12 (月)	09:13	02:28	23:22	16:41
	106cm	63cm	80cm	40cm
小潮 出 06:29 入 17:17 出 11:13 入 00:28

那珂湊（茨城）2057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	72.3	↓-1.1
2/12 00:10	71.3	↓-1.0
2/12 00:20	70.2	↓-1.1
2/12 00:30	69.2	↓-1.0
2/12 00:40	68.2	↓-1.0
2/12 00:50	67.2	↓-1.0
2/12 01:00	66.3	↓-0.9
2/12 01:10	65.5	↓-0.8
2/12 01:20	64.8	↓-0.7
2/12 01:30	64.1	↓-0.7
2/12 01:40	63.6	↓-0.5
2/12 01:50	63.1	↓-0.5
2/12 02:00	62.8	↓-0.3
2/12 02:10	62.5	↓-0.3
2/12 02:20	62.4	↓-0.1	干潮
2/12 02:30	62.3	↓-0.1
2/12 02:40	62.4	↑0.1
2/12 02:50	62.6	↑0.2
2/12 03:00	62.9	↑0.3
2/12 03:10	63.4	↑0.5
2/12 03:20	63.9	↑0.5
2/12 03:30	64.6	↑0.7
2/12 03:40	65.3	↑0.7
2/12 03:50	66.2	↑0.9
2/12 04:00	67.1	↑0.9
2/12 04:10	68.1	↑1.0
2/12 04:20	69.3	↑1.2
2/12 04:30	70.5	↑1.2
2/12 04:40	71.8	↑1.3
2/12 04:50	73.1	↑1.3
2/12 05:00	74.5	↑1.4
2/12 05:10	76.0	↑1.5
2/12 05:20	77.5	↑1.5
2/12 05:30	79.1	↑1.6
2/12 05:40	80.7	↑1.6
2/12 05:50	82.3	↑1.6
2/12 06:00	84.0	↑1.7
2/12 06:10	85.7	↑1.7
2/12 06:20	87.3	↑1.6
2/12 06:30	89.0	↑1.7
2/12 06:40	90.6	↑1.6
2/12 06:50	92.3	↑1.7
2/12 07:00	93.8	↑1.5
2/12 07:10	95.4	↑1.6
2/12 07:20	96.8	↑1.4
2/12 07:30	98.2	↑1.4
2/12 07:40	99.5	↑1.3
2/12 07:50	100.8	↑1.3
2/12 08:00	101.9	↑1.1
2/12 08:10	102.9	↑1.0
2/12 08:20	103.8	↑0.9
2/12 08:30	104.5	↑0.7
2/12 08:40	105.1	↑0.6
2/12 08:50	105.5	↑0.4
2/12 09:00	105.8	↑0.3
2/12 09:10	106.0	↑0.2	満潮
2/12 09:20	105.9	↓-0.1
2/12 09:30	105.7	↓-0.2
2/12 09:40	105.3	↓-0.4
2/12 09:50	104.7	↓-0.6
2/12 10:00	104.0	↓-0.7
2/12 10:10	103.1	↓-0.9
2/12 10:20	102.0	↓-1.1
2/12 10:30	100.8	↓-1.2
2/12 10:40	99.4	↓-1.4
2/12 10:50	97.8	↓-1.6
2/12 11:00	96.1	↓-1.7
2/12 11:10	94.3	↓-1.8
2/12 11:20	92.4	↓-1.9
2/12 11:30	90.3	↓-2.1
2/12 11:40	88.2	↓-2.1
2/12 11:50	86.0	↓-2.2
2/12 12:00	83.7	↓-2.3
2/12 12:10	81.3	↓-2.4
2/12 12:20	79.0	↓-2.3
2/12 12:30	76.6	↓-2.4
2/12 12:40	74.1	↓-2.5	最大潮位差
2/12 12:50	71.7	↓-2.4
2/12 13:00	69.3	↓-2.4
2/12 13:10	66.9	↓-2.4
2/12 13:20	64.6	↓-2.3
2/12 13:30	62.3	↓-2.3
2/12 13:40	60.1	↓-2.2
2/12 13:50	58.0	↓-2.1
2/12 14:00	55.9	↓-2.1
2/12 14:10	54.0	↓-1.9
2/12 14:20	52.1	↓-1.9
2/12 14:30	50.3	↓-1.8
2/12 14:40	48.7	↓-1.6
2/12 14:50	47.2	↓-1.5
2/12 15:00	45.8	↓-1.4
2/12 15:10	44.5	↓-1.3
2/12 15:20	43.4	↓-1.1
2/12 15:30	42.3	↓-1.1
2/12 15:40	41.5	↓-0.8
2/12 15:50	40.7	↓-0.8
2/12 16:00	40.1	↓-0.6
2/12 16:10	39.6	↓-0.5
2/12 16:20	39.3	↓-0.3
2/12 16:30	39.1	↓-0.2
2/12 16:40	39.1	0	干潮
2/12 16:50	39.1	0
2/12 17:00	39.3	↑0.2
2/12 17:10	39.7	↑0.4
2/12 17:20	40.1	↑0.4
2/12 17:30	40.7	↑0.6
2/12 17:40	41.4	↑0.7
2/12 17:50	42.2	↑0.8
2/12 18:00	43.2	↑1.0
2/12 18:10	44.2	↑1.0
2/12 18:20	45.3	↑1.1
2/12 18:30	46.5	↑1.2
2/12 18:40	47.8	↑1.3
2/12 18:50	49.2	↑1.4
2/12 19:00	50.6	↑1.4
2/12 19:10	52.1	↑1.5
2/12 19:20	53.7	↑1.6
2/12 19:30	55.3	↑1.6
2/12 19:40	56.9	↑1.6
2/12 19:50	58.5	↑1.6
2/12 20:00	60.2	↑1.7
2/12 20:10	61.8	↑1.6
2/12 20:20	63.4	↑1.6
2/12 20:30	65.0	↑1.6
2/12 20:40	66.5	↑1.5
2/12 20:50	68.0	↑1.5
2/12 21:00	69.5	↑1.5
2/12 21:10	70.8	↑1.3
2/12 21:20	72.1	↑1.3
2/12 21:30	73.3	↑1.2
2/12 21:40	74.5	↑1.2
2/12 21:50	75.5	↑1.0
2/12 22:00	76.4	↑0.9
2/12 22:10	77.2	↑0.8
2/12 22:20	77.9	↑0.7
2/12 22:30	78.5	↑0.6
2/12 22:40	79.0	↑0.5
2/12 22:50	79.3	↑0.3
2/12 23:00	79.6	↑0.3
2/12 23:10	79.7	↑0.1
2/12 23:20	79.8	↑0.1	満潮
2/12 23:30	79.8	0
2/12 23:40	79.6	↓-0.2
2/12 23:50	79.4	↓-0.2