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 1.2m 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 | 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 have a look at what’s cookin’ for Slip Point over the next couple of weeks.
I gotta be straight with you, folks – it’s a grim picture. We’re looking at a long, dry stretch with barely a ripple worth paddling for. The first solid sign of any surf doesn't even pop up until Tuesday afternoon, August 18th, and even then it’s just a weak 2ft west swell with a 13-second period. The combined wave energy is a measly 125 (moderate energy). It’s not going to blow your mind, and the wind is onshore from the northwest, so it won’t be pretty. The water is a chilly 53°, which is a whopping 6° colder than normal for this time of year – that’s very unusual, so you’ll want a thick suit and booties.
The real story here is the gap. From now until that Tuesday, it’s flat. Then after that tiny blip, we go right back to nothing. We get another tease on the morning of Saturday August 22nd with a 2ft west swell and a 9-second period, but it’s cross-on from the WNW and the energy is weak at 87. Still poor.
Honestly, the whole 16-day run is a bust. Every single entry says “poor surf conditions” with a score of zero. There are a few mornings with glassy or clean conditions, like Tuesday August 18th morning, Sunday August 23rd morning, and Monday August 24th afternoon, but there’s simply no swell to go with them. We see a little bump on the 25th and 26th of August with tiny 1ft to 1ft WNW swells and very weak energy (21-48), but it’s nothing to get excited about. By the 29th and 30th, it’s back to near-flat, short-period dribble.
Slip Point (Clallam Bay) is a point break that’s fairly exposed to the swell and prefers a WNW direction, but without any decent energy pushing through, it’s a total write-off. There are no standouts here. Not a single day offers anything close to a recommendable surf. If you’re itching for a paddle, you might find a tiny ripple on the 25th or 30th of August, but that’s about it.
Keep the board in the van, lads. Forecasts can change, but right now, this is as blank as it gets.
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 9 | W 10 | W 10 | W 9 | W 8 | W 9 | W 8 | W 8 | SW 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 87 | 0 | 0 | 0 | 0 | 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 | cross-on | cross-off | cross-on | glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | 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 | 15 | 16 | 16 | 15 | 18 | 19 | 15 | 20 | 21 | 17 | 17 | 19 | 15 | 16 | 18 | 15 |
Feels °C | 17 | 19 | 15 | 18 | 18 | 14 | 15 | 15 | 15 | 18 | 19 | 15 | 19 | 19 | 17 | 15 | 17 | 13 | 16 | 17 | 15 |
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 9 | W 10 | W 10 | W 9 | W 8 | W 9 | W 8 | W 8 | W 7 |
| kJ | 38 | 47 | 27 | 68 | 61 | 190 | 339 | 327 | 322 | 274 | 227 | 181 | 103 | 117 | 115 | 87 | 92 | 71 | 46 | 42 | 26 |
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 | 29 | 46 | 29 | 27 | 62 | 59 | 53 | 52 | 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 18 | 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 | 29 | 17 | 17 | 17 | 14 | 1 | 151 | 14 | 1 | 27 | 1 | 17 | 17 | 17 | 17 | 17 | 17 | 22 | 896 | 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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