TidesMap

Charlestown tides

Charles River Entrance · Massachusetts · NOAA 8443838

Now

High tide

4:47 am

next9.1 ft

Tide curve Today

7 days tap a day

Tide table, next 7 days

Today in Charlestown, high tide is at 4:47 am and 5:03 pm and low tide at 10:47 am and 11:30 pm.

High and low tides for Charlestown, local time
Monday 2 November6:19 am 4:36 pm · Last quarter
High4:47 am9.1 ft
Low10:47 am1.3 ft
High5:03 pm9.9 ft
Low11:30 pm0.4 ft
Tuesday 3 November6:20 am 4:35 pm · Waning crescent
High5:53 am9.3 ft
Low11:54 am1.2 ft
High6:11 pm9.7 ft
Wednesday 4 November6:21 am 4:34 pm · Waning crescent
Low12:32 am0.5 ft
High6:55 am9.5 ft
Low1:00 pm1.0 ft
High7:18 pm9.6 ft
Thursday 5 November6:23 am 4:32 pm · Waning crescent
Low1:31 am0.6 ft
High7:53 am9.9 ft
Low2:02 pm0.7 ft
High8:19 pm9.6 ft
Friday 6 November6:24 am 4:31 pm · Waning crescent
Low2:25 am0.6 ft
High8:44 am10.2 ft
Low2:58 pm0.3 ft
High9:13 pm9.6 ft
Saturday 7 November6:25 am 4:30 pm · Waning crescent
Low3:14 am0.6 ft
High9:29 am10.4 ft
Low3:47 pm0.0 ft
High10:00 pm9.6 ft
Sunday 8 November6:26 am 4:29 pm · New moon
Low3:58 am0.7 ft
High10:10 am10.5 ft
Low4:31 pm−0.1 ft
High10:44 pm9.5 ft

King tides and lowest tides

The highest highs and lowest lows NOAA predicts here over the next 12 months, at least 4 days apart.

Bars compare the five dates in each list. Tap a date for that month’s full table.

About this station

Charlestown is a subordinate NOAA station in Massachusetts. Its high and low tides are offsets from the reference station Boston (8443970); the curve between them is a smooth estimate.

Water level range, next 13 monthsMLLW
−1.8 ftlowest · 23 Jan11.8 fthighest · 26 Nov
Today 0.4 to 9.9 ftZero (minus tides below: 184)
  • Avg. tidal range9.1 fthigh to next low
  • Tides per day42 highs, 2 lows · 6 h 13 m apart
  • Highest, 13 mo11.8 ft26 Nov 2026, 11:49 am
  • Lowest, 13 mo−1.8 ft23 Jan 2027, 5:50 pm
  • Minus tides184lows below zero, 13 mo

Nearest stations

42.3717° N, 71.0550° W · NOAA 8443838 · Eastern time

NOAA predictions page for 8443838

Charlestown tide FAQ

When is high tide in Charlestown next?

The next high tide is at 4:47 am today (Monday 2 November), reaching 9.1 ft. After that, the next high is at 5:03 pm today (Monday 2 November) (9.9 ft).

When are today’s low tides in Charlestown?

There are two low tides today: 10:47 am (1.3 ft) and 11:30 pm (0.4 ft).

How often does the tide change in Charlestown?

The tide normally turns four times a day: two highs and two lows, about 6 h 13 min apart on average. The two highs of a day are usually similar in height. 54 of the 398 days in NOAA’s predictions have only three turns of the tide.

How much does the water rise and fall in Charlestown?

On average the tide rises or falls 9.1 ft from one turn to the next, and 9.9 ft from the day’s highest to lowest water. The biggest predicted swing in the next 13 months is 13.5 ft.

When are the biggest tides in Charlestown?

The year’s top tide is predicted at 11.8 ft on Thursday 26 November 2026 at 11:49 am (waning gibbous). Other king tides: 11.8 ft on 25 December 2026, 11.8 ft on 6 July 2027 and 11.8 ft on 2 August 2027. The lowest is −1.8 ft on 23 January 2027 at 5:50 pm.

What are today’s best fishing times in Charlestown?

The best bets today are 5:20–7:20 am (moon overhead, around sunrise). These solunar periods line up with sunrise, sunset or a turn of the tide.

Figures from NOAA CO-OPS predictions for station 8443838, next 13 months. Heights above MLLW.