Portsmouth Harbor Tide

Friday 20 March 2026, 06:59 PM

Welcome to Portsmouth Harbor, a notable point for marine activities. The water is currently at 34.3 °F , setting the stage for the day.

Your Portsmouth Harbor tide forecast for today involves 4 shifts. These shifts could influence your marine activities.

Throughout the week, tides will range between -1 feet and 10.5 feet, demonstrating a significant tidal range. Keep this in mind as you plan your maritime endeavors.

So whether you're fishing, exploring, or simply enjoying the ocean's natural beauty, Portsmouth Harbor offers a complex tidal landscape that's worth noting.

More about Portsmouth Harbor tide

Tide Schedule
Tide Graph
Tide Tomorrow

Today's tide in Portsmouth Harbor

Stay informed with real-time tide updates for Portsmouth Harbor

Tide	Time	Height (feet)
High tide	12:29 AM	10.1
Low tide	06:39 AM	-0.8
High tide	12:54 PM	9.9
Low tide	06:55 PM	-0.5

Please note: Tidal data for Portsmouth Harbor is subject to slight variations due to atmospheric conditions and other influencing factors. Always exercise caution when relying on tide forecasts for critical activities in this area.

Next high tide

6 hours 10 minutes

06:59 PM

01:10 AM

Next High Tide in Portsmouth Harbor is at 01:10 AM which is in 6 hours 10 minutes from now

Next low tide

12 hours 23 minutes

06:59 PM

07:23 AM

Next Low Tide in Portsmouth Harbor is at 07:23 AM which is in 12 hours 23 minutes from now

Portsmouth Harbor Tide Schedule

Dive into Portsmouth Harbor's tidal rhythm.

Date	1st Tide	2st Tide	3st Tide	4st Tide
Friday, 20 Mar	12:29 AM ↑10.1	06:39 AM ↓-0.8	12:54 PM ↑9.9	06:55 PM ↓-0.5
Saturday, 21 Mar	01:10 AM ↑10.4	07:23 AM ↓-1	01:39 PM ↑9.8	07:37 PM ↓-0.4
Sunday, 22 Mar	01:53 AM ↑10.5	08:11 AM ↓-1	02:28 PM ↑9.5	08:23 PM ↓-0.1
Monday, 23 Mar	02:41 AM ↑10.4	09:03 AM ↓-0.8	03:22 PM ↑9.1	09:15 PM ↓0.3
Tuesday, 24 Mar	03:35 AM ↑10.2	10:00 AM ↓-0.5	04:22 PM ↑8.7	10:13 PM ↓0.7
Wednesday, 25 Mar	04:35 AM ↑9.9	11:05 AM ↓-0.1	05:28 PM ↑8.4	11:19 PM ↓1.1
Thursday, 26 Mar	05:42 AM ↑9.5	12:15 PM ↓0.2	06:40 PM ↑8.2

Important notice

The tide data provided for Portsmouth Harbor on this website is intended for informational purposes only and should NOT be used for navigation or any activities requiring precise tidal predictions. Users are strongly advised to consult official and certified tidal charts or local maritime authorities for navigation and other critical activities. We do not guarantee the accuracy, completeness, or timeliness of the information provided and will not be held responsible for any decisions or actions taken based on this data for Portsmouth Harbor.

Tide forecast for Portsmouth Harbor

Anticipate the ebb and flow. A comprehensive look at tidal trends in New York Bay for the upcoming week

Highest tide 10.5 feet

Lowest tide -1 feet

For the latest and most accurate Portsmouth Harbor tide forecast, ensure you check back here regularly. Offering the insights you need for Portsmouth Harbor marine activities, boating and beach planning.