TidePlanet

Water temperature in Alnwick

Sea surface temperature · updated today, Wednesday, October 28, at 9:51 pm (ADT)
Water now 47.1 °F
Today
46.9–47.5 °F
Air today
31 / 49 °F
Tue 3
45.8 °F
Wetsuit
6/5 mm with hood, booties and gloves

Today the water in Alnwick is 47.1 °F and ranges 46.9–47.5 °F through the day, with the air between 31 °F and 49 °F. It cools over the next few days: about 45.8 °F by Tuesday 3.

The water over the next few days

Water over the last 60 days

Over these days it has dropped 21.8 °F (from August 29).

Daily average and its range (low and high). The dotted line is the forecast.

Water temperature by month vs. normal

The water off Alnwick is colder than normal for late October today (−1.0 °F).

The best time to swim in Alnwick is in August, when the water averages 64.7–64.7 °F.

The water is warmest in August (64.7 °F on average) and coldest in March (31.0 °F).

Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 16 mi away). Right by the shore, the water can be a little colder or warmer. Sources and licenses

Water and air, day by day

DayWaterAirMax wave
Today 46.9–47.5 °F 31 / 49 °F 0.9 ft
Thu 29 46.8–47.1 °F 37 / 61 °F 1.6 ft
Fri 30 46.9–47.7 °F 43 / 58 °F 1.7 ft
Sat 31 46.9–47.5 °F 31 / 44 °F 1.4 ft
Sun 1 46.2–46.8 °F 28 / 49 °F 0.9 ft
Mon 2 46.0–46.4 °F 37 / 53 °F 1.1 ft
Tue 3 45.5–46.0 °F 33 / 46 °F 1.0 ft

Which wetsuit to wear

WaterWetsuitHow it feels
< 52 °F6/5 mm with hood, booties and glovesVery cold: full kit only
52°–57 °F5/4 mm with bootiesCold: takes your breath away
57°–63 °F4/3 mmCool
63°–66 °F3/2 mmMild
66°–72 °FShorty (springsuit)Pleasant
72°–75 °FRash guard or topVery pleasant
> 75 °FNo wetsuitWarm

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.

DayWaterLow / high
Tue 27 47.8 °F47.7–48.2 °F
Mon 26 48.4 °F48.2–48.6 °F
Sun 25 48.4 °F47.8–48.9 °F
Sat 24 48.6 °F48.4–48.9 °F
Fri 23 49.3 °F48.9–49.6 °F
Thu 22 49.5 °F49.3–49.6 °F
Wed 21 49.8 °F49.6–50.2 °F
Show all 60 days
DayWaterLow / high
Tue 20 49.8 °F49.6–50.0 °F
Mon 19 49.8 °F49.6–50.0 °F
Sun 18 50.2 °F50.0–50.7 °F
Sat 17 51.1 °F50.7–51.4 °F
Fri 16 51.6 °F51.3–52.2 °F
Thu 15 52.5 °F52.3–52.9 °F
Wed 14 52.9 °F52.9–53.2 °F
Tue 13 53.8 °F53.4–54.1 °F
Mon 12 54.5 °F54.1–54.9 °F
Sun 11 55.0 °F54.9–55.6 °F
Sat 10 55.9 °F55.6–56.3 °F
Fri 9 56.5 °F56.3–56.7 °F
Thu 8 56.7 °F56.5–56.8 °F
Wed 7 57.0 °F56.8–57.6 °F
Tue 6 58.3 °F57.6–58.8 °F
Mon 5 59.0 °F58.8–59.2 °F
Sun 4 59.2 °F58.8–59.7 °F
Sat 3 59.4 °F59.0–59.7 °F
Fri 2 60.1 °F59.5–60.3 °F
Thu 1 59.9 °F59.4–60.4 °F
Wed 30 59.9 °F59.4–60.4 °F
Tue 29 60.8 °F60.3–61.0 °F
Mon 28 61.2 °F61.0–61.3 °F
Sun 27 61.3 °F61.0–61.7 °F
Sat 26 61.3 °F60.8–61.9 °F
Fri 25 61.3 °F60.6–62.2 °F
Thu 24 61.3 °F60.6–62.2 °F
Wed 23 61.2 °F60.6–61.7 °F
Tue 22 61.7 °F61.3–61.9 °F
Mon 21 62.1 °F61.7–62.4 °F
Sun 20 62.4 °F62.2–63.0 °F
Sat 19 63.3 °F63.1–63.9 °F
Fri 18 63.9 °F63.3–64.2 °F
Thu 17 64.2 °F63.5–64.8 °F
Wed 16 63.9 °F63.7–64.2 °F
Tue 15 63.3 °F62.8–64.0 °F
Mon 14 63.3 °F63.0–63.9 °F
Sun 13 63.1 °F62.8–63.5 °F
Sat 12 63.5 °F62.6–64.2 °F
Fri 11 63.7 °F63.3–64.0 °F
Thu 10 63.9 °F63.5–64.2 °F
Wed 9 64.0 °F63.7–64.6 °F
Tue 8 65.1 °F64.6–65.5 °F
Mon 7 65.5 °F65.1–65.7 °F
Sun 6 66.4 °F65.8–67.1 °F
Sat 5 67.5 °F67.1–68.0 °F
Fri 4 68.2 °F68.0–68.5 °F
Thu 3 68.7 °F68.5–68.9 °F
Wed 2 68.9 °F68.5–69.3 °F
Tue 1 68.9 °F68.7–69.3 °F
Mon 31 68.9 °F68.5–69.1 °F
Sun 30 69.3 °F68.7–69.6 °F
Sat 29 69.6 °F69.1–70.0 °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 AlnwickQuestions

What's the water temperature today in Alnwick?

47.1 °F; through the day it ranges 46.9–47.5 °F.

Will the water get warmer or colder?

It cools over the next few days: about 45.8 °F by Tuesday 3.

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 Alnwick in October?

In October, the water in Alnwick averages 52.2 °F (1991–2020). For a long swim: 5/4 mm with booties (cold: takes your breath away).

How warm is the water in Alnwick in August?

In August, the water in Alnwick averages 64.7 °F (1991–2020), the warmest of the year. For a long swim: 3/2 mm (mild).

When is the best time to swim in Alnwick?

The best time to swim in Alnwick is in August, when the water averages 64.7–64.7 °F. The water is warmest in August (64.7 °F on average) and coldest in March (31.0 °F).

Is the water warmer or colder than normal?

The water off Alnwick is colder than normal for late October today (−1.0 °F).

More about Alnwick today

Water temperature near Alnwick

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 6.5 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 9:51 pm (local time).

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