TidePlanet

Water temperature in Bide Arm

Sea surface temperature · updated today, Thursday, October 29, at 3:15 am (GMT-2:30)
Water now 39.4 °F
Today
39.2–39.4 °F
Air today
35 / 42 °F
Wed 4
38.5 °F
Wetsuit
6/5 mm with hood, booties and gloves

Today the water in Bide Arm is 39.4 °F and ranges 39.2–39.4 °F through the day, with the air between 35 °F and 42 °F. It stays steady over the next few days.

Measured by satellite

2 days ago, 0.5 mi from Bide Arm 39.9 °F

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

Water over the last 60 days

Over these days it has dropped 18.2 °F (from August 30).

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

Water temperature by month vs. normal

The water off Bide Arm is about normal for late October today.

In Bide Arm the water is cold all year: it is warmest in August (53.7 °F on average). For a long swim, wear a wetsuit.

The water is warmest in August (53.7 °F on average) and coldest in March (30.9 °F).

Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 11 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 39.2–39.4 °F 35 / 42 °F 1.3 ft
Fri 30 39.4–39.6 °F 39 / 49 °F 2.4 ft
Sat 31 39.0–39.4 °F 31 / 38 °F 1.4 ft
Sun 1 38.8–39.0 °F 27 / 39 °F 1.6 ft
Mon 2 38.7–38.8 °F 32 / 43 °F 2.7 ft
Tue 3 38.5–38.7 °F 27 / 34 °F 2.2 ft
Wed 4 38.5–38.5 °F 26 / 37 °F 3.3 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 39.7 °F39.4–40.3 °F
Tue 27 40.8 °F40.3–41.2 °F
Mon 26 41.2 °F41.0–41.2 °F
Sun 25 41.4 °F41.0–41.7 °F
Sat 24 41.5 °F41.2–41.7 °F
Fri 23 42.1 °F41.9–42.4 °F
Thu 22 42.6 °F42.6–42.8 °F
Show all 60 days
DayWaterLow / high
Wed 21 42.8 °F42.6–43.0 °F
Tue 20 42.8 °F42.6–43.2 °F
Mon 19 42.6 °F42.6–42.8 °F
Sun 18 43.0 °F42.8–43.2 °F
Sat 17 43.2 °F43.2–43.3 °F
Fri 16 43.3 °F43.2–43.3 °F
Thu 15 43.7 °F43.5–43.9 °F
Wed 14 44.1 °F43.7–44.4 °F
Tue 13 44.2 °F44.1–44.2 °F
Mon 12 44.2 °F44.2–44.4 °F
Sun 11 44.6 °F44.4–44.6 °F
Sat 10 44.6 °F44.6–44.6 °F
Fri 9 44.6 °F44.4–44.8 °F
Thu 8 44.6 °F44.4–44.8 °F
Wed 7 45.1 °F44.8–45.5 °F
Tue 6 45.7 °F45.5–45.9 °F
Mon 5 46.2 °F45.9–46.4 °F
Sun 4 46.8 °F46.4–47.5 °F
Sat 3 48.4 °F47.7–48.7 °F
Fri 2 48.4 °F48.2–48.7 °F
Thu 1 48.4 °F48.0–48.7 °F
Wed 30 48.2 °F47.3–48.9 °F
Tue 29 46.9 °F46.6–47.3 °F
Mon 28 46.9 °F46.4–47.7 °F
Sun 27 46.6 °F46.4–46.9 °F
Sat 26 47.1 °F46.8–47.7 °F
Fri 25 47.3 °F46.9–47.8 °F
Thu 24 47.3 °F46.9–47.8 °F
Wed 23 47.1 °F46.8–47.5 °F
Tue 22 46.9 °F46.6–46.9 °F
Mon 21 46.8 °F46.6–47.1 °F
Sun 20 47.3 °F46.8–48.0 °F
Sat 19 49.8 °F48.2–50.9 °F
Fri 18 52.0 °F50.9–52.9 °F
Thu 17 53.6 °F53.1–54.0 °F
Wed 16 54.0 °F53.8–54.1 °F
Tue 15 53.8 °F53.2–54.3 °F
Mon 14 53.4 °F53.2–53.4 °F
Sun 13 53.2 °F53.1–53.4 °F
Sat 12 53.4 °F53.2–53.8 °F
Fri 11 53.6 °F53.2–54.0 °F
Thu 10 53.2 °F53.1–53.4 °F
Wed 9 53.6 °F53.2–54.1 °F
Tue 8 54.0 °F53.8–54.0 °F
Mon 7 54.0 °F54.0–54.1 °F
Sun 6 54.3 °F54.1–54.3 °F
Sat 5 54.5 °F54.1–55.8 °F
Fri 4 57.0 °F56.1–58.1 °F
Thu 3 57.4 °F57.0–57.7 °F
Wed 2 57.6 °F57.2–57.9 °F
Tue 1 57.4 °F57.2–57.6 °F
Mon 31 57.0 °F56.8–57.6 °F
Sun 30 57.9 °F57.6–58.8 °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 Bide ArmQuestions

What's the water temperature today in Bide Arm?

39.4 °F; through the day it ranges 39.2–39.4 °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, 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 Bide Arm in October?

In October, the water in Bide Arm averages 42.3 °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 Bide Arm in August?

In August, the water in Bide Arm averages 53.7 °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 Bide Arm?

In Bide Arm the water is cold all year: it is warmest in August (53.7 °F on average). For a long swim, wear a wetsuit. The water is warmest in August (53.7 °F on average) and coldest in March (30.9 °F).

Is the water warmer or colder than normal?

The water off Bide Arm is about normal for late October today.

More about Bide Arm today

Water temperature near Bide Arm

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 3:15 am (local time).

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