Surf Forecasts:
Flies surf forecast from 16 Jul 2026:
- Best quality surf: Sunday 19 Jul, 2PM (local time) - 5ft (1.6m), 8s period, SSW swell with offshore winds.
- Most powerful swell: Wednesday 22 Jul, 2PM (local time) - 5ft (1.5m), 9s period, S swell with 364 kJ wave energy.
- Next surfable swell (1★+): Thursday 16 Jul, 8PM (local time) - 3ft (0.9m), 5s period with SSW 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 Thursday (Jul 16) at 8PM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.1m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Flies in the next 16 days are 1.5m 9s and forecast to arrive on Wednesday (Jul 22) at 2PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Wednesday (Jul 22) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Thu 16th Jul) | 3ft (0.9m) 5s |
| Best Surf | 2PM (Sun 19th Jul) | 5ft (1.6m) 8s |
| Most Powerful | 2PM (Wed 22nd Jul) | 5ft (1.5m) 9s |
Table - best surf conditions forecast for Flies over the next 16 days.
The Lowdown
Alright, let’s break it down. Flies is a beach-and-jetty setup, and the next week is a slow starter. The water temperature is about normal for this time of year.
Right now, through Thursday the 16th and Friday the 17th, the surf is flat and weak. We’re looking at swell around 2 feet from the south, with short, weak periods. The wind is cross or cross-off, but the energy is barely there (combined energy is 27 to 48). Not worth paddling out.
Saturday the 18th is a washout. The swell stays tiny, the wind picks up, and there’s some rain. The combined energy is only 28.
First real window opens Sunday the 19th morning. The swell jumps to 6 feet from the SSW, period 7 seconds, and the combined energy hits 312 (moderate). The wind is cross-off from the west, so it’ll be clean. This is a solid size for an intermediate surfer, but the short period means it might be a bit lumpy. The afternoon gets even better with a fresh offshore from the NNW, dropping to 5 feet. That’s the best of the weekend.
The standout is Monday the 20th morning. Glassy conditions with a light ESE breeze, 4 feet of south swell, and a period of 9 seconds. The combined energy is 225 (moderate). This is the cleanest, most user-friendly window of the whole forecast. The swell is small enough for beginners, but the period is decent enough to hold shape. Get out there early.
After Monday, the forecast gets patchy. Tuesday the 21st and Wednesday the 22nd morning look okay (Wednesday morning has 5 feet from the south, 9 seconds, clean with a north cross-off), but the afternoons get choppy. The wind turns onshore or cross, and the quality drops. The combined energy on Wednesday morning is 340 (moderate), but it’s a short-lived window.
From Thursday the 23rd through to the end of the month, it’s mostly small, weak, and messy. There are a few hopeful moments, like the afternoon of the 31st of July, where we get 5 feet from the SSE, 7 seconds, with a light cross-off and combined energy of 268 (moderate). That’s a promising sign for the end of the run, but it’s a long way off and the confidence is lower.
The best bet is Monday the 20th morning – that glassy, clean 4 feet of south swell is the pick of the bunch. The Sunday the 19th afternoon is also a solid call if you want a bit more size.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Sat afternoon. Warm (max 28°C on Thu night, min 20°C on Sat night). Winds increasing (light winds from the SE on Fri afternoon, strong winds from the S by Sat night). | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Tue afternoon. Warm (max 26°C on Sun afternoon, min 19°C on Mon morning). Winds decreasing (fresh winds from the W on Sun morning, calm by Mon morning). | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||
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 6 | SSW 5 | SSW 5 | S 5 | S 6 | S 5 | S 5 | SSW 4 | SSW 6 | SSW 7 | S 8 | S 8 | S 9 | S 8 | S 8 | S 8 | S 7 | S 6 | S 9 | S 9 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 36 | 20 | 15 | 15 | 14 | 13 | 11 | 207 | 305 | 272 | 205 | 219 | 163 | 129 | 92 | 130 | 101 | 340 | 306 | 103 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | cross-off | cross | cross | cross | cross | cross-off | cross-off | off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | glassy |
High Tide | 9:45AM1.06m | 10:04PM1.21m | 10:36AM1.06m | 10:54PM1.15m | 11:26AM1.05m | 11:43PM1.07m | 12:15PM1.03m | 00:32AM0.98m | 1:06PM1.00m | 1:23AM0.90m | 2:00PM0.97m | 2:18AM0.83m | 2:55PM0.95m | 3:16AM0.78m | |||||||
Low Tide | 3:18PM-0.01m | 4:01AM-0.04m | 4:09PM0.03m | 4:45AM-0.01m | 4:59PM0.08m | 5:28AM0.04m | 5:51PM0.15m | 6:12AM0.09m | 6:45PM0.20m | 6:56AM0.14m | 7:43PM0.25m | 7:42AM0.19m | 8:45PM0.29m | ||||||||
 | |  |  | |  | |  |  | | | | | | |  |  |  | | | | |
 | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — |
 | — | 8:19 | — | — | 8:19 | — | — | 8:17 | — | — | 8:16 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | 6 | 6 | — | — | — | — | — | — | 3 | 6 | 1 | — | — | — |
Temp °C | 26 | 27 | 28 | 23 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 24 | 20 | 22 | 22 | 23 | 24 | 24 | 21 | 23 | 23 |
Feels °C | 24 | 25 | 27 | 20 | 22 | 20 | 23 | 22 | 20 | 21 | 24 | 19 | 19 | 20 | 22 | 21 | 23 | 23 | 18 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | S 6 | SE 9 | SSW 5 | S 5 | SE 8 | S 5 | SE 8 | SE 8 | SE 13 | SSW 7 | S 8 | S 8 | S 9 | S 8 | S 8 | SE 12 | — | S 12 | S 9 | S 9 | S 8 |
| kJ | 15 | 3 | 20 | 15 | 3 | 14 | 3 | 3 | 7 | 305 | 272 | 205 | 219 | 163 | 129 | 6 | — | 3 | 340 | 306 | 103 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 15 | SE 9 | SE 8 | — | SE 8 | SE 14 | SE 13 | E 8 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | — | SE 12 | — | — | N 4 | SE 6 |
| kJ | 3 | 9 | 3 | 3 | — | 3 | 7 | 7 | 1 | 7 | 6 | 6 | 6 | 6 | 6 | — | 6 | — | — | 2 | 19 |
Swell 3 Height (m) Direction Period (s) | SE 15 | — | SE 15 | SE 15 | SE 14 | SE 14 | E 9 | SE 13 | — | — | — | — | — | — | — | — | — | — | — | — | SE 8 |
| kJ | 9 | — | 9 | 8 | 8 | 8 | 2 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | 35 |
Wind waves Height (m) Direction Period (s) | — | SSW 5 | NNW 2 | ENE 3 | S 6 | — | S 5 | SSW 4 | SSW 6 | — | — | — | — | — | — | S 8 | S 7 | S 6 | N 3 | — | — |
| kJ | — | 36 | 1 | 1 | 15 | — | 13 | 11 | 207 | — | — | — | — | — | — | 92 | 130 | 101 | 6 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1163 | 1647 | 715 | 715 | 715 | 1163 | 723 | 282 | 2345 | 36 | 18 | 2 | 0 | 80 | 56 | 80 | 80 | 2 | 0 | 56 | 0 |
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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