Don't Die Fishing

DON'T DIE FISHING / MARINA · GULF OF MAINE

Portsmouth Harbor conditions

Monday, September 28 · updated Mon, 9:05 AM EDT

PUBLIC REFERENCE

MODERATE POWERBOAT

Portsmouth Harbor last known conditions: GO (planning score 26/100) — wind 13 kts / 15.6 kts, waves 0 ft / 1 sec. This snapshot is stale; verify official forecasts and warnings before making a trip decision.

VERDICT

PUBLIC REFERENCE · MODERATE POWERBOAT

STATUS

26

GO

PLANNING SCORE 26/100

LOWER IS BETTER

FRESHNESS

STALE

43 MIN AGO

VESSEL

Moderate powerboat

MODERATE · POWERBOAT

WHY

Wind / Gusts: 13 kts / 15.6 kts

Wind / Gusts10.1

Marine Warnings8.3

Precipitation6.2

SOURCE

CONFIDENCE

MED

MED · 7/11 SIGNALS AVAILABLE

Some scored signals are unavailable; this label describes data completeness, not probability.

NEXT ACTION

This last-known result is stale. Verify official forecasts and warnings before departure.

METHOD & SOURCES ↗

This verdict uses a moderate powerboat reference profile. Create a free account to score it for your boat and thresholds.

TODAY'S SIGNALS

RAW VALUES

WIND

13 kt

GUSTS

15.6 kt

WAVES

0 ft

VISIBILITY

—

AIR

59°F

WATER

60°F

NEXT 24 HOURS

NWS HOURLY

09:00

Light Rain.

13 kt

56° · 83%

24

10:00

Light Rain.

13 kt

56° · 87%

24

11:00

Light Rain.

13 kt

57° · 90%

25

12:00

Light Rain.

13 kt

57° · 89%

24

13:00

Light Rain.

13 kt

58° · 87%

24

14:00

Light Rain.

13 kt

58° · 86%

24

15:00

Light Rain.

13 kt

58° · 86%

24

16:00

Light Rain.

13 kt

57° · 86%

24

17:00

Light Rain.

13 kt

57° · 86%

24

18:00

Light Rain.

13 kt

56° · 87%

24

19:00

Light Rain.

8.7 kt

55° · 87%

19

20:00

Light Rain.

8.7 kt

54° · 87%

19

21:00

Light Rain.

8.7 kt

53° · 81%

19

22:00

Light Rain.

8.7 kt

52° · 76%

18

23:00

Light Rain Likely.

4.3 kt

52° · 70%

12

00:00

Light Rain Likely.

4.3 kt

52° · 61%

11

01:00

Chance Light Rain.

4.3 kt

52° · 53%

11

02:00

Chance Light Rain.

4.3 kt

52° · 44%

10

03:00

Chance Light Rain.

4.3 kt

52° · 37%

9

04:00

Chance Light Rain.

4.3 kt

51° · 30%

8

05:00

Patchy Fog.

4.3 kt

51° · 23%

20

06:00

Patchy Fog.

4.3 kt

51° · 19%

20

07:00

Patchy Fog.

4.3 kt

50° · 15%

19

08:00

Patchy Fog.

4.3 kt

53° · 11%

19

NEXT 7 DAYS

NWS

TodayLight Rain13 kt59°26

TuesdayPatchy Fog then Mostly Cloudy4.3 kt66°27

WednesdayPartly Sunny4.3 kt69°18

ThursdayMostly Sunny4.3 kt76°18

FridayMostly Sunny8.7 kt76°19

SaturdayMostly Sunny4.3 kt66°19

SundayChance Rain Showers4.3 kt64°20

TIDE & SOLUNAR

high at 2026-09-28 16:58 · 9.4 ft

SUNRISE 06:37 · SUNSET 18:30

MAJOR FEEDING

00:40 – 02:40 · 13:05 – 15:05

REGULATION REFERENCES IN NEW HAMPSHIRE

Atlantic CodBAG 1 fish per day · MIN 23 inLISTED OPEN

Atlantic MackerelBAG 25 fish per person per day; 50 fish per day from a licensed saltwater for-hire fishing vessel · MIN —LISTED OPEN

BluefishBAG 5 fish per day for private anglers; 7 fish per day from a licensed saltwater for-hire fishing vessel · MIN —LISTED OPEN

ALL New Hampshire REFERENCES →

Know before you go

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COMMUNITY OBSERVATIONS

LAST 24 HOURS

Boaters on the water share what the wind, waves, and visibility are actually doing — within the last 24 hours. These community observations are unverified and do not change the DDF planning verdict. Sign in to read community observations and add your own.

Planning guidance only — conditions change and regulation statuses are listings, not permission to fish or retain a catch. Verify official forecasts, warnings, and rules before you launch.