12 (日)	07:45	01:16	20:31	14:08
	107cm	44cm	92cm	40cm
小潮 出 06:30 入 17:16 出 23:30 入 09:38

那珂湊（茨城）2023年02月12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
2/12 00:00	50.0	↓-1.6
2/12 00:10	48.5	↓-1.5
2/12 00:20	47.2	↓-1.3
2/12 00:30	46.2	↓-1.0
2/12 00:40	45.3	↓-0.9
2/12 00:50	44.6	↓-0.7
2/12 01:00	44.2	↓-0.4
2/12 01:10	44.0	↓-0.2	干潮
2/12 01:20	44.0	0
2/12 01:30	44.2	↑0.2
2/12 01:40	44.6	↑0.4
2/12 01:50	45.2	↑0.6
2/12 02:00	46.0	↑0.8
2/12 02:10	47.1	↑1.1
2/12 02:20	48.3	↑1.2
2/12 02:30	49.7	↑1.4
2/12 02:40	51.2	↑1.5
2/12 02:50	52.9	↑1.7
2/12 03:00	54.8	↑1.9
2/12 03:10	56.7	↑1.9
2/12 03:20	58.8	↑2.1
2/12 03:30	61.0	↑2.2
2/12 03:40	63.3	↑2.3
2/12 03:50	65.6	↑2.3
2/12 04:00	68.1	↑2.5
2/12 04:10	70.5	↑2.4
2/12 04:20	73.0	↑2.5
2/12 04:30	75.5	↑2.5
2/12 04:40	78.0	↑2.5
2/12 04:50	80.5	↑2.5
2/12 05:00	82.9	↑2.4
2/12 05:10	85.3	↑2.4
2/12 05:20	87.7	↑2.4
2/12 05:30	89.9	↑2.2
2/12 05:40	92.1	↑2.2
2/12 05:50	94.2	↑2.1
2/12 06:00	96.2	↑2.0
2/12 06:10	98.0	↑1.8
2/12 06:20	99.7	↑1.7
2/12 06:30	101.2	↑1.5
2/12 06:40	102.6	↑1.4
2/12 06:50	103.8	↑1.2
2/12 07:00	104.8	↑1.0
2/12 07:10	105.6	↑0.8
2/12 07:20	106.2	↑0.6
2/12 07:30	106.6	↑0.4
2/12 07:40	106.8	↑0.2	満潮
2/12 07:50	106.8	0
2/12 08:00	106.6	↓-0.2
2/12 08:10	106.1	↓-0.5
2/12 08:20	105.4	↓-0.7
2/12 08:30	104.5	↓-0.9
2/12 08:40	103.4	↓-1.1
2/12 08:50	102.1	↓-1.3
2/12 09:00	100.5	↓-1.6
2/12 09:10	98.8	↓-1.7
2/12 09:20	96.9	↓-1.9
2/12 09:30	94.9	↓-2.0
2/12 09:40	92.6	↓-2.3
2/12 09:50	90.3	↓-2.3
2/12 10:00	87.8	↓-2.5
2/12 10:10	85.2	↓-2.6
2/12 10:20	82.5	↓-2.7
2/12 10:30	79.8	↓-2.7
2/12 10:40	77.0	↓-2.8	最大潮位差
2/12 10:50	74.2	↓-2.8	最大潮位差
2/12 11:00	71.4	↓-2.8	最大潮位差
2/12 11:10	68.6	↓-2.8	最大潮位差
2/12 11:20	65.9	↓-2.7
2/12 11:30	63.2	↓-2.7
2/12 11:40	60.6	↓-2.6
2/12 11:50	58.0	↓-2.6
2/12 12:00	55.6	↓-2.4
2/12 12:10	53.3	↓-2.3
2/12 12:20	51.2	↓-2.1
2/12 12:30	49.2	↓-2.0
2/12 12:40	47.4	↓-1.8
2/12 12:50	45.8	↓-1.6
2/12 13:00	44.3	↓-1.5
2/12 13:10	43.1	↓-1.2
2/12 13:20	42.0	↓-1.1
2/12 13:30	41.1	↓-0.9
2/12 13:40	40.5	↓-0.6
2/12 13:50	40.1	↓-0.4
2/12 14:00	39.8	↓-0.3	干潮
2/12 14:10	39.8	0
2/12 14:20	39.9	↑0.1
2/12 14:30	40.3	↑0.4
2/12 14:40	40.8	↑0.5
2/12 14:50	41.5	↑0.7
2/12 15:00	42.4	↑0.9
2/12 15:10	43.4	↑1.0
2/12 15:20	44.6	↑1.2
2/12 15:30	46.0	↑1.4
2/12 15:40	47.4	↑1.4
2/12 15:50	49.0	↑1.6
2/12 16:00	50.7	↑1.7
2/12 16:10	52.5	↑1.8
2/12 16:20	54.3	↑1.8
2/12 16:30	56.3	↑2.0
2/12 16:40	58.2	↑1.9
2/12 16:50	60.3	↑2.1
2/12 17:00	62.3	↑2.0
2/12 17:10	64.4	↑2.1
2/12 17:20	66.5	↑2.1
2/12 17:30	68.6	↑2.1
2/12 17:40	70.7	↑2.1
2/12 17:50	72.7	↑2.0
2/12 18:00	74.7	↑2.0
2/12 18:10	76.6	↑1.9
2/12 18:20	78.5	↑1.9
2/12 18:30	80.3	↑1.8
2/12 18:40	82.0	↑1.7
2/12 18:50	83.6	↑1.6
2/12 19:00	85.0	↑1.4
2/12 19:10	86.4	↑1.4
2/12 19:20	87.6	↑1.2
2/12 19:30	88.7	↑1.1
2/12 19:40	89.6	↑0.9
2/12 19:50	90.3	↑0.7
2/12 20:00	90.9	↑0.6
2/12 20:10	91.4	↑0.5
2/12 20:20	91.6	↑0.2
2/12 20:30	91.7	↑0.1	満潮
2/12 20:40	91.6	↓-0.1
2/12 20:50	91.4	↓-0.2
2/12 21:00	90.9	↓-0.5
2/12 21:10	90.4	↓-0.5
2/12 21:20	89.6	↓-0.8
2/12 21:30	88.7	↓-0.9
2/12 21:40	87.7	↓-1.0
2/12 21:50	86.5	↓-1.2
2/12 22:00	85.2	↓-1.3
2/12 22:10	83.8	↓-1.4
2/12 22:20	82.3	↓-1.5
2/12 22:30	80.7	↓-1.6
2/12 22:40	79.0	↓-1.7
2/12 22:50	77.3	↓-1.7
2/12 23:00	75.6	↓-1.7
2/12 23:10	73.9	↓-1.7
2/12 23:20	72.2	↓-1.7
2/12 23:30	70.4	↓-1.8
2/12 23:40	68.8	↓-1.6
2/12 23:50	67.2	↓-1.6