Surf Forecasts:
Sumner Avenue (Strathmere) surf forecast from 15 Jul 2026:
- Best quality surf: Sunday 19 Jul, 2PM (local time) - 4ft (1.2m), 7s period, S swell with cross-offshore winds.
- Most powerful swell: Tuesday 21 Jul, 8PM (local time) - 7ft (2.2m), 8s period, S swell with 623 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 8AM (local time) - 3ft (0.9m), 7s period with SSE swell.
Best Forecast Surf Conditions for Sumner Avenue (Strathmere) this week:
The surf forecast for Sumner Avenue (Strathmere) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 19) at 8AM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.1m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Sumner Avenue (Strathmere) in the next 16 days are 2.2m 8s and forecast to arrive on Tuesday (Jul 21) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Saturday (Jul 18) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 19th Jul) | 3ft (0.9m) 7s |
| Best Surf | 2PM (Sun 19th Jul) | 4ft (1.2m) 7s |
| Most Powerful | 8PM (Tue 21st Jul) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Sumner Avenue (Strathmere) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get into it, but I gotta be straight with you right from the jump – this is a tough one. We’re looking at a real long, flat spell ahead for the Strathmere area, and it’s going to be a waiting game.
Right now, the water is a touch warmer than normal for July, sitting at 75°, but that’s about the only thing that’s gonna feel good. The first half of this forecast window is a write-off. We’re seeing tiny, weak, and mostly poor surf from Wednesday the 15th all the way through the morning of Sunday the 19th. The swell is tiny, the period is all over the place, and frankly, you’re better off doing something else. There’s a gap of about four days here with nothing worth paddling for.
Now, Sunday the 19th afternoon finally shows a pulse of life. We get a 4ft (1.2m) swell from the south with a 7-second period. The combined energy hits 220 (moderate), and with a light offshore wind from the west, it’ll be clean. It’s not pumping, but it’s surfable. The best of the bunch, though, is looking like Tuesday the 21st afternoon. The swell builds to 6ft (1.7m) from the south, with a combined energy of 278 (moderate). It’s a bit on the bigger side, so beginners might want to sit this one out, but for the rest of you, that’s the pick. The wind is offshore and gentle, so it’ll be clean. The swell is short-period though, so don’t expect any long, grinding walls.
After that, the energy drops off again. Monday the 22nd has some clean, but small waves, and then from Thursday the 23rd all the way through to the end of the month, we’re back to mostly poor, cross-onshore, and choppy conditions. A few mornings like the 25th and 29th might offer a tiny, clean option, but the swell is really weak (energy in the 60s and 70s). It’s a long stretch of very ordinary conditions.
So, to sum it up: the standout is absolutely Tuesday the 21st of July afternoon. Hit that window for the biggest, cleanest surf we’ll see. The Sunday the 19th afternoon is a solid second option. For the rest of it, don’t hold your breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 36°C on Wed afternoon, min 24°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 31mm), heaviest during Sat afternoon. Warm (max 28°C on Sun afternoon, min 22°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
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) | SE 9 | SE 9 | S 5 | S 5 | S 5 | S 4 | E 15 | S 5 | SSE 5 | SE 14 | S 5 | S 7 | S 7 | S 7 | SSE 8 | SSE 9 | SSE 8 | SSE 8 | S 6 | S 7 | SSE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 12 | 18 | 8 | 4 | 5 | 4 | 4 | 8 | 7 | 35 | 200 | 74 | 146 | 94 | 131 | 94 | 47 | 132 | 278 | 308 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | cross-off | cross-off | glassy | cross-off | cross-off | on | cross-on | cross-off | off | off | cross-off | cross-off | cross | cross | cross-off | off | cross-off |
High Tide | 9:22AM1.32m | 9:36PM1.57m | 10:15AM1.34m | 10:27PM1.51m | 11:09AM1.34m | 11:20PM1.43m | 12:03PM1.33m | 00:11AM1.33m | 12:54PM1.31m | 1:02AM1.23m | 1:43PM1.29m | 1:52AM1.13m | 2:31PM1.26m | 2:42AM1.05m | |||||||
Low Tide | 3:29PM-0.08m | 4:16AM-0.19m | 4:21PM-0.06m | 5:02AM-0.16m | 5:11PM-0.01m | 5:47AM-0.11m | 6:02PM0.06m | 6:32AM-0.03m | 6:54PM0.15m | 7:18AM0.05m | 7:52PM0.22m | 8:08AM0.14m | 8:55PM0.26m | ||||||||
 | |  |  | | | | |  |  |  |  | |  | | | |  | | |  | |
 | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:48 | — | — | 5:48 | — | — |
 | — | 8:23 | — | — | 8:22 | — | — | 8:22 | — | — | 8:22 | — | — | 8:21 | — | — | 8:21 | — | — | 8:20 | — |
mm | — | — | — | — | — | — | — | — | — | 7 | 19 | 2 | — | 2 | 1 | — | — | — | — | — | 3 |
Temp °C | 30 | 36 | 34 | 31 | 33 | 31 | 28 | 30 | 27 | 23 | 24 | 23 | 27 | 28 | 28 | 27 | 28 | 26 | 29 | 26 | 24 |
Feels °C | 31 | 35 | 35 | 31 | 31 | 31 | 29 | 29 | 26 | 23 | 26 | 23 | 29 | 30 | 30 | 30 | 29 | 27 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | S 5 | S 5 | S 5 | S 4 | S 4 | S 5 | SE 8 | SE 8 | SE 8 | SSE 6 | S 7 | SSE 7 | SSE 8 | SSE 9 | SSE 8 | SSE 8 | E 5 | — | SSE 9 |
| kJ | 12 | 12 | 18 | 8 | 4 | 5 | 3 | 4 | 3 | 3 | 3 | 70 | 74 | 67 | 94 | 131 | 94 | 47 | 1 | — | 308 |
Swell 2 Height (m) Direction Period (s) | — | S 6 | ESE 9 | ESE 8 | SE 8 | SE 9 | SE 8 | SE 8 | — | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | — | — | SE 12 | — | — | — | — |
| kJ | — | 1 | 7 | 7 | 3 | 3 | 3 | 3 | — | 7 | 7 | 7 | 7 | 7 | — | — | 6 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 15 | E 15 | E 14 | SE 14 | E 9 | E 8 | NE 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 4 | 4 | 4 | 8 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 4 | — | — | SW 3 | — | ENE 3 | E 3 | SSE 5 | SSE 4 | S 5 | S 7 | — | S 7 | — | — | — | S 4 | S 6 | S 7 | — |
| kJ | 11 | 10 | — | — | 2 | — | 1 | 2 | 4 | 3 | 35 | 200 | — | 146 | — | — | — | 19 | 132 | 278 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 308 | 318 | 259 | 293 | 1426 | 972 | 972 | 981 | 1424 | 2339 | 102 | 65 | 0 | 0 | 0 | 0 | 343 | 343 | 58 | 0 | 10 |
Best forecast wave conditions in New Jersey | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Sumner Avenue (Strathmere) Surf forecast
The above surf forecast table for Sumner Avenue (Strathmere) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sumner Avenue (Strathmere) can be found by selecting the local surf guide option on the grey menu. Our Sumner Avenue (Strathmere) 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 (Sumner Avenue (Strathmere)) 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 Sumner Avenue (Strathmere) 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.
Sumner Avenue (Strathmere) is 13 km (8 miles) from Ocean City. If you plan a vacation in New Jersey, look for hotels and other accommodation in Ocean City. Ocean City has rooms for a wide range of budgets as well as car hire and transport links.
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