Surf Forecasts:
Sebastian Inlet-First Peak surf forecast from 13 Sep 2026:
- Best quality surf: Friday 18 Sep, 5AM (local time) - 3.5ft (1.0m), 8s period, ENE swell with glassy winds.
- Most powerful swell: Thursday 17 Sep, 5AM (local time) - 5ft (1.6m), 8s period, ENE swell with 302 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 5AM (local time) - 3.5ft (1.0m), 8s period with ENE swell.
Best Forecast Surf Conditions for Sebastian Inlet-First Peak this week:
The surf forecast for Sebastian Inlet-First Peak over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 5AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.1m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sebastian Inlet-First Peak in the next 16 days are 1.6m 8s and forecast to arrive on Thursday (Sep 17) at 5AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Friday (Sep 18) at 5PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 18th Sep) | 3.5ft (1.0m) 8s |
| Best Surf | 5AM (Fri 18th Sep) | 3.5ft (1.0m) 8s |
| Most Powerful | 5AM (Thu 17th Sep) | 5ft (1.6m) 8s |
Table - best surf conditions forecast for Sebastian Inlet-First Peak over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what’s on the cards for the next couple of weeks.
To be straight up with you, it’s a pretty grim stretch ahead for Sebastian Inlet-First Peak (beach/jetty). For the first week and a half, we’re looking at almost constant onshore wind, messy conditions, and very weak swell. The water temp is sitting at a warm 85°, which is about average for this time of year.
The first surf you could even call "surfable" doesn't show up until the morning of September 22nd. Even then, we're only talking about ankle-to-knee high waves from the east around 3ft, with a short period of 5 seconds and weak energy (60). The wind will be light and cross-offshore though, so it will be clean. This lasts into the afternoon, with similar 3ft surf from the east. Nothing to write home about, but you could get wet.
The next little flicker of hope comes on September 23rd. The morning will see clean 3ft waves from the east-northeast with a longer period of 9 seconds and moderate energy (144). The wind will be light and cross-offshore. The afternoon looks even better, with clean 3ft waves from the east-northeast, a 9-second period, and a bit more energy (168), all under light offshore wind from the southwest. These are the two standout sessions in the whole outlook. It’s still small, but the quality will be there.
After that, the wind swings back onshore on the 24th and stays that way, with the swell staying small and choppy right through to the end of the 16-day window. There’s a long-period groundswell pushing in around the 25th, with 13-second periods and strong energy (352), but it’s blowing straight onshore from the northeast, so it’ll be a messy, blown-out closeout mess at this beach/jetty setup.
Honestly, for the majority of this forecast, the conditions are so poor for paddle surfing that the setup looks more interesting for kite surfing. Keep an eye on the 22nd and 23rd for a couple of clean, small windows.
Rusty.
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 30°C on Mon afternoon, min 27°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the NE by Wed morning). | Days 5-7 Weather SummaryHeavy rain (total 27mm), heaviest during Sat morning. Warm (max 28°C on Wed night, min 26°C on Thu night). Winds decreasing (fresh winds from the NE on Wed afternoon, calm by Fri morning). | |||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||
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) | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | NE 5 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | NE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 14 | 14 | 24 | 13 | 25 | 26 | 26 | 53 | 254 | 200 | 287 | 260 | 242 | 143 | 113 | 83 | 56 | 35 | 38 | 27 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | glassy | cross-on | glassy | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross |
High Tide | 10:18PM0.30m | 10:55AM0.39m | 11:00PM0.25m | 11:42AM0.37m | 11:42PM0.20m | 12:31PM0.35m | 00:26AM0.15m | 1:22PM0.33m | 1:13AM0.12m | 2:14PM0.31m | 2:06AM0.10m | 3:08PM0.30m | 3:04AM0.09m | |||||||
Low Tide | 4:21PM-0.32m | 4:28AM-0.38m | 5:10PM-0.28m | 5:08AM-0.35m | 6:01PM-0.24m | 5:49AM-0.33m | 6:53PM-0.20m | 6:32AM-0.30m | 7:48PM-0.17m | 7:18AM-0.27m | 8:45PM-0.15m | 8:10AM-0.26m | 9:41PM-0.15m | |||||||
 |  |  |  | | | | | | | | | |  | | | | | | | |
 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — |
 | 7:29 | — | — | 7:28 | — | — | 7:27 | — | — | 7:24 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — |
mm | — | 1 | — | 2 | 2 | 3 | — | 6 | 3 | 2 | 1 | — | — | 1 | 2 | — | 7 | 14 | — | 11 |
Temp °C | 29 | 29 | 29 | 30 | 29 | 28 | 29 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 32 | 31 | 33 | 34 | 32 | 32 | 31 | 28 | 26 | 25 | 26 | 25 | 26 | 26 | 28 | 27 | 29 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | E 15 | E 14 | E 14 | E 14 | E 13 | ENE 8 | NE 8 | ENE 8 | ENE 8 | NE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 14 | 14 | 24 | 13 | 25 | 26 | 26 | 4 | 4 | 4 | 4 | 3 | 242 | 143 | 113 | 83 | 56 | 35 | 38 | 27 |
Swell 2 Height (m) Direction Period (s) | SE 4 | ESE 4 | — | E 11 | E 11 | — | E 10 | N 9 | — | E 14 | — | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | ESE 4 | E 12 | E 11 |
| kJ | 1 | 2 | — | 2 | 2 | — | 17 | 2 | — | 4 | — | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 3 | 2 |
Swell 3 Height (m) Direction Period (s) | — | E 8 | — | — | — | N 8 | — | — | — | — | — | — | — | — | — | E 9 | E 8 | E 12 | SSE 4 | E 9 |
| kJ | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | E 5 | SSE 2 | — | — | — | — | NE 2 | NE 5 | NE 7 | NE 7 | ENE 8 | ENE 8 | — | — | SSE 3 | SE 4 | ESE 4 | ESE 4 | SE 4 | SE 4 |
| kJ | 2 | 1 | — | — | — | — | 1 | 53 | 254 | 200 | 287 | 260 | — | — | 1 | 4 | 9 | 5 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 353 | 1 | 233 | 1169 | 1 | 621 | 621 | 701 | 701 | 1447 | 708 | 451 | 439 | 451 | 451 | 451 | 1141 | 128 | 1456 | 217 |
Best forecast wave conditions in North Florida | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Sebastian Inlet-First Peak Surf forecast
The above surf forecast table for Sebastian Inlet-First 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-First Peak can be found by selecting the local surf guide option on the grey menu. Our Sebastian Inlet-First 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-First 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-First 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-First Peak is 7 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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