Water temperature in Summerville-Princeton-Southern Bay
Sea surface temperature · updated today, Thursday, October 29, at 2:38 am (GMT-2:30)- Today
- 46.0–46.0 °F
- Air today
- 34 / 47 °F
- Wed 4
- 44.4 °F
- Wetsuit
- 6/5 mm with hood, booties and gloves
Today the water in Summerville-Princeton-Southern Bay is 46.0 °F and ranges 46.0–46.0 °F through the day, with the air between 34 °F and 47 °F. It cools over the next few days: about 44.4 °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 Summerville-Princeton-Southern Bay (0.7 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 dropped 14.6 °F (from August 30).
Over the next few weeks the water looks a bit below normal (−1.2 °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 Summerville-Princeton-Southern Bay is about normal for late October today.
- 33.1° 33°JanJ
- 31.7° 32°FebF
- 31.5° 31°MarM
- 32.6° 33°AprA
- 36.1° 36°MayM
- 42.6° 43°JunJ
- 51.2° 51°JulJ
- 56.7° 57°AugA
- 53.8° 54°SepS
- 48.7° 49°OctO
- 42.2° 42°NovN
- 36.5° 36°DecD
- Monthly normal
- Today
- Best time
In Summerville-Princeton-Southern Bay the water is cold all year: it is warmest in August (56.7 °F on average). For a long swim, wear a wetsuit.
The water is warmest in August (56.7 °F on average) and coldest in March (31.5 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 9.6 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 | 46.0–46.0 °F | 34 / 47 °F | 0.9 ft |
| Fri 30 | 46.0–46.0 °F | 42 / 52 °F | 1.2 ft |
| Sat 31 | 45.7–46.0 °F | 35 / 48 °F | 1.5 ft |
| Sun 1 | 45.3–45.7 °F | 33 / 38 °F | 1.7 ft |
| Mon 2 | 45.0–45.1 °F | 34 / 48 °F | 1.2 ft |
| Tue 3 | 44.6–45.0 °F | 30 / 44 °F | 1.0 ft |
| Wed 4 | 44.4–44.4 °F | 29 / 40 °F | 0.9 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 | 46.2 °F | 46.0–46.2 °F |
| Tue 27 | 46.4 °F | 46.2–46.6 °F |
| Mon 26 | 46.6 °F | 46.4–46.6 °F |
| Sun 25 | 46.6 °F | 46.6–46.9 °F |
| Sat 24 | 46.8 °F | 46.6–46.8 °F |
| Fri 23 | 46.9 °F | 46.8–47.1 °F |
| Thu 22 | 47.3 °F | 47.1–47.3 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 47.5 °F | 47.3–47.7 °F |
| Tue 20 | 47.7 °F | 47.7–47.8 °F |
| Mon 19 | 47.8 °F | 47.8–48.0 °F |
| Sun 18 | 48.2 °F | 48.0–48.2 °F |
| Sat 17 | 48.4 °F | 48.2–48.4 °F |
| Fri 16 | 48.4 °F | 48.2–48.6 °F |
| Thu 15 | 48.7 °F | 48.6–48.9 °F |
| Wed 14 | 48.9 °F | 48.7–49.1 °F |
| Tue 13 | 49.5 °F | 49.3–49.6 °F |
| Mon 12 | 50.0 °F | 49.8–50.0 °F |
| Sun 11 | 50.2 °F | 50.0–50.4 °F |
| Sat 10 | 50.4 °F | 50.2–50.5 °F |
| Fri 9 | 50.9 °F | 50.7–51.3 °F |
| Thu 8 | 51.6 °F | 51.3–51.8 °F |
| Wed 7 | 51.4 °F | 51.1–52.5 °F |
| Tue 6 | 53.2 °F | 52.7–53.4 °F |
| Mon 5 | 53.4 °F | 53.4–53.6 °F |
| Sun 4 | 53.6 °F | 53.4–54.0 °F |
| Sat 3 | 53.8 °F | 53.6–54.1 °F |
| Fri 2 | 53.6 °F | 53.4–53.8 °F |
| Thu 1 | 53.2 °F | 53.1–53.4 °F |
| Wed 30 | 53.2 °F | 52.9–54.0 °F |
| Tue 29 | 52.9 °F | 52.7–53.1 °F |
| Mon 28 | 53.1 °F | 52.9–53.6 °F |
| Sun 27 | 53.1 °F | 52.9–53.4 °F |
| Sat 26 | 53.2 °F | 52.9–53.8 °F |
| Fri 25 | 53.2 °F | 52.9–53.8 °F |
| Thu 24 | 53.2 °F | 52.9–53.4 °F |
| Wed 23 | 53.4 °F | 53.4–53.8 °F |
| Tue 22 | 53.8 °F | 53.4–54.1 °F |
| Mon 21 | 53.8 °F | 53.4–54.1 °F |
| Sun 20 | 54.9 °F | 54.1–55.6 °F |
| Sat 19 | 56.7 °F | 55.6–57.2 °F |
| Fri 18 | 57.4 °F | 57.2–57.6 °F |
| Thu 17 | 57.4 °F | 57.0–57.7 °F |
| Wed 16 | 57.4 °F | 57.2–57.6 °F |
| Tue 15 | 57.6 °F | 57.4–57.9 °F |
| Mon 14 | 57.6 °F | 57.4–57.6 °F |
| Sun 13 | 57.2 °F | 56.7–57.7 °F |
| Sat 12 | 57.2 °F | 56.7–58.1 °F |
| Fri 11 | 58.1 °F | 57.9–58.3 °F |
| Thu 10 | 57.6 °F | 57.4–57.9 °F |
| Wed 9 | 57.9 °F | 57.6–59.0 °F |
| Tue 8 | 59.9 °F | 59.2–60.6 °F |
| Mon 7 | 59.9 °F | 59.2–60.8 °F |
| Sun 6 | 60.1 °F | 59.5–60.8 °F |
| Sat 5 | 61.5 °F | 60.8–61.9 °F |
| Fri 4 | 61.9 °F | 61.3–62.8 °F |
| Thu 3 | 61.9 °F | 61.3–62.8 °F |
| Wed 2 | 61.5 °F | 60.3–61.7 °F |
| Tue 1 | 59.7 °F | 59.5–59.9 °F |
| Mon 31 | 60.1 °F | 59.5–60.6 °F |
| Sun 30 | 60.8 °F | 60.4–61.3 °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 Summerville-Princeton-Southern BayQuestions
What's the water temperature today in Summerville-Princeton-Southern Bay?
46.0 °F; through the day it ranges 46.0–46.0 °F.
Will the water get warmer or colder?
It cools over the next few days: about 44.4 °F by Wednesday 4.
Which wetsuit do I need today?
With the water as it is today, 6/5 mm with hood, booties and gloves (very cold: full kit only). It's a rough guide: it depends on the wind and each person.
How warm is the water in Summerville-Princeton-Southern Bay in October?
In October, the water in Summerville-Princeton-Southern Bay averages 48.7 °F (1991–2020). For a long swim: 6/5 mm with hood, booties and gloves (very cold: full kit only).
How warm is the water in Summerville-Princeton-Southern Bay in August?
In August, the water in Summerville-Princeton-Southern Bay averages 56.7 °F (1991–2020), the warmest of the year. For a long swim: 5/4 mm with booties (cold: takes your breath away).
When is the best time to swim in Summerville-Princeton-Southern Bay?
In Summerville-Princeton-Southern Bay the water is cold all year: it is warmest in August (56.7 °F on average). For a long swim, wear a wetsuit. The water is warmest in August (56.7 °F on average) and coldest in March (31.5 °F).
Is the water warmer or colder than normal?
The water off Summerville-Princeton-Southern Bay is about normal for late October today.
More about Summerville-Princeton-Southern Bay today
Water temperature near Summerville-Princeton-Southern Bay
- Trinity 46.0 °F · 11 mi
- Port Rexton 45.3 °F · 11 mi
- Sandy Cove 46.0 °F · 16 mi
- Catalina 44.2 °F · 23 mi
- Hickman's Harbour-Robinson Bight 46.8 °F · 24 mi
- Traytown 45.5 °F · 24 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 3.0 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 2:38 am (local time).
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