Surf Forecasts:
Winchesteer Bay/Umpqua Jetty surf forecast from 18 Jul 2026:
- Best quality surf: Saturday 18 Jul, 5AM (local time) - 2.5ft (0.8m), 16s period, WNW swell with cross-offshore winds.
- Most powerful swell: Monday 20 Jul, 2AM (local time) - 6.5ft (2.0m), 8s period, NW swell with 470 kJ wave energy.
- Next surfable swell (1★+): Saturday 18 Jul, 2AM (local time) - 2.5ft (0.7m), 16s period with WNW swell.
Best Forecast Surf Conditions for Winchesteer Bay/Umpqua Jetty this week:
The surf forecast for Winchesteer Bay/Umpqua Jetty over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 18) at 2AM. The primary swell is predicted to be 0.7m and 16s period with a secondary swell of 0.8m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Winchesteer Bay/Umpqua Jetty in the next 16 days are 2.0m 8s and forecast to arrive on Monday (Jul 20) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 18th Jul) | 2.5ft (0.7m) 16s |
| Best Surf | 5AM (Sat 18th Jul) | 2.5ft (0.8m) 16s |
| Most Powerful | 2AM (Mon 20th Jul) | 6.5ft (2.0m) 8s |
Table - best surf conditions forecast for Winchesteer Bay/Umpqua Jetty over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 16°C on Fri afternoon, min 12°C on Fri night). Winds increasing (light winds from the NNE on Fri night, fresh winds from the N by Sun afternoon). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Wed morning. Very mild (max 19°C on Wed afternoon, min 14°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||
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) | WNW 16 | WNW 16 | WNW 16 | WNW 16 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 346 | 263 | 329 | 250 | 246 | 277 | 429 | 470 | 355 | 284 | 239 | 161 | 161 | 177 | 257 | 180 | 145 | 304 | 304 | 311 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | glassy | cross-on | cross-on | cross-off | cross | cross | cross-on | cross-on | on | glassy |
High Tide | 3:50PM1.96m | 3:23AM1.98m | 4:30PM1.99m | 4:18AM1.75m | 5:11PM1.99m | 5:18AM1.53m | 5:52PM1.98m | 6:28AM1.36m | 6:36PM1.96m | 7:50AM1.26m | 7:23PM1.93m | 9:19AM1.25m | 8:15PM1.92m | |||||||
Low Tide | 9:27PM0.46m | 9:48AM-0.23m | 10:24PM0.41m | 10:29AM0.03m | 11:24PM0.37m | 11:10AM0.31m | 00:27AM0.33m | 11:54AM0.58m | 1:33AM0.27m | 12:45PM0.81m | 2:39AM0.20m | 1:46PM0.98m | 3:39AM0.11m | |||||||
 |  | | | | |  |  |  | | | | |  |  | | |  | | | |
 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | 8:53 | — | — | 8:53 | — | — | 8:52 | — | — | 8:52 | — | — | 8:51 | — | — | 8:50 | — | — | 8:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 1 | — | — |
Temp °C | 16 | 15 | 16 | 16 | 14 | 16 | 15 | 14 | 16 | 17 | 15 | 16 | 17 | 16 | 18 | 19 | 16 | 15 | 16 | 15 |
Feels °C | 12 | 13 | 12 | 11 | 9 | 11 | 9 | 10 | 14 | 15 | 14 | 17 | 16 | 15 | 17 | 17 | 16 | 15 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 16 | WNW 11 | NW 10 | WNW 10 | NW 7 | WNW 14 | WNW 14 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 |
| kJ | 346 | 154 | 292 | 120 | 221 | 165 | 163 | 470 | 355 | 284 | 239 | 161 | 161 | 177 | 257 | 180 | 145 | 304 | 304 | 311 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WSW 13 | SW 16 | WNW 14 | WNW 14 | WNW 13 | SW 16 | SW 16 | SW 16 | SW 14 | SW 14 | WNW 10 | NW 10 | SW 14 | SW 14 | SW 14 |
| kJ | 36 | 263 | 329 | 250 | 246 | 17 | 63 | 160 | 104 | 57 | 88 | 88 | 85 | 73 | 73 | 69 | 98 | 29 | 49 | 30 |
Swell 3 Height (m) Direction Period (s) | NW 12 | NW 7 | SW 14 | SW 17 | SW 18 | WSW 16 | W 20 | SW 17 | SW 16 | SW 16 | WNW 13 | WNW 13 | WNW 12 | SW 21 | SW 21 | SW 14 | SW 14 | WSW 19 | WSW 18 | WSW 26 |
| kJ | 69 | 51 | 53 | 77 | 83 | 25 | 7 | 147 | 68 | 40 | 56 | 55 | 29 | 18 | 17 | 73 | 46 | 36 | 32 | 66 |
Wind waves Height (m) Direction Period (s) | NW 7 | — | — | NW 6 | — | NW 7 | NW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 49 | — | — | 129 | — | 277 | 429 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 360 | 67 | 211 | 211 | 151 | 364 | 211 | 120 | 151 | 151 | 120 | 151 | 151 | 120 | 120 | 210 | 120 | 210 | 151 | 120 |
Best forecast wave conditions in South Oregon | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Winchesteer Bay/Umpqua Jetty Surf forecast
The above surf forecast table for Winchesteer Bay/Umpqua Jetty provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Winchesteer Bay/Umpqua Jetty can be found by selecting the local surf guide option on the grey menu. Our Winchesteer Bay/Umpqua Jetty 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 (Winchesteer Bay/Umpqua Jetty) 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 Winchesteer Bay/Umpqua Jetty 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.
Are you planning a vacation in South Oregon? If you are looking for accommodation near Winchesteer Bay/Umpqua Jetty, camping, hotels and condos and appartments in South Oregon, consider staying in Coos Bay which is 33 km (20 miles) away. Alternatively, find information about places to stay and car hire in Roseburg which is 86 km (53 miles) away
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