Surf Forecasts:
L Jetty surf forecast from 12 Sep 2026:
- Best quality surf: Thursday 17 Sep, 2AM (local time) - 2.5ft (0.8m), 8s period, E swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 11PM (local time) - 3ft (0.9m), 8s period, E swell with 113 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 2AM (local time) - 2.5ft (0.8m), 8s period with E swell.
Best Forecast Surf Conditions for L Jetty this week:
The surf forecast for L Jetty over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 2AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.1m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at L Jetty in the next 16 days are 0.9m 8s and forecast to arrive on Wednesday (Sep 16) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Sep 18) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 17th Sep) | 2.5ft (0.8m) 8s |
| Best Surf | 2AM (Thu 17th Sep) | 2.5ft (0.8m) 8s |
| Most Powerful | 11PM (Wed 16th Sep) | 3ft (0.9m) 8s |
Table - best surf conditions forecast for L Jetty over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s cookin’.
Honestly, the next week and a half or so is a bit of a write-off. We’re looking at a long, flat spell with nothing really worth paddling out for. The first decent bump doesn’t show up until Friday the 25th, so we’ve got a solid 10-day gap of tiny, wind-affected slop before anything clicks. Patience is the name of the game here.
The standout window is Friday the 25th of September through to Sunday the 27th. That’s when things get interesting. L Jetty has some moderate wave energy coming through (268 to 327), with chest to head-high sets, 5ft to 6ft, pushing in from the east. The period is a short 7 seconds, so it’s gonna be a bit crumbly and not super grunty, but the winds are looking decent – glassy on Friday afternoon and Saturday morning. That’ll keep the surface clean and make it more fun than it sounds. The water temp is about average for this time of year, so nothing wild there.
Saturday the 26th morning is the pick of the bunch. 5ft from the east, glassy winds, and you’ll have that 285 combined energy pushing through. It’s a beach/jetty setup so it might get a bit straight with that short period, but if you can find a bank, you’ll get some fun ones. Just a heads up – this spot can get crowded, and on a day like Saturday morning, you’ll likely have company.
Don’t bother before that. The swell is too small, wind is junk, and it’s just not worth the effort.
Rusty.
Short Range ForecastHeavy rain (total 21mm), heaviest during Sun morning. Warm (max 27°C on Sun afternoon, min 17°C on Mon morning). Winds increasing (calm on Sun afternoon, fresh winds from the NNW by Mon morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Thu afternoon, min 17°C on Tue morning). Wind will be generally light. | ||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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) | ESE 9 | SE 5 | SE 9 | SSE 4 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | NE 5 | ENE 5 | E 6 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 8 | 8 | 23 | 25 | 25 | 23 | 22 | 29 | 21 | 41 | 49 | 81 | 87 | 98 | 108 | 88 | 64 | 44 | 27 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | off | glassy | off | cross-off | cross-off | cross-on | cross-on | on | on | on | cross-on | cross-off | cross-off | cross | cross-off |
High Tide | 8:12PM1.68m | 8:42AM1.69m | 8:54PM1.60m | 9:24AM1.67m | 9:38PM1.50m | 10:07AM1.62m | 10:23PM1.39m | 10:51AM1.55m | 11:11PM1.29m | 11:37AM1.47m | 00:01AM1.20m | 12:25PM1.40m | 00:53AM1.13m | ||||||
Low Tide | 2:28AM-0.11m | 2:49PM-0.04m | 3:07AM-0.06m | 3:32PM0.01m | 3:44AM0.02m | 4:15PM0.09m | 4:20AM0.11m | 4:57PM0.17m | 4:55AM0.22m | 5:42PM0.27m | 5:34AM0.33m | 6:35PM0.35m | |||||||
 |  |  |  |  | |  |  | | | | | | | | | | | | |
 | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — |
 | 7:12 | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:02 | — | — | 7:01 | — |
mm | — | — | — | 8 | 10 | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 22 | 23 | 22 | 23 | 27 | 26 | 19 | 23 | 22 | 18 | 18 | 18 | 18 | 18 | 19 | 21 | 25 | 23 |
Feels °C | 23 | 22 | 21 | 20 | 24 | 30 | 28 | 13 | 18 | 16 | 16 | 16 | 17 | 18 | 17 | 18 | 19 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | S 6 | ESE 9 | SE 9 | SE 10 | SE 5 | SE 5 | SE 5 | SE 9 | SE 9 | ESE 9 | ESE 9 | S 6 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 |
| kJ | 6 | 8 | 23 | 15 | 25 | 20 | 12 | 29 | 21 | 15 | 8 | 1 | 87 | 98 | 108 | 88 | 64 | 44 | 27 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | S 5 | E 8 | — | SE 10 | SE 10 | SE 9 | ESE 5 | SSE 5 | S 6 | S 6 | E 15 | E 14 | SE 14 | SE 13 | SE 13 | ESE 13 | ESE 12 | ESE 13 |
| kJ | 8 | 2 | 1 | — | 24 | 23 | 22 | 3 | 3 | 2 | 1 | 4 | 4 | 7 | 7 | 7 | 17 | 15 | 16 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 5 | ESE 5 | E 15 | E 15 | — | S 6 | S 6 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 5 | 2 | 4 | 4 | — | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 5 | SE 3 | SSE 4 | — | — | — | N 3 | NNE 4 | NE 5 | ENE 5 | E 6 | — | — | — | SSW 2 | — | S 3 | S 4 |
| kJ | — | 7 | 9 | 25 | — | — | — | 5 | 5 | 41 | 49 | 81 | — | — | — | 1 | — | 5 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 526 | 1005 | 569 | 240 | 2 | 2 | 2 | 55 | 145 | 443 | 55 | 889 | 75 | 160 | 162 | 0 | 0 | 656 | 206 |
Best forecast wave conditions in New Jersey | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the L Jetty Surf forecast
The above surf forecast table for L Jetty provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at L Jetty can be found by selecting the local surf guide option on the grey menu. Our L 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 (L 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 L 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.
L Jetty is 3 km (2 miles) from Asbury Park. If you plan a vacation in New Jersey, look for hotels and other accommodation in Asbury Park. Asbury Park has rooms for a wide range of budgets as well as car hire and transport links.
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