20 (木)	07:46	01:15	22:04	15:04
	109cm	62cm	80cm	33cm
小潮 出 06:20 入 17:25 出 - 入 09:45

那珂湊（茨城）2025年02月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/20 00:00	65.5	↓-0.9
2/20 00:10	64.6	↓-0.9
2/20 00:20	63.8	↓-0.8
2/20 00:30	63.2	↓-0.6
2/20 00:40	62.6	↓-0.6
2/20 00:50	62.2	↓-0.4
2/20 01:00	61.9	↓-0.3
2/20 01:10	61.8	↓-0.1	干潮
2/20 01:20	61.8	0
2/20 01:30	62.0	↑0.2
2/20 01:40	62.3	↑0.3
2/20 01:50	62.7	↑0.4
2/20 02:00	63.3	↑0.6
2/20 02:10	64.0	↑0.7
2/20 02:20	64.9	↑0.9
2/20 02:30	65.8	↑0.9
2/20 02:40	66.9	↑1.1
2/20 02:50	68.2	↑1.3
2/20 03:00	69.5	↑1.3
2/20 03:10	70.9	↑1.4
2/20 03:20	72.4	↑1.5
2/20 03:30	74.0	↑1.6
2/20 03:40	75.6	↑1.6
2/20 03:50	77.3	↑1.7
2/20 04:00	79.1	↑1.8
2/20 04:10	80.9	↑1.8
2/20 04:20	82.7	↑1.8
2/20 04:30	84.5	↑1.8
2/20 04:40	86.3	↑1.8
2/20 04:50	88.1	↑1.8
2/20 05:00	90.0	↑1.9
2/20 05:10	91.7	↑1.7
2/20 05:20	93.5	↑1.8
2/20 05:30	95.2	↑1.7
2/20 05:40	96.8	↑1.6
2/20 05:50	98.3	↑1.5
2/20 06:00	99.8	↑1.5
2/20 06:10	101.2	↑1.4
2/20 06:20	102.5	↑1.3
2/20 06:30	103.7	↑1.2
2/20 06:40	104.7	↑1.0
2/20 06:50	105.7	↑1.0
2/20 07:00	106.5	↑0.8
2/20 07:10	107.1	↑0.6
2/20 07:20	107.6	↑0.5
2/20 07:30	108.0	↑0.4
2/20 07:40	108.1	↑0.1	満潮
2/20 07:50	108.1	0
2/20 08:00	107.9	↓-0.2
2/20 08:10	107.6	↓-0.3
2/20 08:20	107.0	↓-0.6
2/20 08:30	106.3	↓-0.7
2/20 08:40	105.4	↓-0.9
2/20 08:50	104.3	↓-1.1
2/20 09:00	103.0	↓-1.3
2/20 09:10	101.5	↓-1.5
2/20 09:20	99.9	↓-1.6
2/20 09:30	98.1	↓-1.8
2/20 09:40	96.1	↓-2.0
2/20 09:50	94.0	↓-2.1
2/20 10:00	91.8	↓-2.2
2/20 10:10	89.4	↓-2.4
2/20 10:20	86.9	↓-2.5
2/20 10:30	84.3	↓-2.6
2/20 10:40	81.7	↓-2.6
2/20 10:50	79.0	↓-2.7
2/20 11:00	76.2	↓-2.8
2/20 11:10	73.4	↓-2.8
2/20 11:20	70.5	↓-2.9	最大潮位差
2/20 11:30	67.7	↓-2.8
2/20 11:40	64.9	↓-2.8
2/20 11:50	62.1	↓-2.8
2/20 12:00	59.4	↓-2.7
2/20 12:10	56.8	↓-2.6
2/20 12:20	54.2	↓-2.6
2/20 12:30	51.7	↓-2.5
2/20 12:40	49.3	↓-2.4
2/20 12:50	47.1	↓-2.2
2/20 13:00	45.0	↓-2.1
2/20 13:10	43.0	↓-2.0
2/20 13:20	41.2	↓-1.8
2/20 13:30	39.6	↓-1.6
2/20 13:40	38.1	↓-1.5
2/20 13:50	36.7	↓-1.4
2/20 14:00	35.6	↓-1.1
2/20 14:10	34.6	↓-1.0
2/20 14:20	33.8	↓-0.8
2/20 14:30	33.2	↓-0.6
2/20 14:40	32.7	↓-0.5
2/20 14:50	32.4	↓-0.3
2/20 15:00	32.3	↓-0.1	干潮
2/20 15:10	32.3	0
2/20 15:20	32.5	↑0.2
2/20 15:30	32.8	↑0.3
2/20 15:40	33.3	↑0.5
2/20 15:50	33.9	↑0.6
2/20 16:00	34.7	↑0.8
2/20 16:10	35.6	↑0.9
2/20 16:20	36.6	↑1.0
2/20 16:30	37.7	↑1.1
2/20 16:40	38.9	↑1.2
2/20 16:50	40.2	↑1.3
2/20 17:00	41.6	↑1.4
2/20 17:10	43.0	↑1.4
2/20 17:20	44.5	↑1.5
2/20 17:30	46.1	↑1.6
2/20 17:40	47.8	↑1.7
2/20 17:50	49.5	↑1.7
2/20 18:00	51.2	↑1.7
2/20 18:10	52.9	↑1.7
2/20 18:20	54.7	↑1.8
2/20 18:30	56.4	↑1.7
2/20 18:40	58.2	↑1.8
2/20 18:50	59.9	↑1.7
2/20 19:00	61.6	↑1.7
2/20 19:10	63.3	↑1.7
2/20 19:20	64.9	↑1.6
2/20 19:30	66.5	↑1.6
2/20 19:40	68.0	↑1.5
2/20 19:50	69.5	↑1.5
2/20 20:00	70.8	↑1.3
2/20 20:10	72.1	↑1.3
2/20 20:20	73.3	↑1.2
2/20 20:30	74.4	↑1.1
2/20 20:40	75.4	↑1.0
2/20 20:50	76.2	↑0.8
2/20 21:00	77.0	↑0.8
2/20 21:10	77.7	↑0.7
2/20 21:20	78.2	↑0.5
2/20 21:30	78.6	↑0.4
2/20 21:40	78.9	↑0.3
2/20 21:50	79.1	↑0.2
2/20 22:00	79.2	↑0.1	満潮
2/20 22:10	79.2	0
2/20 22:20	79.1	↓-0.1
2/20 22:30	78.9	↓-0.2
2/20 22:40	78.6	↓-0.3
2/20 22:50	78.2	↓-0.4
2/20 23:00	77.8	↓-0.4
2/20 23:10	77.3	↓-0.5
2/20 23:20	76.8	↓-0.5
2/20 23:30	76.3	↓-0.5
2/20 23:40	75.8	↓-0.5
2/20 23:50	75.2	↓-0.6