Surf Forecasts:
Slip Point (Clallam Bay) surf forecast from 11 Sep 2026:
- Best quality surf: Friday 11 Sep, 5PM (local time) - 2.5ft (0.7m), 9s period, W swell with glassy winds.
- Most powerful swell: Friday 11 Sep, 11PM (local time) - 2.5ft (0.7m), 10s period, W swell with 108 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 5PM (local time) - 2.5ft (0.7m), 9s period with W swell.
Best Forecast Surf Conditions for Slip Point (Clallam Bay) this week:
The surf forecast for Slip Point (Clallam Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 5PM. The primary swell is predicted to be 0.7m and 9s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Slip Point (Clallam Bay) in the next 16 days are 0.7m 10s and forecast to arrive on Friday (Sep 11) at 11PM. 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 8s period and expected on Sunday (Sep 13) at 5PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Fri 11th Sep) | 2.5ft (0.7m) 9s |
| Best Surf | 5PM (Fri 11th Sep) | 2.5ft (0.7m) 9s |
| Most Powerful | 11PM (Fri 11th Sep) | 2.5ft (0.7m) 10s |
Table - best surf conditions forecast for Slip Point (Clallam Bay) over the next 16 days.
The Lowdown
Hey, it’s Rusty checkin’ in from Slip Point. I’ll level with you—this forecast is a rough one for the next couple weeks. Water temp is about 53°F, which is a solid 5°F colder than usual for September, so you’ll want a thick suit.
The first chance to even surf is Friday afternoon, the 11th. Swell’s just 2ft from the west with a 9-second period, and the energy is weak (103). But the wind goes glassy, so at least it’ll be clean. Saturday morning, the 12th, is similar: 2ft west swell, 10-second period, energy down to 70. A light cross-off from the east keeps it clean but it’s really nothing special.
From Saturday afternoon, the 12th, through Thursday the 17th, it’s a long stretch of poor conditions. Swell stays small, winds get messy, and there’s just no quality to chase. After that, from the 18th of September through the end of the period on the 26th, it’s totally flat. Most days show zero wave energy, even if the wind is sometimes calm or clean.
There is no true standout here. If you’re desperate, Friday the 11th afternoon offers the only clean, glassy window, but it’s tiny. This is one of those blank runs that’s pretty normal for this spot when the swell goes quiet.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Wed afternoon, min 10°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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 17 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 | WNW 8 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 79 | 96 | 70 | 68 | 59 | 76 | 0 | 0 | 54 | 41 | 29 | 29 | 37 | 54 | 57 | 41 | 29 | 19 | 17 | 10 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | off | cross-off | cross-on | cross-on | cross | cross-on | cross | glassy | on | cross | glassy | cross-off | glassy | cross-off | cross-off | off | cross-off | cross-off | off |
High Tide | 2:19PM4.04m | 2:12AM4.01m | 2:44PM4.13m | 3:02AM3.88m | 3:08PM4.19m | 3:53AM3.74m | 3:32PM4.22m | 4:46AM3.60m | 3:58PM4.21m | 5:47AM3.49m | 4:26PM4.17m | 7:03AM3.40m | 5:01PM4.09m | ||||||||
Low Tide | 8:05AM1.92m | 8:26PM2.31m | 8:35AM2.14m | 9:12PM2.16m | 9:00AM2.40m | 9:56PM2.07m | 9:20AM2.66m | 10:41PM2.05m | 9:38AM2.90m | 11:27PM2.08m | 9:58AM3.10m | 00:17AM2.14m | 10:19AM3.26m | 1:15AM2.21m | |||||||
 | |  | | | |  |  |  | | | | | | | | | | | | | |
 | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — |
 | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 13 | 16 | 17 | 15 | 16 | 18 | 14 | 14 | 16 | 13 | 16 | 16 | 13 | 16 | 18 | 15 | 18 | 21 | 18 |
Feels °C | 14 | 15 | 13 | 14 | 16 | 13 | 14 | 15 | 13 | 14 | 14 | 11 | 15 | 14 | 13 | 14 | 16 | 15 | 15 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 | WNW 8 | WNW 7 | WNW 7 |
| kJ | 122 | 79 | 96 | 70 | 68 | 59 | 76 | 89 | 88 | 54 | 41 | 29 | 29 | 37 | 54 | 57 | 41 | 29 | 19 | 17 | 10 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 17 | SW 15 | SW 15 | SW 16 | SW 16 | W 9 | SW 14 | W 8 |
| kJ | 135 | 127 | 157 | 137 | 134 | 95 | 100 | 71 | 63 | 62 | 27 | 27 | 27 | 46 | 37 | 37 | 38 | 38 | 7 | 30 | 6 |
Swell 3 Height (m) Direction Period (s) | W 12 | WNW 11 | SW 11 | SW 10 | SW 9 | SW 8 | SW 21 | SW 20 | W 15 | SW 19 | WSW 18 | WSW 17 | SW 17 | SW 12 | SW 12 | WSW 12 | WSW 12 | W 10 | WSW 13 | W 10 | WSW 14 |
| kJ | 11 | 24 | 5 | 4 | 3 | 3 | 17 | 15 | 4 | 14 | 31 | 29 | 46 | 24 | 23 | 14 | 14 | 8 | 18 | 7 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 0 | 0 | 0 | 151 | 17 | 17 | 1270 | 17 | 17 | 131 | 22 | 17 | 17 | 17 | 22 | 22 | 22 | 31 | 27 | 31 |
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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