Surf Forecasts:
L Jetty surf forecast from 15 Sep 2026:
- Best quality surf: Sunday 20 Sep, 2PM (local time) - 2ft (0.6m), 6s period, ESE swell with offshore winds.
- Most powerful swell: Monday 21 Sep, 8AM (local time) - 4.5ft (1.4m), 6s period, ENE swell with 114 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 2PM (local time) - 2ft (0.6m), 6s period with ESE 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 Sunday (Sep 20) at 2PM. The primary swell is predicted to be 0.6m and 6s period with a secondary swell of 0.7m and 5s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at L Jetty in the next 16 days are 1.4m 6s and forecast to arrive on Monday (Sep 21) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Sep 20) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Sun 20th Sep) | 2ft (0.6m) 6s |
| Best Surf | 2PM (Sun 20th Sep) | 2ft (0.6m) 6s |
| Most Powerful | 8AM (Mon 21st Sep) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for L Jetty over the next 16 days.
The Lowdown
Alright, let's get into it.
Well, if you're looking for a real surf session, you're gonna be waiting a while. The next week and a half is pretty flat and ugly at L Jetty. The water’s sitting at a very warm 74°, which is much warmer than normal for this time of year, so that’s different, but the waves just aren't there.
The first day with anything even worth a look is Wednesday the 23rd. The morning is still marginal, but by Wednesday afternoon we've got some life. You're looking at 5 ft of swell from the ESE, with a clean cross-off wind. It’s not huge, but it’s clean. The combined energy jumps up to (221), which is a solid moderate push. Thursday the 24th is a letdown again—drops right back off.
Then we skip ahead to Friday the 25th. That afternoon is where it gets interesting. The swell bumps up to 3 ft from the E, but the wind is fresh offshore from the W at 19 mph. That’s clean. The energy is (188), so there's some punch for a beach/jetty setup. It’ll be a bit raw with the wind, but if you want a window, that’s your best bet.
The following Sunday the 27th sees the biggest raw numbers—4 ft of E swell—but the wind is a light cross-onshore and the energy is (197). It’s surfable, but it won’t be the clean lines we want.
The standout of the whole 16-day run? Honestly, Wednesday afternoon the 23rd. Between the clean offshore wind from the SW, the 5 ft ESE swell, and the moderate combined energy (221), it’s the most likely to give you a few decent ones. L Jetty can be a bit inconsistent, so grab it if you can.
After that, we’re looking at a big drop-off again through the end of September. The morning of Monday the 28th is 'surfable but ordinary'—just 3 ft and clean, but nothing to write home about. The run looks pretty bleak for a while.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 17°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Sun night. Warm (max 25°C on Fri afternoon, min 16°C on Sun night). Winds increasing (light winds from the W on Fri morning, fresh winds from the ENE by Fri night). | ||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 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) | ENE 5 | E 6 | E 5 | ESE 9 | ESE 9 | E 5 | E 7 | S 4 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | E 4 | ESE 6 | S 5 | ESE 7 | ESE 7 | E 5 | ENE 6 | E 6 | E 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 25 | 22 | 8 | 8 | 8 | 7 | 17 | 15 | 16 | 15 | 14 | 14 | 18 | 56 | 45 | 34 | 15 | 43 | 102 | 85 | 80 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-on | cross-on | on | on |
High Tide | 10:51AM1.55m | 11:11PM1.29m | 11:37AM1.47m | 00:01AM1.20m | 12:25PM1.40m | 00:53AM1.13m | 1:15PM1.34m | 1:47AM1.09m | 2:08PM1.31m | 2:43AM1.09m | 3:04PM1.31m | 3:42AM1.12m | 4:02PM1.34m | 4:38AM1.18m | |||||||
Low Tide | 4:57PM0.17m | 4:55AM0.22m | 5:42PM0.27m | 5:34AM0.33m | 6:35PM0.35m | 6:23AM0.41m | 7:40PM0.40m | 7:33AM0.47m | 8:47PM0.40m | 8:47AM0.46m | 9:44PM0.35m | 9:47AM0.40m | 10:32PM0.28m | ||||||||
 | |  |  | | | | |  | | | |  | |  | |  | | | | | |
 | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 7:05 | — | — | 7:02 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:57 | — | — | 6:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 3 | 5 | 2 | 2 | 1 |
Temp °C | 18 | 17 | 18 | 19 | 23 | 23 | 23 | 26 | 24 | 23 | 25 | 25 | 19 | 19 | 21 | 23 | 25 | 22 | 16 | 17 | 18 |
Feels °C | 15 | 15 | 16 | 18 | 21 | 21 | 22 | 24 | 22 | 23 | 25 | 24 | 15 | 15 | 18 | 21 | 25 | 24 | 13 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | E 6 | E 5 | E 5 | E 5 | E 5 | E 7 | E 7 | E 7 | S 4 | E 7 | E 7 | ESE 12 | ESE 12 | ESE 6 | ESE 7 | S 5 | ESE 10 | SE 10 | SE 10 | ESE 10 |
| kJ | 16 | 22 | 7 | 4 | 4 | 5 | 17 | 9 | 9 | 3 | 8 | 8 | 13 | 13 | 45 | 34 | 13 | 22 | 15 | 14 | 10 |
Swell 2 Height (m) Direction Period (s) | S 6 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 7 | ESE 13 | ESE 12 | ESE 13 | E 7 | S 4 | ESE 12 | E 7 | ESE 12 | ESE 11 | SSE 6 | SE 6 | E 7 | ESE 11 | S 5 | — |
| kJ | 1 | 16 | 8 | 8 | 8 | 4 | 17 | 15 | 16 | 8 | 1 | 14 | 4 | 13 | 12 | 21 | 11 | 1 | 11 | 1 | — |
Swell 3 Height (m) Direction Period (s) | E 15 | E 15 | E 14 | SE 14 | E 13 | SE 13 | E 9 | SE 9 | SE 9 | ESE 12 | ESE 12 | SE 9 | ESE 9 | — | — | ESE 11 | ESE 7 | SE 8 | — | S 5 | — |
| kJ | 4 | 4 | 4 | 7 | 4 | 7 | 2 | 3 | 3 | 15 | 14 | 3 | 7 | — | — | 11 | 15 | 3 | — | 2 | — |
Wind waves Height (m) Direction Period (s) | ENE 5 | — | — | — | SSE 3 | SSW 3 | SSW 3 | S 4 | S 4 | — | NE 3 | — | E 4 | ESE 6 | S 5 | SSW 5 | — | E 5 | ENE 6 | E 6 | E 6 |
| kJ | 25 | — | — | — | 3 | 2 | 2 | 14 | 13 | — | 1 | — | 18 | 56 | 42 | 18 | — | 43 | 102 | 85 | 80 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1004 | 998 | 791 | 668 | 1199 | 656 | 240 | 1199 | 4 | 181 | 181 | 443 | 1207 | 1207 | 403 | 149 | 3 | 219 | 351 | 351 | 396 |
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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