Surf Forecasts:
Slip Point (Clallam Bay) surf forecast from 21 Aug 2026:
- Most powerful swell: Saturday 22 Aug, 5AM (local time) - 2.5ft (0.7m), 10s period, W swell with 88 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 10s and forecast to arrive on Saturday (Aug 22) at 5AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 9s period and expected on Friday (Aug 21) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Sat 22nd Aug) | 2.5ft (0.7m) 10s |
Table - best surf conditions forecast for Slip Point (Clallam Bay) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's coming our way.
Honestly, for the next week and a half, it's a bit of a bust. We've got a long, flat spell ahead. From now through to the morning of September 4th, there's just no surf worth paddling out for at Slip Point. The water is sitting at a very unusual 53°F, which is 6°F colder than normal for this time of year, so that's a shock to the system if you do go for a dip.
A glimmer of hope finally shows up on the morning of Friday, September 4th. We'll see a pulse of new swell arrive, coming from the WNW. The waves will be a small 3ft with a period of 8 seconds, and the combined swell energy will be moderate at (120). What really makes this a standout is the wind. We'll have a crisp ESE breeze blowing at 16 mph, which is clean offshore. Conditions will be clean right through into the afternoon, with the wind easing slightly but still holding offshore.
The following morning, Saturday, September 5th, the swell drops back to 2ft but the wind is still favorable. A moderate offshore breeze of 12 mph from the ESE will keep things clean. It's not big, but with that wind, it will be rideable.
Given the persistent onshore and cross-onshore winds we see for the rest of the period, that window on the 4th and 5th is your best bet. Stick to those early sessions. This is a place for advanced surfers on its best days, so beginners should steer clear even when it's small.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Sat afternoon. Warm (max 21°C on Fri morning, min 13°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Tue afternoon, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | W 9 | W 10 | W 9 | W 10 | W 9 | W 8 | W 8 | W 8 | SW 19 | SW 18 | SW 18 | W 5 | W 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | W 8 | W 7 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 87 | 67 | 56 | 50 | 0 | 0 | 0 | 0 | 0 | 19 | 38 | 0 | 0 | 0 | 0 | 0 | 32 | 38 | 0 |
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 | on | glassy | cross-off | on | glassy | cross-off | on | cross-on | cross-on | cross-on | glassy | on | on | cross-on |
High Tide | 7:51PM3.95m | 1:08PM3.36m | 8:55PM3.91m | 1:05PM3.41m | 9:59PM3.91m | 1:22PM3.45m | 10:55PM3.93m | 1:42PM3.48m | 11:45PM3.97m | 2:02PM3.54m | 00:31AM3.98m | 2:23PM3.63m | 1:15AM3.97m | ||||||||
Low Tide | 4:30AM2.06m | 1:47PM3.36m | 5:26AM1.94m | 3:47PM3.33m | 6:11AM1.81m | 4:56PM3.22m | 6:49AM1.71m | 5:50PM3.08m | 7:22AM1.65m | 6:40PM2.91m | 7:51AM1.65m | 7:29PM2.75m | |||||||||
 | |  |  | |  | |  |  | | | | | | |  | | |  | | | |
 | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — |
 | — | 8:20 | — | — | 8:17 | — | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — |
mm | — | — | — | 1 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | 2 |
Temp °C | 21 | 21 | 16 | 15 | 16 | 14 | 17 | 18 | 15 | 18 | 19 | 16 | 19 | 21 | 16 | 16 | 18 | 15 | 15 | 17 | 15 |
Feels °C | 21 | 21 | 15 | 15 | 15 | 13 | 16 | 16 | 15 | 18 | 18 | 16 | 18 | 20 | 15 | 15 | 16 | 14 | 16 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 10 | W 9 | W 10 | W 9 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 5 | W 7 | W 7 | W 7 | W 6 | W 7 | WSW 7 | W 8 | W 7 | W 6 |
| kJ | 106 | 120 | 87 | 67 | 56 | 50 | 32 | 31 | 29 | 17 | 17 | 19 | 38 | 36 | 43 | 41 | 34 | 16 | 32 | 38 | 19 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 19 | SW 18 | SW 18 | SW 18 | WSW 17 | SW 16 | WSW 15 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 52 | 51 | 50 | 27 | 27 | 27 | 27 | 17 | 55 | 48 | 79 | 79 | 109 | 125 | 71 | 59 | 58 | 49 | 51 | 48 | 46 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | SW 18 | SW 18 | SW 18 | SW 18 | WSW 16 | WSW 16 | SW 12 | SW 12 | SW 12 | SW 12 | W 10 | W 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 |
| kJ | 3 | 3 | 13 | 12 | 12 | 13 | 26 | 26 | 6 | 6 | 6 | 6 | 2 | 2 | 94 | 90 | 89 | 88 | 86 | 36 | 54 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 29 | 17 | 17 | 33 | 50 | 27 | 27 | 22 | 22 | 661 | 17 | 17 | 721 | 17 | 17 | 661 | 17 | 27 | 101 | 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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