Water temperature in Grand-Jacques
Sea surface temperature · updated today, Thursday, October 29, at 12:17 am (GMT)- Today
- 81.7–83.3 °F
- Air today
- 78 / 84 °F
- Wed 4
- 83.4 °F
- Wetsuit
- No wetsuit
Today the water in Grand-Jacques is 82.2 °F and ranges 81.7–83.3 °F through the day, with the air between 78 °F and 84 °F. It warms over the next few days: about 83.4 °F by Wednesday 4.
Measured by satellite
This is the temperature satellites measured 2 days ago in the water just below the surface, at the nearest point of sea to Grand-Jacques (0.5 mi away), from NASA's MUR analysis, which sees the water in 1 km detail. It isn't a forecast: the big figure above is what a model gives for right now. On sunny afternoons the top of the water can be a little warmer.
Satellite: NASA MUR (JPL MUR MEaSUREs, PO.DAAC), doi:10.5067/GHGMR-4FJ04. Sources and licenses
The water over the next few days
- Today
- Fri 30
- Sat 31
- Sun 1
- Mon 2
- Tue 3
- Wed 4
- Thu 5
- Fri 6
- Sat 7
Water over the last 60 days
Over these days it has risen 7.9 °F (from August 30).
Over the next few weeks the water looks a bit above normal (+0.8 °F), according to ECMWF 46-day.
Daily average and its range (low and high). The dotted line is the forecast.
Water temperature by month vs. normal
The water off Grand-Jacques is warmer than normal for late October today (+2.3 °F).
- 81.1° 81°JanJ
- 81.3° 81°FebF
- 82.0° 82°MarM
- 83.0° 83°AprA
- 83.1° 83°MayM
- 80.7° 81°JunJ
- 77.0° 77°JulJ
- 74.7° 75°AugA
- 75.7° 76°SepS
- 79.1° 79°OctO
- 82.6° 83°NovN
- 82.7° 83°DecD
- Monthly normal
- Today
In Grand-Jacques the water is pleasant year-round: 74.7–83.1 °F on average, depending on the month.
The water is warmest in May (83.1 °F on average) and coldest in August (74.7 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 7.3 mi away). Right by the shore, the water can be a little colder or warmer. Sources and licenses
Water and air, day by day
| Day | Water | Air | Max wave |
|---|---|---|---|
| Today | 81.7–83.3 °F | 78 / 84 °F | 2.7 ft |
| Fri 30 | 82.4–83.5 °F | 77 / 82 °F | 2.4 ft |
| Sat 31 | 82.4–84.0 °F | 78 / 84 °F | 2.8 ft |
| Sun 1 | 82.8–84.7 °F | 78 / 84 °F | 3.1 ft |
| Mon 2 | 83.5–84.9 °F | 79 / 84 °F | 3.1 ft |
| Tue 3 | 83.5–84.6 °F | 78 / 84 °F | 3.0 ft |
| Wed 4 | 82.9–83.8 °F | 78 / 84 °F | 3.0 ft |
Which wetsuit to wear
| Water | Wetsuit | How it feels |
|---|---|---|
| < 52 °F | 6/5 mm with hood, booties and gloves | Very cold: full kit only |
| 52°–57 °F | 5/4 mm with booties | Cold: takes your breath away |
| 57°–63 °F | 4/3 mm | Cool |
| 63°–66 °F | 3/2 mm | Mild |
| 66°–72 °F | Shorty (springsuit) | Pleasant |
| 72°–75 °F | Rash guard or top | Very pleasant |
| > 75 °F | No wetsuit | Warm |
A rough guide: it depends on the wind, how long you stay in and each person.
Fish are cold-blooded: the water sets their activity. Sudden temperature changes usually put them off the bite; with steady water, activity is more regular.
Previous days
The water over the last 60 days.
| Day | Water | Low / high |
|---|---|---|
| Wed 28 | 82.8 °F | 82.0–83.1 °F |
| Tue 27 | 83.1 °F | 82.9–83.5 °F |
| Mon 26 | 83.1 °F | 82.6–83.3 °F |
| Sun 25 | 83.3 °F | 82.8–84.0 °F |
| Sat 24 | 82.9 °F | 82.0–83.7 °F |
| Fri 23 | 82.4 °F | 81.5–82.9 °F |
| Thu 22 | 81.9 °F | 81.0–82.8 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 81.3 °F | 80.8–81.9 °F |
| Tue 20 | 81.3 °F | 80.4–82.2 °F |
| Mon 19 | 80.8 °F | 79.5–81.7 °F |
| Sun 18 | 80.2 °F | 79.5–80.8 °F |
| Sat 17 | 80.4 °F | 79.7–81.1 °F |
| Fri 16 | 80.4 °F | 79.3–81.1 °F |
| Thu 15 | 79.9 °F | 78.8–80.8 °F |
| Wed 14 | 78.4 °F | 77.5–79.2 °F |
| Tue 13 | 77.9 °F | 77.2–78.4 °F |
| Mon 12 | 77.7 °F | 77.0–78.3 °F |
| Sun 11 | 77.7 °F | 77.2–78.4 °F |
| Sat 10 | 78.3 °F | 77.5–79.0 °F |
| Fri 9 | 78.1 °F | 77.0–78.8 °F |
| Thu 8 | 76.8 °F | 75.7–77.5 °F |
| Wed 7 | 76.1 °F | 75.2–77.0 °F |
| Tue 6 | 75.2 °F | 74.5–75.6 °F |
| Mon 5 | 75.7 °F | 75.2–76.1 °F |
| Sun 4 | 76.3 °F | 75.6–76.6 °F |
| Sat 3 | 76.5 °F | 75.4–77.2 °F |
| Fri 2 | 75.6 °F | 74.3–76.8 °F |
| Thu 1 | 73.6 °F | 72.7–74.5 °F |
| Wed 30 | 73.6 °F | 72.9–73.9 °F |
| Tue 29 | 74.3 °F | 73.8–74.5 °F |
| Mon 28 | 74.8 °F | 74.5–75.0 °F |
| Sun 27 | 75.7 °F | 75.2–76.5 °F |
| Sat 26 | 76.3 °F | 75.2–77.2 °F |
| Fri 25 | 76.1 °F | 75.2–76.8 °F |
| Thu 24 | 75.6 °F | 74.7–76.5 °F |
| Wed 23 | 74.7 °F | 73.0–75.7 °F |
| Tue 22 | 73.6 °F | 73.0–74.3 °F |
| Mon 21 | 73.9 °F | 73.4–74.1 °F |
| Sun 20 | 75.4 °F | 74.3–76.1 °F |
| Sat 19 | 76.6 °F | 76.1–77.2 °F |
| Fri 18 | 75.9 °F | 75.6–76.1 °F |
| Thu 17 | 76.1 °F | 75.4–76.6 °F |
| Wed 16 | 76.8 °F | 75.9–78.1 °F |
| Tue 15 | 78.1 °F | 77.0–79.2 °F |
| Mon 14 | 77.9 °F | 77.5–78.3 °F |
| Sun 13 | 77.9 °F | 77.2–78.6 °F |
| Sat 12 | 78.3 °F | 77.4–79.2 °F |
| Fri 11 | 77.4 °F | 77.0–77.7 °F |
| Thu 10 | 77.9 °F | 77.5–78.3 °F |
| Wed 9 | 78.1 °F | 77.5–79.0 °F |
| Tue 8 | 78.1 °F | 76.8–79.2 °F |
| Mon 7 | 77.4 °F | 76.3–78.6 °F |
| Sun 6 | 76.6 °F | 76.1–76.8 °F |
| Sat 5 | 76.5 °F | 75.9–76.8 °F |
| Fri 4 | 77.0 °F | 76.5–77.5 °F |
| Thu 3 | 76.8 °F | 76.3–77.2 °F |
| Wed 2 | 76.3 °F | 75.2–77.2 °F |
| Tue 1 | 75.0 °F | 74.1–75.9 °F |
| Mon 31 | 74.3 °F | 73.8–75.2 °F |
| Sun 30 | 74.8 °F | 73.9–76.1 °F |
It's the daily analysis from Météo-France / Copernicus Marine (satellites, buoys and model), not a buoy reading at this spot.
Questions about the water in Grand-JacquesQuestions
What's the water temperature today in Grand-Jacques?
82.2 °F; through the day it ranges 81.7–83.3 °F.
Will the water get warmer or colder?
It warms over the next few days: about 83.4 °F by Wednesday 4.
Which wetsuit do I need today?
With the water as it is today, no wetsuit (warm). It's a rough guide: it depends on the wind and each person.
How warm is the water in Grand-Jacques in October?
In October, the water in Grand-Jacques averages 79.1 °F (1991–2020). For a long swim: no wetsuit (warm).
How warm is the water in Grand-Jacques in May?
In May, the water in Grand-Jacques averages 83.1 °F (1991–2020), the warmest of the year. For a long swim: no wetsuit (warm).
When is the best time to swim in Grand-Jacques?
In Grand-Jacques the water is pleasant year-round: 74.7–83.1 °F on average, depending on the month. The water is warmest in May (83.1 °F on average) and coldest in August (74.7 °F).
Is the water warmer or colder than normal?
The water off Grand-Jacques is warmer than normal for late October today (+2.3 °F).
More about Grand-Jacques today
Water temperature near Grand-Jacques
- Akrou 82.6 °F · 7.6 mi
- Petit Badien 82.8 °F · 13 mi
- Tiébiéssou 83.5 °F · 31 mi
- Marcory 82.9 °F · 34 mi
Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.
Learn more
Sea surface temperature: Open-Meteo with Météo-France / Copernicus Marine, CC BY 4.0; grid point 1.0 mi away. Near the shore, in coves and estuaries, the water can be a little colder or warmer.
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 12:17 am (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from