Surf Forecasts:
Ditch Plains surf forecast from 15 Sep 2026:
- Best quality surf: Sunday 20 Sep, 8PM (local time) - 5ft (1.6m), 7s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 20 Sep, 5PM (local time) - 6ft (1.9m), 6s period, SSW swell with 280 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 8AM (local time) - 2ft (0.6m), 5s period with SW swell.
Best Forecast Surf Conditions for Ditch Plains this week:
The surf forecast for Ditch Plains over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 8AM. The primary swell is predicted to be 0.6m and 5s period with a secondary swell of 0.3m and 7s. Another secondary swell of 0.2m and 12s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ditch Plains in the next 16 days are 1.9m 6s and forecast to arrive on Sunday (Sep 20) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Sep 21) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Fri 18th Sep) | 2ft (0.6m) 5s |
| Best Surf | 8PM (Sun 20th Sep) | 5ft (1.6m) 7s |
| Most Powerful | 5PM (Sun 20th Sep) | 6ft (1.9m) 6s |
Table - best surf conditions forecast for Ditch Plains over the next 16 days.
The Lowdown
Alright, let’s be real with you. The next couple weeks aren’t going to win any awards. There’s a big dry spell at the start – nothing worth paddling out for until around the 20th.
When the 20th rolls around, we finally see some energy, but it’s not great. The swell is around 1.6m in the morning, but the period is a short 6 seconds and the wind is messy. The afternoon cleans up a bit with a cross-off breeze and a slightly bigger 1.9m swell, but that short period means it’s going to be bumpy and lacking any real power.
The following days are mostly a write-off. Wind, rain, chop – the whole deal. The 23rd and 24th get particularly nasty with strong onshores and near gale conditions.
Now for the one bright spot: the morning of the 25th. We’ve got a serious bump in energy – the combined swell energy jumps to 620. The swell is coming from the SE with a 9-second period, and the wind is a clean cross-off from the NNE. That’s a recipe for some proper waves out at Ditch Plains (Montauk). With around 1.7m of swell and that clean wind, this is your day. It’s not a flawless, perfect swell, but it’s the best we’ve got by a long shot.
After that, it fades out. The 26th and 27th have some size but are lumpy and onshore. The morning of the 28th is glassy but tiny – just ankle-biters. Not much to work with.
So, if you can only pick one session, make it the morning of the 25th. Everything else is a waiting game or a battle against the wind.
Rusty out.
Short Range ForecastMostly dry. Warm (max 21°C on Thu morning, min 14°C on Tue morning). Winds decreasing (fresh winds from the NNE on Mon night, light winds from the SSW by Tue night). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Sun afternoon. Warm (max 24°C on Fri afternoon, min 17°C on Fri night). Winds increasing (light winds from the E on Fri afternoon, strong winds from the SSW by Sun morning). | ||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
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) | SE 8 | ENE 5 | ESE 9 | SE 9 | ESE 9 | ESE 5 | ESE 8 | ESE 8 | ESE 7 | SW 4 | SW 5 | E 7 | ESE 12 | SE 8 | SE 8 | SE 11 | S 6 | SSW 6 | S 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 25 | 8 | 13 | 8 | 5 | 19 | 19 | 10 | 26 | 14 | 23 | 13 | 17 | 16 | 19 | 164 | 280 | 72 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | on | cross | cross-on | on | cross-on | cross | cross-off | cross-off |
High Tide | 10:34PM0.79m | 11:08AM0.92m | 11:06PM0.73m | 11:46AM0.85m | 11:40PM0.67m | 12:26PM0.79m | 00:22AM0.62m | 1:16PM0.74m | 1:14AM0.59m | 2:31PM0.70m | 2:28AM0.57m | 4:10PM0.70m | 4:33AM0.60m | ||||||
Low Tide | 4:11AM0.06m | 4:59PM0.13m | 4:46AM0.11m | 5:42PM0.20m | 5:24AM0.17m | 6:31PM0.27m | 6:08AM0.23m | 7:37PM0.31m | 7:03AM0.27m | 9:21PM0.31m | 8:15AM0.30m | 10:29PM0.28m | |||||||
 |  | | | | | | |  |  | | |  | | | | |  | | |
 | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 6:59 | — | 6:57 | — | — | 6:54 | — | — | 6:53 | — | — | 6:52 | — | — | 6:50 | — | — | 6:49 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 3 | — |
Temp °C | 20 | 15 | 16 | 17 | 17 | 19 | 20 | 21 | 21 | 22 | 22 | 24 | 21 | 18 | 18 | 21 | 22 | 23 | 23 |
Feels °C | 14 | 12 | 14 | 15 | 15 | 16 | 18 | 21 | 18 | 21 | 21 | 24 | 19 | 13 | 15 | 16 | 17 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 9 | ENE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | SW 5 | SSW 5 | E 4 | SE 8 | SE 8 | ESE 7 | SE 11 | ESE 11 | S 7 |
| kJ | 18 | 13 | 6 | 7 | 5 | 5 | 19 | 19 | 10 | 9 | 11 | 4 | 10 | 17 | 16 | 11 | 18 | 11 | 72 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | ESE 9 | SE 9 | ESE 9 | ESE 7 | SE 13 | SE 13 | SE 12 | SE 12 | ESE 7 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | SE 11 | SE 11 | — | SE 10 |
| kJ | 7 | 3 | 8 | 13 | 8 | 5 | 7 | 6 | 6 | 6 | 9 | 14 | 13 | 13 | 12 | 19 | 18 | — | 23 |
Swell 3 Height (m) Direction Period (s) | E 15 | S 6 | S 6 | SE 14 | SE 13 | SE 10 | SE 9 | SE 10 | SE 9 | SE 9 | ESE 12 | SE 9 | ESE 6 | SW 4 | — | — | — | — | SE 8 |
| kJ | 4 | 1 | 1 | 7 | 7 | 4 | 3 | 4 | 3 | 3 | 14 | 3 | 4 | 1 | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | NE 4 | ENE 5 | — | — | — | SW 2 | SW 3 | SW 4 | SSW 3 | SW 4 | — | E 7 | — | E 3 | ESE 3 | SSE 4 | S 6 | SSW 6 | NNE 4 |
| kJ | 19 | 25 | — | — | — | 2 | 5 | 2 | 7 | 26 | — | 23 | — | 3 | 5 | 19 | 164 | 280 | 21 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 270 | 804 | 796 | 820 | 798 | 387 | 207 | 192 | 819 | 582 | 20 | 674 | 270 | 1162 | 1162 | 1162 | 387 | 174 | 30 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Ditch Plains Surf forecast
The above surf forecast table for Ditch Plains provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ditch Plains can be found by selecting the local surf guide option on the grey menu. Our Ditch Plains 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 (Ditch Plains) 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 Ditch Plains 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.
Ditch Plains is 38 km (24 miles) from Westerly. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Westerly. Westerly has rooms for a wide range of budgets as well as car hire and transport links.
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