Surf Forecasts:
Flies surf forecast from 21 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 11PM (local time) - 6ft (1.9m), 9s period, S swell with offshore winds.
- Most powerful swell: Wednesday 22 Jul, 2PM (local time) - 7ft (2.2m), 8s period, S swell with 692 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 11PM (local time) - 6ft (1.9m), 9s period with S swell.
Best Forecast Surf Conditions for Flies this week:
The surf forecast for Flies over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 22) at 11PM. The primary swell is predicted to be 1.9m and 9s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Flies in the next 16 days are 2.2m 8s and forecast to arrive on Wednesday (Jul 22) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Saturday (Jul 25) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 22nd Jul) | 6ft (1.9m) 9s |
| Best Surf | 11PM (Wed 22nd Jul) | 6ft (1.9m) 9s |
| Most Powerful | 2PM (Wed 22nd Jul) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Flies over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming up for Flies.
We’ve got a bit of a slow start, to be honest. The first recommendation pops up on Wednesday the 22nd of July, but the conditions are a mess. The wind is howling from the SW at 22 mph, making it a messy cross-shore chop, with Southerly swell at 8 ft but a short, weak 8-second period. The combined energy is moderate, at 1162, but with that wind, it’s not a paddle-out kind of day. The next decent window is a long way off.
The real standout, the one worth circling on the calendar, is Monday the 3rd of August. The morning is looking clean with a light offshore breeze from the WNW at 6 mph. Swell is a solid 4 ft from the South, with a 9-second period, giving it a bit of shape. The wind is light, the conditions are clean, and the combined energy is moderate (357). This is the best we’ve got, hands down. It’s still a week and a half away, so keep an eye on it, but it looks promising.
The water is a bit colder than normal for this time of year, around 0.5° to 1°F below average, so don’t forget the booties.
Between the 22nd and the 3rd, there are a few mornings with clean conditions, but the swell is tiny—under 3 ft—and the energy is weak. Thursday the 30th of July morning has a nice offshore from the NW at 12 mph, with a 3 ft S swell, but the energy is low (147) and the waves will be small and weak. Good for a longboard if you’re desperate, but not the main event.
That Monday morning on the 3rd is the one to target. After that, it drops right back off again into tiny, onshore slop.
Rusty.
Short Range ForecastHeavy rain (total 26mm), heaviest during Tue night. Warm (max 26°C on Wed afternoon, min 18°C on Wed night). Winds decreasing (strong winds from the SSW on Tue night, calm by Thu afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Fri afternoon, min 16°C on Sat night). Winds decreasing (fresh winds from the ENE on Sat morning, light winds from the S by Sun afternoon). | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||
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) | S 5 | S 6 | S 7 | SSW 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 7 | ESE 6 | SSE 8 | S 7 | E 6 | SE 7 | SE 8 | SE 8 | SW 5 | SSW 6 | SSW 6 | SSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 60 | 165 | 303 | 653 | 607 | 503 | 260 | 173 | 74 | 51 | 82 | 42 | 24 | 43 | 48 | 60 | 49 | 55 | 104 | 77 | 42 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | cross-off | cross-off | cross-off | on | cross-on | cross | on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 2:00PM0.97m | 2:18AM0.83m | 2:55PM0.95m | 3:16AM0.78m | 3:51PM0.95m | 4:14AM0.76m | 4:45PM0.97m | 5:08AM0.76m | 5:34PM0.99m | 5:58AM0.78m | 6:19PM1.02m | 6:44AM0.82m | 7:03PM1.05m | ||||||||
Low Tide | 7:43PM0.25m | 7:42AM0.19m | 8:45PM0.29m | 8:30AM0.22m | 9:55PM0.30m | 9:20AM0.23m | 11:10PM0.28m | 10:13AM0.23m | 00:06AM0.26m | 11:06AM0.22m | 00:43AM0.22m | 11:58AM0.20m | 1:12AM0.17m | ||||||||
 |  |  | |  |  |  | |  | | | | | | | | | | | | | |
 | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — |
 | — | 8:15 | — | — | 8:15 | — | — | 8:14 | — | — | 8:13 | — | — | 8:12 | — | — | 8:12 | — | — | 8:10 | — |
mm | — | 11 | 13 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 24 | 23 | 23 | 26 | 26 | 20 | 22 | 20 | 21 | 22 | 20 | 20 | 21 | 20 | 19 | 22 | 22 | 23 | 23 | 23 |
Feels °C | 20 | 24 | 20 | 21 | 25 | 26 | 16 | 21 | 18 | 20 | 19 | 17 | 15 | 16 | 18 | 18 | 20 | 21 | 22 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 12 | S 12 | S 8 | — | S 9 | S 8 | S 8 | S 8 | ESE 6 | S 7 | ESE 6 | E 6 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 7 | SSW 6 |
| kJ | 5 | 5 | 3 | 509 | — | 503 | 260 | 173 | 74 | 60 | 24 | 101 | 92 | 43 | 48 | 60 | 49 | 48 | 37 | 37 | 42 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 8 | SE 7 | S 7 | — | SSE 8 | S 7 | S 6 | E 6 | ENE 5 | E 5 | — | — | — | SE 8 |
| kJ | — | — | — | — | — | — | — | 7 | 52 | 51 | — | 42 | 24 | 12 | 22 | 5 | 2 | — | — | — | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSW 6 | — | — | S 6 | S 6 | — | — | — | — | SE 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 8 | — | — | 2 | 7 | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | S 5 | S 6 | S 7 | SSW 8 | S 9 | NNW 3 | NNE 3 | — | ENE 3 | NE 3 | ESE 6 | E 6 | — | E 6 | — | — | S 6 | SW 5 | SSW 6 | SSW 6 | — |
| kJ | 60 | 165 | 303 | 653 | 607 | 1 | 5 | — | 3 | 4 | 82 | 158 | — | 43 | — | — | 10 | 55 | 104 | 77 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 848 | 1164 | 320 | 136 | 21 | 22 | 22 | 80 | 72 | 76 | 597 | 72 | 611 | 602 | 60 | 0 | 685 | 144 | 260 | 80 | 258 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Flies Surf forecast
The above surf forecast table for Flies provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Flies can be found by selecting the local surf guide option on the grey menu. Our Flies 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 (Flies) 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 Flies 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.
Flies is 32 km (20 miles) from Mastic. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Mastic. Mastic has rooms for a wide range of budgets as well as car hire and transport links.
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