Cast & TideSearch

Portsmouth Tide Chart

New Hampshire · NOAA station 8423745 (Portsmouth), 0 miactive

Next high tide 11:41 PM (7.8 ft) · day's range 9.0 ft

Low tide 4:48 AM, high tide 11:04 AM, low tide 5:23 PM, high tide 11:41 PM; tidal range 9.0 ft — big tides today.

Tide curve

4:48 AMLow0.6 ft11:04 AMHigh8.8 ft5:23 PMLow-0.3 ft11:41 PMHigh7.8 ft

Tomorrow: low 5:26 AM · high 11:42 AM · low 6:02 PM

11:04 AM11:41 PM11:42 AM12:22 AM12:20 PM1:01 AM12:58 PM1:41 AM1:38 PM2:24 AM2:21 PM4:48 AM5:23 PM5:26 AM6:02 PM6:04 AM6:41 PM6:42 AM7:20 PM7:22 AM8:01 PM8:04 AM8:45 PMMon 9Tue 10Wed 11Thu 12Fri 13Sat 14Sun 159.9-1.4
7-day tide table (accessible data)
DayTypeTimeHeight (ft)
Sun 8Low4:07 AM0.47
High10:24 AM8.79
Low4:41 PM-0.29
High10:59 PM7.94
Mon 9Low4:48 AM0.64
High11:04 AM8.75
Low5:23 PM-0.26
High11:41 PM7.79
Tue 10Low5:26 AM0.83
High11:42 AM8.63
Low6:02 PM-0.12
Wed 11High12:22 AM7.59
Low6:04 AM1.03
High12:20 PM8.46
Low6:41 PM0.08
Thu 12High1:01 AM7.38
Low6:42 AM1.23
High12:58 PM8.25
Low7:20 PM0.33
Fri 13High1:41 AM7.15
Low7:22 AM1.43
High1:38 PM8.02
Low8:01 PM0.58
Sat 14High2:24 AM6.95
Low8:04 AM1.61
High2:21 PM7.79
Low8:45 PM0.80

Day by day

Sun 8

  • 4:07 AM0.47 ftLow
  • 10:24 AM8.79 ftHigh
  • 4:41 PM-0.29 ftLow
  • 10:59 PM7.94 ftHigh
Light 05:57↑ 06:27↓ 16:28Dark 16:58

Mon 9

Today
  • 4:48 AM0.64 ftLow
  • 11:04 AM8.75 ftHigh
  • 5:23 PM-0.26 ftLow
  • 11:41 PM7.79 ftHigh
Light 05:58↑ 06:29↓ 16:27Dark 16:57

Tue 10

  • 5:26 AM0.83 ftLow
  • 11:42 AM8.63 ftHigh
  • 6:02 PM-0.12 ftLow
Light 06:00↑ 06:30↓ 16:26Dark 16:56

Wed 11

  • 12:22 AM7.59 ftHigh
  • 6:04 AM1.03 ftLow
  • 12:20 PM8.46 ftHigh
  • 6:41 PM0.08 ftLow
Light 06:01↑ 06:31↓ 16:25Dark 16:55

Thu 12

  • 1:01 AM7.38 ftHigh
  • 6:42 AM1.23 ftLow
  • 12:58 PM8.25 ftHigh
  • 7:20 PM0.33 ftLow
Light 06:02↑ 06:32↓ 16:24Dark 16:54

Fri 13

  • 1:41 AM7.15 ftHigh
  • 7:22 AM1.43 ftLow
  • 1:38 PM8.02 ftHigh
  • 8:01 PM0.58 ftLow
Light 06:03↑ 06:34↓ 16:23Dark 16:53

Sat 14

  • 2:24 AM6.95 ftHigh
  • 8:04 AM1.61 ftLow
  • 2:21 PM7.79 ftHigh
  • 8:45 PM0.80 ftLow
Light 06:05↑ 06:35↓ 16:22Dark 16:52

FAQ

What time is high tide in Portsmouth today?

Today in Portsmouth, high tide times are 11:04 AM (8.75 ft) and 11:41 PM (7.79 ft), local time (America/New_York), based on NOAA station 8423745.

What time is low tide in Portsmouth today?

Today's low tides in Portsmouth: 4:48 AM (0.64 ft) and 5:23 PM (-0.26 ft), local time, datum MLLW.

Is today good for fishing in Portsmouth?

Yes — solunar rates Portsmouth 5/5 today. Rule-of-thumb fishing window: 10:42 AM – 11:04 AM — the 2 hours before high tide, overlapping today's solunar major. Angler reference, not a guarantee.

Where is the tide measured for Portsmouth?

Tides for Portsmouth are predicted at NOAA CO-OPS station 8423745 (Portsmouth), measured right in Portsmouth — a subordinate station. Times are America/New_York (ET), heights in feet relative to MLLW datum.

Fishing
10:42 AM – 11:04 AM
Tide pools
—
Low tides dip below 1.5 ft only overnight — no practical daylight tidepooling window today.
0%
New Moon
5:58 AM
First light
6:29 AM
Sunrise
4:27 PM
Sunset
4:57 PM
Last light

Explore

Tide predictions for Portsmouth come from NOAA CO-OPS station 8423745 (Portsmouth) — measured right in Portsmouth — a subordinate station — predictions are derived by time/height offsets from a nearby harmonic reference station. Heights are in feet relative to the MLLW datum; all times are local to the station (America/New_York, ET). Source: NOAA Tides & Currents.

Data date: 2026-11-09 · page generated 2026-11-10 00:11 UTC · astronomical predictions, not observed water levels.