TidePlanet

Water temperature in Byrum

Sea surface temperature · updated today, Thursday, October 29, at 12:27 am (CET)
Water now 53.4 °F
Today
53.2–53.4 °F
Air today
50 / 55 °F
Wed 4
52.7 °F
Wetsuit
5/4 mm with booties

Today the water in Byrum is 53.4 °F and ranges 53.2–53.4 °F through the day, with the air between 50 °F and 55 °F. It stays steady over the next few days.

Measured by satellite

2 days ago, 2.1 mi from Byrum 53.8 °F

This is the temperature satellites measured 2 days ago in the water just below the surface, at the nearest point of sea to Byrum (2.1 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

Water over the last 60 days

Over these days it has dropped 11.5 °F (from August 30).

Over the next few weeks the water looks a bit above normal (+0.7 °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 Byrum is warmer than normal for late October today (+2.4 °F).

In Byrum the water is cold all year: it is warmest in August (64.0 °F on average). For a long swim, wear a wetsuit.

The water is warmest in August (64.0 °F on average) and coldest in February (37.1 °F).

Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 9.8 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 53.2–53.4 °F 50 / 55 °F 2.1 ft
Fri 30 52.9–53.1 °F 51 / 55 °F 1.9 ft
Sat 31 52.9–53.2 °F 50 / 52 °F 0.5 ft
Sun 1 53.1–53.2 °F 51 / 52 °F 1.3 ft
Mon 2 52.7–53.1 °F 46 / 51 °F 2.1 ft
Tue 3 52.5–52.7 °F 46 / 52 °F 0.5 ft
Wed 4 52.5–52.9 °F 48 / 51 °F 2.2 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
Wed 28 53.4 °F53.2–53.4 °F
Tue 27 53.2 °F53.1–53.4 °F
Mon 26 53.6 °F53.2–54.0 °F
Sun 25 54.3 °F54.0–54.5 °F
Sat 24 54.3 °F54.3–54.5 °F
Fri 23 54.3 °F54.3–54.7 °F
Thu 22 54.7 °F54.5–54.7 °F
Show all 60 days
DayWaterLow / high
Wed 21 54.3 °F54.1–54.5 °F
Tue 20 54.1 °F54.0–54.1 °F
Mon 19 54.1 °F54.0–54.1 °F
Sun 18 54.1 °F54.1–54.5 °F
Sat 17 55.0 °F54.7–55.2 °F
Fri 16 55.4 °F55.2–55.4 °F
Thu 15 54.9 °F54.7–55.4 °F
Wed 14 55.0 °F54.7–55.6 °F
Tue 13 55.0 °F54.9–55.4 °F
Mon 12 55.4 °F55.2–55.9 °F
Sun 11 56.5 °F56.1–57.0 °F
Sat 10 57.0 °F57.0–57.0 °F
Fri 9 57.2 °F57.0–57.7 °F
Thu 8 58.6 °F57.9–58.8 °F
Wed 7 58.8 °F58.6–58.8 °F
Tue 6 59.2 °F58.8–59.5 °F
Mon 5 59.5 °F59.4–59.5 °F
Sun 4 59.7 °F59.5–60.1 °F
Sat 3 60.1 °F59.9–60.3 °F
Fri 2 60.4 °F60.3–60.4 °F
Thu 1 60.3 °F60.1–60.4 °F
Wed 30 60.1 °F59.9–60.4 °F
Tue 29 59.9 °F59.7–59.9 °F
Mon 28 59.9 °F59.9–60.1 °F
Sun 27 59.7 °F59.4–59.9 °F
Sat 26 59.9 °F59.7–59.9 °F
Fri 25 59.9 °F59.5–60.1 °F
Thu 24 60.1 °F59.7–60.4 °F
Wed 23 59.4 °F59.0–59.7 °F
Tue 22 59.7 °F59.4–60.1 °F
Mon 21 59.7 °F59.5–59.9 °F
Sun 20 60.3 °F59.9–60.4 °F
Sat 19 60.3 °F60.1–60.6 °F
Fri 18 60.4 °F60.3–60.4 °F
Thu 17 60.6 °F60.4–60.8 °F
Wed 16 61.2 °F61.0–61.9 °F
Tue 15 61.5 °F61.3–61.9 °F
Mon 14 61.7 °F61.5–61.9 °F
Sun 13 61.9 °F61.7–62.1 °F
Sat 12 61.7 °F61.5–61.9 °F
Fri 11 61.7 °F61.5–61.7 °F
Thu 10 61.9 °F61.5–62.2 °F
Wed 9 62.2 °F61.9–62.4 °F
Tue 8 62.4 °F62.2–62.4 °F
Mon 7 62.2 °F61.9–62.4 °F
Sun 6 62.2 °F62.1–62.6 °F
Sat 5 63.0 °F62.6–63.3 °F
Fri 4 63.3 °F63.3–63.7 °F
Thu 3 63.7 °F63.5–63.9 °F
Wed 2 64.2 °F64.0–64.8 °F
Tue 1 64.8 °F64.6–64.9 °F
Mon 31 64.8 °F64.6–64.9 °F
Sun 30 64.9 °F64.8–64.9 °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 ByrumQuestions

What's the water temperature today in Byrum?

53.4 °F; through the day it ranges 53.2–53.4 °F.

Will the water get warmer or colder?

It stays steady over the next few days.

Which wetsuit do I need today?

With the water as it is today, 5/4 mm with booties (cold: takes your breath away). It's a rough guide: it depends on the wind and each person.

How warm is the water in Byrum in October?

In October, the water in Byrum averages 53.1 °F (1991–2020). For a long swim: 5/4 mm with booties (cold: takes your breath away).

How warm is the water in Byrum in August?

In August, the water in Byrum averages 64.0 °F (1991–2020), the warmest of the year. For a long swim: 3/2 mm (mild).

When is the best time to swim in Byrum?

In Byrum the water is cold all year: it is warmest in August (64.0 °F on average). For a long swim, wear a wetsuit. The water is warmest in August (64.0 °F on average) and coldest in February (37.1 °F).

Is the water warmer or colder than normal?

The water off Byrum is warmer than normal for late October today (+2.4 °F).

More about Byrum today

Water temperature near Byrum

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 2.8 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 12:27 am (local time).

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