
Surf Forecasts:
Diamond Beach surf forecast from 4 Aug 2026:
- Best quality surf: Saturday 8 Aug, 8AM (local time) - 2.5ft (0.8m), 6s period, SSE swell with cross-offshore winds.
- Most powerful swell: Saturday 8 Aug, 2AM (local time) - 4ft (1.2m), 6s period, S swell with 105 kJ wave energy.
- Next surfable swell (1★+): Saturday 8 Aug, 8AM (local time) - 2.5ft (0.8m), 6s period with SSE swell.
Best Forecast Surf Conditions for Diamond Beach this week:
The surf forecast for Diamond Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 08) at 8AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.1m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Diamond Beach in the next 16 days are 1.2m 6s and forecast to arrive on Saturday (Aug 08) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Saturday (Aug 08) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sat 8th Aug) | 2.5ft (0.8m) 6s |
| Best Surf | 8AM (Sat 8th Aug) | 2.5ft (0.8m) 6s |
| Most Powerful | 2AM (Sat 8th Aug) | 4ft (1.2m) 6s |
Table - best surf conditions forecast for Diamond Beach over the next 16 days.
The Lowdown
Alright, let’s have a look at this 16-day stretch. I’m not gonna lie to you, it’s shaping up to be a pretty quiet run for Diamond Beach. There’s no real standout swell window on the cards – it’s a long stretch of small, weak, and mostly messy conditions. The good news is, the water temperature is sitting about normal for this time of year, so at least you won’t be freezing while you’re waiting for a wave.
We’re kicking off Tuesday the 4th of August with tiny, weak 2 ft SSE swell at 7 seconds, and the wind is a moderate cross-shore from the ENE. It’s a cross-chop mess, and the combined energy is only 59 – that’s really weak. Wednesday and Thursday don’t get any better, with swell staying under 3 ft and periods short, mostly in the 4 to 6 second range. Winds are cross-on or cross-shore, and it’s choppy or just poor surf. Friday the 7th offers a little glimmer with a light breeze and a small 3 ft S swell, but it’s still inconsistent and weak (45 combined energy). Saturday the 8th morning sees combined energy tick up to 141 – that’s moderate – but the swell is only 3 ft at 6 seconds from the S, and it’s cross-shore. Not exactly firing.
Then we hit a real lull. From Sunday the 9th right through to Wednesday the 13th, the swell drops below 2 ft and combined energy is mostly under 40. The winds are clean at times, especially Sunday and Monday mornings with light offshore or cross-off breezes, but there’s just no swell to work with. You’d be out there on a log if you’re desperate. Thursday the 14th through Saturday the 16th is even smaller – 1 ft or less – with weak energy and cross-onshore winds.
There is a small shift around Sunday the 16th into Monday the 17th. We get a 1 ft SE groundswell with a period of 9 seconds, and the winds turn offshore from the NNW and WNW with gentle breezes. The combined energy is only 24, so it’s weak, but it’ll be clean. Tuesday the 18th morning has a similar 1 ft SE swell at 8 seconds with light offshore wind – clean again, but tiny. Even the best of this stretch is only for the most patient surfers on a longboard.
Honestly, the entire 16-day outlook is a struggle. Nothing reaches above 3 ft, the periods are short, and the wind is rarely in your favour for quality. For a spot that’s exposed to SE swell, this is a long dry spell. If you’ve got a kiteboard, the afternoon of Thursday the 6th has a 3 ft S swell with a 25 km/h S wind – that’s more interesting for kite surfing than paddle surfing. But for a proper surf, you’re better off waiting for the next forecast.
Rusty
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 30°C on Thu afternoon, min 22°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Fri night. Warm (max 31°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | ||||||||||||||
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) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 4 | S 6 | SSE 6 | S 5 | S 6 | SSE 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 |
Wave Graph | |||||||||||||||||||
86 | 42 | 34 | 31 | 26 | 31 | 58 | 39 | 43 | 72 | 36 | 43 | 105 | 78 | 49 | 19 | 21 | 12 | 16 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross-on | cross |
High Tide | 00:25AM1.38m | 12:58PM1.47m | 1:17AM1.31m | 1:49PM1.50m | 2:14AM1.26m | 2:45PM1.52m | 3:17AM1.22m | 3:47PM1.54m | 4:27AM1.21m | 4:56PM1.58m | 5:39AM1.25m | 6:05PM1.64m | |||||||
Low Tide | 6:13AM0.05m | 6:53PM0.23m | 6:57AM0.10m | 8:00PM0.27m | 7:54AM0.14m | 9:17PM0.26m | 9:07AM0.17m | 10:29PM0.20m | 10:20AM0.15m | 11:33PM0.12m | 11:26AM0.09m | 00:31AM0.02m | |||||||
— | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | |
8:08 | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — | |
mm | 6 | — | — | — | — | — | — | — | — | — | — | — | 15 | — | — | 1 | — | — | — |
Temp °C | 27 | 24 | 24 | 24 | 25 | 26 | 26 | 27 | 30 | 28 | 28 | 31 | 28 | 25 | 29 | 30 | 26 | 31 | 31 |
Feels °C | 30 | 23 | 22 | 27 | 27 | 27 | 27 | 29 | 29 | 27 | 30 | 33 | 30 | 27 | 32 | 32 | 27 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | E 4 | SE 6 | E 10 | E 9 | E 9 | — | SSE 6 | E 10 | E 9 | S 6 | S 6 | S 6 | S 6 | SE 7 | S 5 |
86 | 42 | 31 | 31 | 1 | 26 | 2 | 2 | 2 | — | 36 | 2 | 2 | 38 | 19 | 19 | 21 | 2 | 16 | |
Swell 2 Height (m) Direction Period (s) | — | — | S 7 | ENE 4 | NE 4 | E 12 | E 13 | — | E 9 | — | E 11 | — | — | SE 8 | SE 8 | SE 8 | ESE 8 | E 9 | — |
— | — | 34 | 3 | 1 | 3 | 3 | — | 2 | — | 2 | — | — | 23 | 15 | 9 | 6 | 2 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 8 | E 10 | — | — | — | — | — | — | — | E 9 | E 8 | E 9 | E 9 | — | E 8 |
— | — | — | — | 1 | 2 | — | — | — | — | — | — | — | 2 | 1 | 1 | 2 | — | 1 | |
Wind waves Height (m) Direction Period (s) | NE 3 | E 4 | E 4 | — | SSE 6 | SSE 4 | S 6 | SSE 6 | S 5 | S 6 | WSW 3 | S 6 | S 6 | S 6 | S 6 | WSW 3 | W 3 | S 6 | WSW 3 |
2 | 17 | 25 | — | 26 | 31 | 58 | 39 | 43 | 72 | 2 | 43 | 105 | 78 | 49 | 3 | 1 | 12 | 3 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 199 | 247 | 50 | 247 | 1166 | 23 | 28 | 1011 | 151 | 117 | 30 | 73 | 7 | 23 | 42 | 85 | 28 | 29 |
Best forecast wave conditions in New Jersey | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Diamond Beach Surf forecast
The above surf forecast table for Diamond Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Diamond Beach can be found by selecting the local surf guide option on the grey menu. Our Diamond Beach 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 (Diamond Beach) 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 Diamond Beach 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.
Diamond Beach is 43 km (27 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.











