12 (火)	06:48	12:12	17:59	-
	109cm	58cm	110cm	-
中潮 出 06:29 入 17:17 出 20:40 入 08:32

那珂湊（茨城）2058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	13.1	↓-0.1
2/12 00:10	13.3	↑0.2
2/12 00:20	13.9	↑0.6
2/12 00:30	14.7	↑0.8
2/12 00:40	15.8	↑1.1
2/12 00:50	17.3	↑1.5
2/12 01:00	18.9	↑1.6
2/12 01:10	20.8	↑1.9
2/12 01:20	23.0	↑2.2
2/12 01:30	25.4	↑2.4
2/12 01:40	28.0	↑2.6
2/12 01:50	30.8	↑2.8
2/12 02:00	33.7	↑2.9
2/12 02:10	36.8	↑3.1
2/12 02:20	40.1	↑3.3
2/12 02:30	43.4	↑3.3
2/12 02:40	46.9	↑3.5
2/12 02:50	50.4	↑3.5
2/12 03:00	54.0	↑3.6
2/12 03:10	57.6	↑3.6
2/12 03:20	61.3	↑3.7	最大潮位差
2/12 03:30	64.9	↑3.6
2/12 03:40	68.5	↑3.6
2/12 03:50	72.1	↑3.6
2/12 04:00	75.6	↑3.5
2/12 04:10	79.0	↑3.4
2/12 04:20	82.3	↑3.3
2/12 04:30	85.5	↑3.2
2/12 04:40	88.6	↑3.1
2/12 04:50	91.5	↑2.9
2/12 05:00	94.2	↑2.7
2/12 05:10	96.7	↑2.5
2/12 05:20	99.0	↑2.3
2/12 05:30	101.1	↑2.1
2/12 05:40	103.0	↑1.9
2/12 05:50	104.6	↑1.6
2/12 06:00	106.0	↑1.4
2/12 06:10	107.1	↑1.1
2/12 06:20	108.0	↑0.9
2/12 06:30	108.6	↑0.6
2/12 06:40	108.9	↑0.3	満潮
2/12 06:50	109.0	↑0.1
2/12 07:00	108.8	↓-0.2
2/12 07:10	108.3	↓-0.5
2/12 07:20	107.6	↓-0.7
2/12 07:30	106.6	↓-1.0
2/12 07:40	105.4	↓-1.2
2/12 07:50	104.0	↓-1.4
2/12 08:00	102.4	↓-1.6
2/12 08:10	100.6	↓-1.8
2/12 08:20	98.6	↓-2.0
2/12 08:30	96.5	↓-2.1
2/12 08:40	94.3	↓-2.2
2/12 08:50	91.9	↓-2.4
2/12 09:00	89.5	↓-2.4
2/12 09:10	87.0	↓-2.5
2/12 09:20	84.5	↓-2.5
2/12 09:30	82.0	↓-2.5
2/12 09:40	79.4	↓-2.6
2/12 09:50	77.0	↓-2.4
2/12 10:00	74.6	↓-2.4
2/12 10:10	72.2	↓-2.4
2/12 10:20	70.0	↓-2.2
2/12 10:30	67.9	↓-2.1
2/12 10:40	66.0	↓-1.9
2/12 10:50	64.2	↓-1.8
2/12 11:00	62.6	↓-1.6
2/12 11:10	61.2	↓-1.4
2/12 11:20	60.0	↓-1.2
2/12 11:30	59.0	↓-1.0
2/12 11:40	58.2	↓-0.8
2/12 11:50	57.6	↓-0.6
2/12 12:00	57.3	↓-0.3
2/12 12:10	57.1	↓-0.2	干潮
2/12 12:20	57.2	↑0.1
2/12 12:30	57.5	↑0.3
2/12 12:40	58.1	↑0.6
2/12 12:50	58.8	↑0.7
2/12 13:00	59.7	↑0.9
2/12 13:10	60.9	↑1.2
2/12 13:20	62.2	↑1.3
2/12 13:30	63.6	↑1.4
2/12 13:40	65.3	↑1.7
2/12 13:50	67.0	↑1.7
2/12 14:00	68.9	↑1.9
2/12 14:10	70.9	↑2.0
2/12 14:20	73.0	↑2.1
2/12 14:30	75.2	↑2.2
2/12 14:40	77.4	↑2.2
2/12 14:50	79.7	↑2.3
2/12 15:00	82.0	↑2.3
2/12 15:10	84.3	↑2.3
2/12 15:20	86.7	↑2.4
2/12 15:30	88.9	↑2.2
2/12 15:40	91.2	↑2.3
2/12 15:50	93.4	↑2.2
2/12 16:00	95.5	↑2.1
2/12 16:10	97.5	↑2.0
2/12 16:20	99.4	↑1.9
2/12 16:30	101.2	↑1.8
2/12 16:40	102.8	↑1.6
2/12 16:50	104.3	↑1.5
2/12 17:00	105.7	↑1.4
2/12 17:10	106.8	↑1.1
2/12 17:20	107.8	↑1.0
2/12 17:30	108.5	↑0.7
2/12 17:40	109.0	↑0.5
2/12 17:50	109.3	↑0.3	満潮
2/12 18:00	109.4	↑0.1
2/12 18:10	109.2	↓-0.2
2/12 18:20	108.8	↓-0.4
2/12 18:30	108.1	↓-0.7
2/12 18:40	107.2	↓-0.9
2/12 18:50	106.0	↓-1.2
2/12 19:00	104.6	↓-1.4
2/12 19:10	102.9	↓-1.7
2/12 19:20	101.0	↓-1.9
2/12 19:30	98.9	↓-2.1
2/12 19:40	96.5	↓-2.4
2/12 19:50	94.0	↓-2.5
2/12 20:00	91.2	↓-2.8
2/12 20:10	88.3	↓-2.9
2/12 20:20	85.2	↓-3.1
2/12 20:30	82.0	↓-3.2
2/12 20:40	78.6	↓-3.4
2/12 20:50	75.2	↓-3.4
2/12 21:00	71.7	↓-3.5
2/12 21:10	68.1	↓-3.6
2/12 21:20	64.6	↓-3.5
2/12 21:30	61.0	↓-3.6
2/12 21:40	57.4	↓-3.6
2/12 21:50	54.0	↓-3.4
2/12 22:00	50.5	↓-3.5
2/12 22:10	47.2	↓-3.3
2/12 22:20	44.1	↓-3.1
2/12 22:30	41.0	↓-3.1
2/12 22:40	38.2	↓-2.8
2/12 22:50	35.5	↓-2.7
2/12 23:00	33.1	↓-2.4
2/12 23:10	30.9	↓-2.2
2/12 23:20	28.9	↓-2.0
2/12 23:30	27.1	↓-1.8
2/12 23:40	25.7	↓-1.4
2/12 23:50	24.5	↓-1.2