clallam Bay) can be found by selecting the local surf guide option on the grey menu. Our Slip Point (Clallam Bay) 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 (Slip Point (Clallam Bay)) 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 Slip Point (Clallam Bay) 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.
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