Surf Forecasts:
Sebastian Inlet-Third Peak surf forecast from 15 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 2AM (local time) - 1.5ft (0.4m), 8s period, ESE swell with 23 kJ wave energy.
Best Forecast Surf Conditions for Sebastian Inlet-Third Peak this week:
The most powerful waves expected at Sebastian Inlet-Third Peak in the next 16 days are 0.4m 8s and forecast to arrive on Sunday (Aug 16) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (Aug 18) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 16th Aug) | 1.5ft (0.4m) 8s |
Table - best surf conditions forecast for Sebastian Inlet-Third Peak over the next 16 days.
The Lowdown
Alright, Rusty here. Let's look at what's cooking for Sebastian Inlet-Third Peak.
Honestly, it's a pretty grim outlook for the next couple of weeks. We’re looking at a long stretch of flat, or near-flat, conditions with almost no energy. The first real chance of anything rideable doesn't show up until Thursday, the 27th of August, and even then, it's nothing to write home about. You're basically looking at a solid two-week gap with no surf worth mentioning.
The water temp is sitting at 84°, which is pretty much bang on average for this time of year, so at least you won't need a steamer.
The one day that might offer a paddle is Thursday, the 27th of August. The morning starts off small with a 1 ft swell from the East, but the energy is creeping up a bit. Winds from the South at 6 mph. That's a light cross-offshore breeze, which should keep the surface pretty clean. The afternoon shows a slight improvement, bumping up to 2 ft from the East, and the wind stays light and cross-off. It's still small, but for this forecast period, those two sessions are the only things that even qualify as surfable. The swell period is around 11-12 seconds, so it's a groundswell, but on a beach/jetty setup like this, it's not going to be doing you any favors in terms of shape.
Don't get excited about it, but if you're desperate, that's your window. Everything else is just flat, choppy, and a waste of time.
- Rusty
Short Range ForecastLight rain (total 3mm), mostly falling on Sat afternoon. Warm (max 33°C on Mon afternoon, min 27°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Wed night. Warm (max 32°C on Tue afternoon, min 26°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 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 12 | SE 5 | ESE 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 14 | 13 | 23 | 12 | 21 | 11 | 10 | 11 | 12 | 12 | 19 | 17 | 16 | 15 | 14 | 12 | 12 | 12 | 12 | 12 | 13 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | off | cross | off | cross-off | cross-off | off | cross-off | cross | off | off | cross | glassy | off | cross | cross-off | off | cross | cross-off |
High Tide | 10:27AM0.37m | 10:44PM0.35m | 11:16AM0.36m | 11:29PM0.29m | 12:08PM0.35m | 00:15AM0.23m | 1:01PM0.33m | 1:04AM0.18m | 1:57PM0.32m | 1:56AM0.13m | 2:55PM0.31m | 2:52AM0.11m | 3:52PM0.31m | 3:50AM0.09m | |||||||
Low Tide | 4:36PM-0.35m | 4:58AM-0.37m | 5:28PM-0.30m | 5:41AM-0.35m | 6:22PM-0.26m | 6:26AM-0.32m | 7:20PM-0.21m | 7:13AM-0.30m | 8:23PM-0.18m | 8:03AM-0.27m | 9:26PM-0.16m | 8:56AM-0.26m | 10:27PM-0.16m | ||||||||
 |  |  | | | | | | | |  | | | |  | | | | |  | | |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:57 | — | — | 7:55 | — | — | 7:54 | — | — | 7:53 | — |
mm | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 2 |
Temp °C | 29 | 29 | 28 | 29 | 31 | 29 | 30 | 33 | 31 | 30 | 32 | 31 | 30 | 32 | 31 | 30 | 32 | 30 | 30 | 32 | 29 |
Feels °C | 34 | 32 | 30 | 32 | 34 | 31 | 33 | 35 | 32 | 34 | 36 | 34 | 34 | 35 | 33 | 34 | 35 | 32 | 34 | 36 | 30 |
Swell 1 Height (m) Direction Period (s) | SE 4 | ENE 11 | ESE 8 | E 8 | SE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | E 10 | E 10 | E 9 | E 9 | SE 3 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 4 | 13 | 23 | 12 | 1 | 11 | 10 | 11 | 12 | 12 | 19 | 17 | 16 | 15 | 3 | 12 | 12 | 12 | 12 | 12 | 13 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | E 8 | ENE 11 | S 5 | NE 10 | SE 3 | SSE 3 | E 9 | E 9 | SSE 4 | NE 6 | ENE 7 | ENE 7 | ENE 7 | E 9 | SSE 4 | NE 6 | ENE 7 | SE 4 | E 15 | E 14 |
| kJ | 14 | 5 | 12 | 2 | 4 | 1 | 1 | 2 | 2 | 1 | 1 | 5 | 10 | 5 | 14 | 2 | 1 | 5 | 2 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 7 | — | NE 11 | NE 10 | NE 10 | NE 10 | — | E 12 | E 11 | E 8 | NE 5 | SSE 4 | — | ENE 6 | ENE 7 | ENE 6 | — | — | E 15 | E 14 |
| kJ | 1 | 1 | — | 5 | 4 | 4 | 4 | — | 3 | 2 | 1 | 1 | 1 | — | 4 | 4 | 4 | — | — | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | SE 5 | SSE 5 | — | ESE 8 | — | — | SE 2 | S 3 | W 3 | SE 3 | S 3 | — | SE 2 | WSW 2 | — | SE 3 | SSE 3 | — | SE 4 | SE 4 |
| kJ | — | 10 | 2 | — | 21 | — | — | 1 | 5 | 1 | 2 | 3 | — | 1 | 1 | — | 2 | 4 | — | 3 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 352 | 1840 | 129 | 218 | 375 | 271 | 352 | 352 | 352 | 129 | 175 | 3 | 3 | 375 | 4 | 464 | 1844 | 4 | 1547 | 955 | 218 |
Best forecast wave conditions in North Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Sebastian Inlet-Third Peak Surf forecast
The above surf forecast table for Sebastian Inlet-Third Peak provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sebastian Inlet-Third Peak can be found by selecting the local surf guide option on the grey menu. Our Sebastian Inlet-Third Peak 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 (Sebastian Inlet-Third Peak) 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 Sebastian Inlet-Third Peak 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.
Sebastian Inlet-Third Peak is 6 km (4 miles) from the city of Sebastian. If you plan a vacation in North Florida, look for hotels and other accommodation in Sebastian. Sebastian has rooms for a wide range of budgets as well as car hire and transport links.
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