Portsmouth tides
New Hampshire · NOAA 8423745Now
Low tide
10:34 pm
Tide curve Today
7 days tap a day
Best fishing times
TodayWeekend outlook
How these times are worked out
Major periods are the two hours centred on the moon passing overhead or underfoot; minor periods are the hour centred on moonrise and moonset (solunar tables). Moon and sun times are computed for this station’s position with the PyEphem astronomy library; high and low tides are NOAA predictions. A period is marked best bet when it overlaps sunrise or sunset (within an hour) or contains a high or low tide. This is a traditional angler’s rule of thumb, not a guarantee, and it does not include weather, season or local rules.
Tide table, next 7 days
Today in Portsmouth, high tide is at 3:54 am and 4:08 pm and low tide at 9:43 am and 10:34 pm.
| Sunday 1 November6:18 am 4:35 pm · Last quarter | ||
|---|---|---|
| High | 3:54 am | 7.6 ft |
| Low | 9:43 am | 0.8 ft |
| High | 4:08 pm | 8.6 ft |
| Low | 10:34 pm | 0.0 ft |
| Monday 2 November6:19 am 4:34 pm · Last quarter | ||
| High | 5:02 am | 7.6 ft |
| Low | 10:53 am | 0.9 ft |
| High | 5:18 pm | 8.3 ft |
| Low | 11:40 pm | 0.2 ft |
| Tuesday 3 November6:20 am 4:32 pm · Waning crescent | ||
| High | 6:08 am | 7.7 ft |
| Low | 12:04 pm | 0.9 ft |
| High | 6:27 pm | 8.2 ft |
| Wednesday 4 November6:22 am 4:31 pm · Waning crescent | ||
| Low | 12:45 am | 0.3 ft |
| High | 7:11 am | 8.0 ft |
| Low | 1:14 pm | 0.7 ft |
| High | 7:34 pm | 8.1 ft |
| Thursday 5 November6:23 am 4:30 pm · Waning crescent | ||
| Low | 1:44 am | 0.3 ft |
| High | 8:07 am | 8.3 ft |
| Low | 2:15 pm | 0.3 ft |
| High | 8:33 pm | 8.1 ft |
| Friday 6 November6:24 am 4:29 pm · Waning crescent | ||
| Low | 2:37 am | 0.3 ft |
| High | 8:57 am | 8.5 ft |
| Low | 3:09 pm | 0.0 ft |
| High | 9:26 pm | 8.1 ft |
| Saturday 7 November6:25 am 4:27 pm · Waning crescent | ||
| Low | 3:24 am | 0.3 ft |
| High | 9:43 am | 8.7 ft |
| Low | 3:57 pm | −0.2 ft |
| High | 10:14 pm | 8.1 ft |
Monthly tide tables
Printable tables with every high and low, sunrise, sunset and moon phases.
Nearby stations
- Seavey Island, ME1 mi
- Atlantic Heights, NH1 mi
- Fort Point, NH2 mi
- Jaffrey Point, NH2 mi
- Kittery Point, ME2 mi
- Gerrish Island, ME3 mi
- Seapoint, ME5 mi
- Dover Point, NH5 mi
King tides and lowest tides
The highest highs and lowest lows NOAA predicts here over the next 12 months, at least 4 days apart.
Highest high tides
Bars compare the five dates in each list. Tap a date for that month’s full table.
About this station
Portsmouth is a NOAA subordinate station in New Hampshire. NOAA predicts only its high and low tides, by applying time and height offsets to the reference station Portland (8418150).
- Avg. tidal range7.7 fthigh to next low
- Tides per day42 highs, 2 lows · 6 h 13 m apart
- Highest, 13 mo10.0 ft25 Dec 2026, 11:46 am
- Lowest, 13 mo−1.6 ft23 Jan 2027, 5:55 pm
- Minus tides210lows below zero, 13 mo
Nearest stations
43.0783° N, 70.7517° W · NOAA 8423745 · Eastern time
Portsmouth tide FAQ
When is the next high tide in Portsmouth?
The next high tide is at 5:02 am tomorrow (Monday 2 November), reaching 7.6 ft. After that, the next high is at 5:18 pm tomorrow (Monday 2 November) (8.3 ft).
When is low tide today in Portsmouth?
There are two low tides today: 9:43 am (0.8 ft) and 10:34 pm (0.0 ft).
How many tides a day does Portsmouth get?
Usually two highs and two lows a day, 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.
What is the tidal range in Portsmouth?
The average change from one high to the next low is 7.7 ft. From the day’s highest to its lowest water it averages 8.4 ft, and the biggest single swing predicted in the next 13 months is 11.5 ft.
When are the king tides in Portsmouth this year?
The highest predicted tide is 10.0 ft on Friday 25 December 2026 at 11:46 am (waning gibbous). Other king tides: 10.0 ft on 6 July 2027, 10.0 ft on 4 August 2027 and 9.9 ft on 23 January 2027. The lowest is −1.6 ft on 23 January 2027 at 5:55 pm.
What is the best time to fish in Portsmouth today?
The best bets today are 4:26–6:26 am (moon overhead, around sunrise), 4:53–6:53 pm (moon underfoot, around sunset) and 10:24–11:24 pm (moonrise, with the 10:34 pm low tide). These solunar periods line up with sunrise, sunset or a turn of the tide.
Figures from NOAA CO-OPS predictions for station 8423745, next 13 months. Heights above MLLW.