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Surf Forecasts:
The Dump surfForecast / Washington / USA
16 Day Weather and Surf, issued 10 pm Saturday 28 Mar 2026 PDTForecast update in hr min s Forecast update imminent
The Dump surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Dump sea temperature is
9.1° C
(Which is normal for this time of year)Best Forecast Surf Conditions for The Dump this week:
The surf forecast for The Dump over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 30) at 8AM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.4m and 14s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The Dump in the next 16 days are 2.3m 12s and forecast to arrive on Thursday (Apr 02) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Apr 01) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 30th Mar) | 4.5ft (1.3m) 8s |
| Best Surf | 11PM (Thu 2nd Apr) | 7ft (2.1m) 11s |
| Most Powerful | 11AM (Thu 2nd Apr) | 7.5ft (2.3m) 12s |
Table - best surf conditions forecast for The Dump over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 3mm), mostly falling on Sun morning. Mild temperatures (max 7°C on Mon afternoon, min 3°C on Sun night). Mainly fresh winds. | Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Wed morning. Mild temperatures (max 9°C on Fri afternoon, min 4°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 7 | 8 | 14 | 13 | 13 | 12 | 11 | 10 | 10 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 7 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 142 | 63 | 95 | 602 | 131 | 157 | 58 | 55 | 66 | 240 | 449 | 561 | 296 | 1591 | 1244 | 958 | 461 | 241 | 219 | 114 | 49 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | off | off | cross- off | off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | off | off | cross- on | glass | cross- off | on | |
High Tide / height (m) | 11:34PM 1.99 | 10:51AM 2.26 | 12:07AM 2.15 | 11:49AM 2.26 | 12:37AM 2.30 | 12:39PM 2.25 | 1:05AM 2.40 | 1:25PM 2.21 | 1:31AM 2.47 | 2:08PM 2.15 | 1:56AM 2.50 | 2:50PM 2.06 | 2:21AM 2.49 | 3:32PM 1.95 | ||||||||
Low Tide / height (m) | 5:14AM 1.02 | 5:41PM 0.01 | 6:07AM 0.73 | 6:21PM 0.10 | 6:51AM 0.47 | 6:56PM 0.23 | 7:31AM 0.24 | 7:27PM 0.39 | 8:08AM 0.08 | 7:55PM 0.56 | 8:44AM -0.02 | 8:20PM 0.73 | 9:20AM -0.06 | |||||||||
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | ||||||||||||||||
| Sunrise | - | 7:03 | - | - | 7:01 | - | - | 6:58 | - | - | 6:56 | - | - | 6:54 | - | - | 6:52 | - | - | 6:50 | - | |
| Sunset | - | - | 7:44 | - | - | 7:45 | - | - | 7:46 | - | - | 7:47 | - | - | 7:50 | - | - | 7:51 | - | - | 7:52 | |
 |  |  |  |  |  |  |  | |  |  | | | | | | | | | | | ||
Rain (mm) | - | 2 | 1 | - | - | - | - | - | - | 3 | 8 | 7 | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 6 | 4 | 6 | 6 | 5 | 7 | 6 | 6 | 7 | 6 | 5 | 7 | 7 | 7 | 8 | 7 | 8 | 9 | 8 | 8 | 9 | |
| Feels °C (?) | 2 | 1 | -2 | -1 | 1 | 3 | 2 | 1 | 3 | 2 | -2 | 2 | 5 | 3 | 5 | 4 | 5 | 7 | 5 | 5 | 7 | |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Dump surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the The Dump Surf forecast
The above surf forecast table for The Dump provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Dump can be found by selecting the local surf guide option on the grey menu. Our The Dump 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 (The Dump) 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 The Dump 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.
The Dump is 83 km (52 miles) from Duncan. If you plan a vacation in Washington State, look for hotels and other accommodation in Duncan. Duncan has rooms for a wide range of budgets as well as car hire and transport links.
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