Sea · Louisiana · United States
Grand Isle
Best for kiting from November to April, with 50 to 58 % kite days. Water 15 to 23 °C.
A kite day has at least 3 hours of 12 to 35 knots (gusts up to 45) between 10:00 and 19:00, in daylight. Percentages are the share of such days in each month, counted over 9 years.
- Prime 60 % and more
- Good 40 to 59 %
- Possible 20 to 39 %
- Off under 20 %
- No data hatched
- Ringed: this month
Prime also needs a good month in at least 7 of the 9 years, so one freak year cannot make a month Prime. A month with 60 %+ but fewer good years shows as Good.
Confidence highHourly model data, 2017 to 2025, checked against the season shape of a nearby weather station, a regional model or a documented season.
Month by month
- Kite days
- 49 % Goodabout 15 of 31 days
- Too light, kiteable, too strong
- Too light 51 %
- Kiteable 49 %
- Too strong 0 %
- Good years
- 4 of 9 years reached 50 % kite days
- 10 day trip
- 6 in 10 trips got at least 5 kite days, about 5.0 expected
- Best hours
- 10:00 to 17:00when the wind is most often 12 to 35 knots
- Daylight
- 11.5 h
- Water
- 26 °C, shorty
- Air
- 26 °Cdaily maximum, 25 °C during kite hours
- Rain
- 9 of 31with 1 mm or more
- In one sentence
In October, Grand Isle averaged 15 kite days out of 31 (49 %). Water 26 °C, shorty. 6 in 10 trips of 10 days starting in October got at least 5 kite days.
| Kite days% of days | 58 | 50 | 53 | 56 | 48 | 37 | 18 | 15 | 30 | 49 | 51 | 50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Verdictshare plus good years | Good | Good | Good | Good | Good | Possible | Off | Off | Possible | Good | Good | Good |
| 10 day tripof 10 trips, 5+ kite days | 8 in 10 | 6 in 10 | 7 in 10 | 7 in 10 | 5 in 10 | 3 in 10 | 1 in 10 | 1 in 10 | 3 in 10 | 6 in 10 | 6 in 10 | 7 in 10 |
| Good yearsof 9, reached 50 % | 7 of 9 | 5 of 9 | 7 of 9 | 8 of 9 | 4 of 9 | 2 of 9 | 1 of 9 | 0 of 9 | 1 of 9 | 4 of 9 | 5 of 9 | 5 of 9 |
| Best hourshour of day, most often 12 to 35 kn | 10 to 16 | 10 to 17 | 10 to 18 | 10 to 18 | 10 to 19 | 10 to 19 | 15 to 19 | 14 to 18 | 10 to 18 | 10 to 17 | 10 to 16 | 10 to 16 |
| Daylighth | 10.5 | 11.1 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.4 | 11.5 | 10.7 | 10.3 |
| Water°C at the surface | 15 | 16 | 20 | 23 | 27 | 30 | 31 | 32 | 30 | 26 | 22 | 18 |
| Air°C, daily maximum | 17 | 18 | 20 | 23 | 26 | 29 | 30 | 30 | 29 | 26 | 21 | 19 |
| Rain days1 mm or more | 10 of 31 | 8 of 28 | 9 of 31 | 7 of 30 | 12 of 31 | 14 of 30 | 20 of 31 | 20 of 31 | 13 of 30 | 9 of 31 | 7 of 30 | 9 of 31 |
| Wetsuitfor that water and the air on kite days, + boots and gloves | 5/4 | 4/3 | 3/2 | spring | shorts | shorts | shorts | shorts | shorts | shorty | 3/2 | 4/3 |
- In January, Grand Isle averaged 18 kite days out of 31 (58 %). Water 15 °C, 5/4. 8 in 10 trips of 10 days starting in January got at least 5 kite days.
- In February, Grand Isle averaged 14 kite days out of 28 (50 %). Water 16 °C, 4/3. 6 in 10 trips of 10 days starting in February got at least 5 kite days.
- In March, Grand Isle averaged 16 kite days out of 31 (53 %). Water 20 °C, 3/2. 7 in 10 trips of 10 days starting in March got at least 5 kite days.
- In April, Grand Isle averaged 17 kite days out of 30 (56 %). Water 23 °C, spring suit. 7 in 10 trips of 10 days starting in April got at least 5 kite days.
- In May, Grand Isle averaged 15 kite days out of 31 (48 %). Water 27 °C, boardshorts. 5 in 10 trips of 10 days starting in May got at least 5 kite days.
- In June, Grand Isle averaged 11 kite days out of 30 (37 %). Water 30 °C, boardshorts. 3 in 10 trips of 10 days starting in June got at least 5 kite days.
- In July, Grand Isle averaged 6 kite days out of 31 (18 %). Water 31 °C, boardshorts. 1 in 10 trips of 10 days starting in July got at least 5 kite days.
- In August, Grand Isle averaged 5 kite days out of 31 (15 %). Water 32 °C, boardshorts. 1 in 10 trips of 10 days starting in August got at least 5 kite days.
- In September, Grand Isle averaged 9 kite days out of 30 (30 %). Water 30 °C, boardshorts. 3 in 10 trips of 10 days starting in September got at least 5 kite days.
- In October, Grand Isle averaged 15 kite days out of 31 (49 %). Water 26 °C, shorty. 6 in 10 trips of 10 days starting in October got at least 5 kite days.
- In November, Grand Isle averaged 15 kite days out of 30 (51 %). Water 22 °C, 3/2. 6 in 10 trips of 10 days starting in November got at least 5 kite days.
- In December, Grand Isle averaged 16 kite days out of 31 (50 %). Water 18 °C, 4/3. 7 in 10 trips of 10 days starting in December got at least 5 kite days.
Good year: at least half the days of that month were kite days. x in 10 reads: of all 10 day trips that started in that month between 2017 and 2025, x in 10 got at least 5 kite days. We cap the figure at 9 in 10 because wind is never a promise. Best hours: the hours from 10:00 on when the wind most often reaches 12 to 35 knots. Rain day: 1 mm or more of rain.
Source: ECMWF IFS 9 km via Open-Meteo, hourly model wind, 2017 to 2025; water temperature 2023 to 2025. How we count kite days and trip odds
Trip odds at Grand Isle
How often a trip of your length got at least half its days with kite wind, 2017 to 2025, capped at 9 in 10.
- January8 in 10 trips of 10 days got at least 5 kite days, about 5.5 expected
- February6 in 10 trips of 10 days got at least 5 kite days, about 5.1 expected
- March7 in 10 trips of 10 days got at least 5 kite days, about 5.4 expected
- April7 in 10 trips of 10 days got at least 5 kite days, about 5.5 expected
- May5 in 10 trips of 10 days got at least 5 kite days, about 4.7 expected
- June3 in 10 trips of 10 days got at least 5 kite days, about 3.3 expected
- July1 in 10 trips of 10 days got at least 5 kite days, about 1.8 expected
- August1 in 10 trips of 10 days got at least 5 kite days, about 1.7 expected
- September3 in 10 trips of 10 days got at least 5 kite days, about 3.3 expected
- October (now)6 in 10 trips of 10 days got at least 5 kite days, about 5.0 expected
- November6 in 10 trips of 10 days got at least 5 kite days, about 4.9 expected
- December7 in 10 trips of 10 days got at least 5 kite days, about 5.2 expected
x in 10 reads: of all 10 day trips that started in that month between 2017 and 2025, x in 10 got at least 5 kite days. We cap the figure at 9 in 10 because wind is never a promise.
Trip odds by start week
Pick your start week and trip length. Each cell: of all trips of that length that started in that week between 2017 and 2025, how many in 10 got at least half their days with kite wind.
Trip odds by start week, 10 day trips, 2017 to 2025
- 7
- 7
- 9
- 8
- 6
- 7
- 7
- 6
- 6
- 7
- 6
- 6
- 9
- 8
- 8
- 7
- 7
- 6
- 6
- 7
- 4
- 2
- 2
- 6
- 3
- 1
- 2
- 2
- 2
- 0
- 0
- 0
- 0
- 2
- 2
- 4
- 3
- 1
- 4
- 5
- 4
- 7
- 7
- 4
- 6
- 5
- 7
- 6
- 7
- 6
- 7
- 7
Colours as in the kite year: 6 in 10 and more like Prime · 4 to 5 in 10 like Good · 2 to 3 in 10 like Possible · under 2 in 10 like Off · No data hatched (fewer than 30 trips) · Ringed: this week · Raised: your start week
x in 10 reads: of all 10 day trips that started in that week between 2017 and 2025, x in 10 got at least 5 kite days. We cap the figure at 9 in 10 because wind is never a promise.
Source: hourly wind from the ECMWF IFS model via Open-Meteo, 2017 to 2025, kiteCOMPASS method v1. How we count
6 in 10
trips of 10 days starting in week 45 (e.g. 5 to 11 November) got at least 5 kite days in 2017 to 2025 (63 trips).
Zero wind trips: fewer than 1 in 20
about 4.9 kite days expected out of 10
Kite days per trip, 63 trips
Bars right of the line are good trips (5 kite days or more).
How the wind behaves
In January, the windiest month
- Too light 42 %
- Kiteable 58 %
- Too strong 0 %
Too light on 42 %, kiteable on 58 %, too strong on 0 % of days.
Best hours: 10:00 to 16:00, when the wind is most often 12 to 35 knots.
Share of kite days by wind direction, 16 sectors
Wind direction varies, most often N (0°).
Kitesurfing at Grand Isle: quick answers
When is the best time to kitesurf at Grand Isle?
The best months are November to April: from 2017 to 2025, 50 to 58 % of days in those months were kite days.
Is Grand Isle windy in October?
Yes, often. 49 % of days in October were kite days from 2017 to 2025, about 15 days in a typical October. 6 in 10 trips of 10 days starting in October got at least 5 kite days, 2017 to 2025.
What is the water temperature at Grand Isle?
The water ranges from 15 °C in January to 32 °C in August. In October it is about 26 °C (wetsuit: shorty).
How many kite days does Grand Isle get in a year?
About 157 days a year were kite days from 2017 to 2025, out of 365. A kite day has at least 3 hours of 12 to 35 kn model wind between 10:00 and 19:00 in daylight, with gusts up to 45 kn.
Live forecast
The numbers above are long term averages. The forecast shows the next days.
Live forecast from Windy
The forecast map for Grand Isle comes from windy.com (Windyty SE, Prague, Czech Republic) and opens right here on this page. Once you load it, your browser contacts Windy, which receives your IP address and may set its own cookies. Nothing is loaded before you click.
Spot facts
- Region
- Louisiana
- Country
- United States
- Water body
- Sea, from Natural Earth map data
- Nearest airport
- Louis Armstrong New Orleans International Airport (MSY), 91 km straight line. Flights are not sold here; this is for planning only.
- Time zone
- UTC-05:00 in October
- Coordinates
- 29.2031, -90.0372
- Model
- ECMWF IFS 9 km via Open-Meteo, hourly
Conditions, checked against kite guides
Water state, flat areas, waves and whether schools teach here, from kite sources, not from satellite images.
Not yet checked against kite guides. We research spot conditions one by one and show only what a kite source says.
Nearby kite spots in Louisiana
Kite days in October, % of days
- Cypremort Point Beach
United States · 21 points fewer kite days than Grand Isle in October
28 %Kite days by month at Cypremort Point Beach: Jan 37 %, Feb 42 %, Mar 47 %, Apr 54 %, May 43 %, Jun 32 %, Jul 13 %, Aug 13 %, Sep 14 %, Oct 28 %, Nov 29 %, Dec 30 %
Plan your trip
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kiteCOMPASS · method k3h-10to19-v1 · 2017 to 2025
Model wind: ECMWF IFS 9 km via Open-Meteo, hourly, 2017 to 2025. Water temperature: 2023 to 2025. Kite day: at least 3 hours of 12 to 35 kn model wind between 10:00 and 19:00 in daylight, with gusts up to 45 kn. Confidence: high.
Cite this
In October, 49 % of days at Grand Isle met the kiteCOMPASS kite day rule: at least 3 hours of 12 to 35 kn model wind between 10:00 and 19:00 in daylight, with gusts up to 45 kn (ECMWF IFS 9 km via Open-Meteo, hourly, 2017 to 2025). https://kitecompass.app/spot/grand-isle
Numbers on this page are free to reuse under CC BY 4.0: name kiteCOMPASS and link to this page.