13 (金)	04:02	09:00	14:17	21:28
	108cm	75cm	113cm	4cm
大潮 出 06:28 入 17:18 出 05:11 入 15:29

那珂湊（茨城）2037年02月13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
2/13 00:00	50.8	↑3.6
2/13 00:10	54.5	↑3.7
2/13 00:20	58.2	↑3.7
2/13 00:30	61.9	↑3.7
2/13 00:40	65.5	↑3.6
2/13 00:50	69.1	↑3.6
2/13 01:00	72.6	↑3.5
2/13 01:10	76.0	↑3.4
2/13 01:20	79.3	↑3.3
2/13 01:30	82.5	↑3.2
2/13 01:40	85.5	↑3.0
2/13 01:50	88.4	↑2.9
2/13 02:00	91.1	↑2.7
2/13 02:10	93.6	↑2.5
2/13 02:20	95.9	↑2.3
2/13 02:30	98.0	↑2.1
2/13 02:40	99.9	↑1.9
2/13 02:50	101.6	↑1.7
2/13 03:00	103.1	↑1.5
2/13 03:10	104.4	↑1.3
2/13 03:20	105.4	↑1.0
2/13 03:30	106.2	↑0.8
2/13 03:40	106.7	↑0.5
2/13 03:50	107.1	↑0.4
2/13 04:00	107.2	↑0.1	満潮
2/13 04:10	107.1	↓-0.1
2/13 04:20	106.8	↓-0.3
2/13 04:30	106.3	↓-0.5
2/13 04:40	105.7	↓-0.6
2/13 04:50	104.8	↓-0.9
2/13 05:00	103.8	↓-1.0
2/13 05:10	102.7	↓-1.1
2/13 05:20	101.4	↓-1.3
2/13 05:30	100.0	↓-1.4
2/13 05:40	98.5	↓-1.5
2/13 05:50	96.9	↓-1.6
2/13 06:00	95.3	↓-1.6
2/13 06:10	93.6	↓-1.7
2/13 06:20	91.8	↓-1.8
2/13 06:30	90.1	↓-1.7
2/13 06:40	88.4	↓-1.7
2/13 06:50	86.7	↓-1.7
2/13 07:00	85.1	↓-1.6
2/13 07:10	83.5	↓-1.6
2/13 07:20	82.0	↓-1.5
2/13 07:30	80.6	↓-1.4
2/13 07:40	79.3	↓-1.3
2/13 07:50	78.1	↓-1.2
2/13 08:00	77.0	↓-1.1
2/13 08:10	76.1	↓-0.9
2/13 08:20	75.4	↓-0.7
2/13 08:30	74.8	↓-0.6
2/13 08:40	74.4	↓-0.4
2/13 08:50	74.1	↓-0.3	干潮
2/13 09:00	74.0	↓-0.1	干潮
2/13 09:10	74.1	↑0.1
2/13 09:20	74.4	↑0.3
2/13 09:30	74.9	↑0.5
2/13 09:40	75.5	↑0.6
2/13 09:50	76.3	↑0.8
2/13 10:00	77.2	↑0.9
2/13 10:10	78.3	↑1.1
2/13 10:20	79.5	↑1.2
2/13 10:30	80.9	↑1.4
2/13 10:40	82.4	↑1.5
2/13 10:50	84.0	↑1.6
2/13 11:00	85.7	↑1.7
2/13 11:10	87.4	↑1.7
2/13 11:20	89.2	↑1.8
2/13 11:30	91.1	↑1.9
2/13 11:40	93.0	↑1.9
2/13 11:50	94.9	↑1.9
2/13 12:00	96.7	↑1.8
2/13 12:10	98.6	↑1.9
2/13 12:20	100.4	↑1.8
2/13 12:30	102.2	↑1.8
2/13 12:40	103.8	↑1.6
2/13 12:50	105.4	↑1.6
2/13 13:00	106.8	↑1.4
2/13 13:10	108.2	↑1.4
2/13 13:20	109.3	↑1.1
2/13 13:30	110.4	↑1.1
2/13 13:40	111.2	↑0.8
2/13 13:50	111.8	↑0.6
2/13 14:00	112.3	↑0.5
2/13 14:10	112.5	↑0.2	満潮
2/13 14:20	112.5	0
2/13 14:30	112.3	↓-0.2
2/13 14:40	111.9	↓-0.4
2/13 14:50	111.2	↓-0.7
2/13 15:00	110.2	↓-1.0
2/13 15:10	109.0	↓-1.2
2/13 15:20	107.6	↓-1.4
2/13 15:30	105.9	↓-1.7
2/13 15:40	104.0	↓-1.9
2/13 15:50	101.9	↓-2.1
2/13 16:00	99.5	↓-2.4
2/13 16:10	96.9	↓-2.6
2/13 16:20	94.1	↓-2.8
2/13 16:30	91.0	↓-3.1
2/13 16:40	87.8	↓-3.2
2/13 16:50	84.5	↓-3.3
2/13 17:00	80.9	↓-3.6
2/13 17:10	77.3	↓-3.6
2/13 17:20	73.5	↓-3.8
2/13 17:30	69.6	↓-3.9
2/13 17:40	65.6	↓-4.0
2/13 17:50	61.6	↓-4.0
2/13 18:00	57.6	↓-4.0
2/13 18:10	53.5	↓-4.1	最大潮位差
2/13 18:20	49.5	↓-4.0
2/13 18:30	45.4	↓-4.1	最大潮位差
2/13 18:40	41.5	↓-3.9
2/13 18:50	37.6	↓-3.9
2/13 19:00	33.9	↓-3.7
2/13 19:10	30.3	↓-3.6
2/13 19:20	26.8	↓-3.5
2/13 19:30	23.5	↓-3.3
2/13 19:40	20.4	↓-3.1
2/13 19:50	17.5	↓-2.9
2/13 20:00	14.8	↓-2.7
2/13 20:10	12.4	↓-2.4
2/13 20:20	10.3	↓-2.1
2/13 20:30	8.4	↓-1.9
2/13 20:40	6.8	↓-1.6
2/13 20:50	5.5	↓-1.3
2/13 21:00	4.5	↓-1.0
2/13 21:10	3.8	↓-0.7
2/13 21:20	3.5	↓-0.3	干潮
2/13 21:30	3.4	↓-0.1
2/13 21:40	3.7	↑0.3
2/13 21:50	4.2	↑0.5
2/13 22:00	5.1	↑0.9
2/13 22:10	6.3	↑1.2
2/13 22:20	7.7	↑1.4
2/13 22:30	9.5	↑1.8
2/13 22:40	11.5	↑2.0
2/13 22:50	13.8	↑2.3
2/13 23:00	16.3	↑2.5
2/13 23:10	19.1	↑2.8
2/13 23:20	22.0	↑2.9
2/13 23:30	25.2	↑3.2
2/13 23:40	28.5	↑3.3
2/13 23:50	32.0	↑3.5