Surf Forecasts:
Slip Point (Clallam Bay) surf forecast from 19 Aug 2026:
- Most powerful swell: Sunday 23 Aug, 8AM (local time) - 2.5ft (0.7m), 8s period, W swell with 55 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 8s 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 1.1m 12s period and expected on Wednesday (Aug 19) at 2PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Sun 23rd Aug) | 2.5ft (0.7m) 8s |
Table - best surf conditions forecast for Slip Point (Clallam Bay) over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s break it down for the next couple of weeks. Right off the bat, we’ve got a long, dry spell. For the better part of the next week and a half, the ocean is flat or just plain ugly. From Wednesday the 19th right through to the morning of Sunday the 30th of August, that’s a solid 11-day gap with no surf at all. It’s a rough stretch, so if you’re desperate for a wave, maybe take up fishing for a bit.
The only real light at the end of the tunnel shows up on Monday the 31st of August. Slip Point (Clallam Bay) finally gets a pulse of groundswell. We’re talking about a 3ft swell out of the WNW with a very long period of 13 seconds. That’s proper energy, with combined swell energy hitting 277. This is a point break, and a long-period groundswell like that is exactly what it’s built for – it should shape up nicely with some real grunt. The wind is a bit messy that morning though, with a light cross-onshore bringing some bumps. It’s not perfect, but it’s the best we’ve got in weeks. The water temp is about average for this time of year, nothing unusual.
Then on Tuesday the 1st of September, the morning is where it’s at. The swell drops to about 2ft from the west, the period drops to 8 seconds, but the wind goes glassy. Clean, surfable waves with combined swell energy at 119 – moderate energy, but clean glass. That’s the real standout of the whole outlook. For a short window, Slip Point might actually be worth the drive.
After that, it fizzles again. The mornings of Wednesday the 2nd and Thursday the 3rd see clean conditions and light offshore winds, but the swell is tiny – just 2ft with weak energy. Too small to do much with.
So to sum it up: it’s a dry spell until the very end of August. The one and only highlight is the last day of the month into the 1st of September, with the best chance being a glassy Tuesday morning session. Don’t get your hopes up for anything else.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Fri afternoon, min 12°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sat morning. Warm (max 21°C on Mon afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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) | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 9 | W 8 | W 8 | W 7 | W 7 | W 8 | WNW 8 | W 7 | W 7 | W 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 20 | 34 | 34 | 33 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | on | glassy | cross-on | on | glassy | glassy | on | cross-on | on | cross-on | glassy | on | on | glassy | cross-off | on | cross-on |
High Tide | 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 | 1:22PM3.45m | 10:55PM3.93m | ||||||||
Low Tide | 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 | 6:11AM1.81m | 4:56PM3.22m | ||||||||
 | | |  |  | | | | |  |  | | | | | | | | | |
 | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — |
 | 8:25 | — | 8:23 | — | — | 8:22 | — | — | 8:20 | — | — | 8:17 | — | — | 8:15 | — | — | 8:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 18 | 15 | 18 | 19 | 15 | 19 | 20 | 18 | 16 | 19 | 16 | 17 | 19 | 14 | 19 | 21 | 17 |
Feels °C | 14 | 17 | 17 | 15 | 18 | 18 | 14 | 19 | 20 | 17 | 16 | 18 | 14 | 17 | 18 | 13 | 18 | 20 | 17 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 9 | W 8 | W 8 | W 7 | W 7 | W 8 | WNW 8 | W 7 | W 7 | W 6 |
| kJ | 190 | 280 | 333 | 266 | 279 | 227 | 184 | 120 | 120 | 106 | 113 | 105 | 64 | 51 | 46 | 20 | 34 | 34 | 33 |
Swell 2 Height (m) Direction Period (s) | 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 | W 5 | SW 18 | SW 18 | SW 18 |
| kJ | 19 | 46 | 29 | 27 | 62 | 82 | 53 | 52 | 51 | 50 | 27 | 27 | 27 | 27 | 17 | 4 | 48 | 79 | 150 |
Swell 3 Height (m) Direction Period (s) | 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 19 | SW 12 | W 10 | W 10 |
| kJ | 66 | 13 | 44 | 40 | — | 4 | — | 3 | 3 | 13 | 12 | 12 | 13 | 26 | 26 | 55 | 6 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 14 | 1 | 50 | 1 | 14 | 29 | 1 | 17 | 661 | 17 | 17 | 17 | 17 | 17 | 722 | 22 | 22 | 661 | 17 |
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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