29 (木)	01:14	07:22	12:04	18:51
	102cm	65cm	86cm	30cm
長潮 出 04:48 入 18:24 出 02:31 入 13:37

那珂湊（茨城）2038年04月29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
4/29 00:00	97.0	↑1.3
4/29 00:10	98.1	↑1.1
4/29 00:20	99.1	↑1.0
4/29 00:30	99.8	↑0.7
4/29 00:40	100.5	↑0.7
4/29 00:50	100.9	↑0.4
4/29 01:00	101.2	↑0.3
4/29 01:10	101.3	↑0.1	満潮
4/29 01:20	101.3	0
4/29 01:30	101.1	↓-0.2
4/29 01:40	100.8	↓-0.3
4/29 01:50	100.3	↓-0.5
4/29 02:00	99.7	↓-0.6
4/29 02:10	99.0	↓-0.7
4/29 02:20	98.2	↓-0.8
4/29 02:30	97.2	↓-1.0
4/29 02:40	96.2	↓-1.0
4/29 02:50	95.1	↓-1.1
4/29 03:00	93.8	↓-1.3
4/29 03:10	92.5	↓-1.3
4/29 03:20	91.2	↓-1.3
4/29 03:30	89.7	↓-1.5
4/29 03:40	88.3	↓-1.4
4/29 03:50	86.8	↓-1.5
4/29 04:00	85.2	↓-1.6
4/29 04:10	83.7	↓-1.5
4/29 04:20	82.1	↓-1.6
4/29 04:30	80.6	↓-1.5
4/29 04:40	79.1	↓-1.5
4/29 04:50	77.6	↓-1.5
4/29 05:00	76.1	↓-1.5
4/29 05:10	74.7	↓-1.4
4/29 05:20	73.4	↓-1.3
4/29 05:30	72.1	↓-1.3
4/29 05:40	70.9	↓-1.2
4/29 05:50	69.7	↓-1.2
4/29 06:00	68.7	↓-1.0
4/29 06:10	67.8	↓-0.9
4/29 06:20	67.0	↓-0.8
4/29 06:30	66.3	↓-0.7
4/29 06:40	65.7	↓-0.6
4/29 06:50	65.2	↓-0.5
4/29 07:00	64.9	↓-0.3
4/29 07:10	64.7	↓-0.2
4/29 07:20	64.6	↓-0.1	干潮
4/29 07:30	64.7	↑0.1
4/29 07:40	64.9	↑0.2
4/29 07:50	65.2	↑0.3
4/29 08:00	65.6	↑0.4
4/29 08:10	66.1	↑0.5
4/29 08:20	66.8	↑0.7
4/29 08:30	67.5	↑0.7
4/29 08:40	68.4	↑0.9
4/29 08:50	69.3	↑0.9
4/29 09:00	70.2	↑0.9
4/29 09:10	71.3	↑1.1
4/29 09:20	72.4	↑1.1
4/29 09:30	73.5	↑1.1
4/29 09:40	74.6	↑1.1
4/29 09:50	75.7	↑1.1
4/29 10:00	76.9	↑1.2
4/29 10:10	78.0	↑1.1
4/29 10:20	79.1	↑1.1
4/29 10:30	80.1	↑1.0
4/29 10:40	81.0	↑0.9
4/29 10:50	81.9	↑0.9
4/29 11:00	82.7	↑0.8
4/29 11:10	83.4	↑0.7
4/29 11:20	84.1	↑0.7
4/29 11:30	84.5	↑0.4
4/29 11:40	84.9	↑0.4
4/29 11:50	85.2	↑0.3
4/29 12:00	85.3	↑0.1	満潮
4/29 12:10	85.3	0
4/29 12:20	85.1	↓-0.2
4/29 12:30	84.8	↓-0.3
4/29 12:40	84.3	↓-0.5
4/29 12:50	83.7	↓-0.6
4/29 13:00	83.0	↓-0.7
4/29 13:10	82.1	↓-0.9
4/29 13:20	81.1	↓-1.0
4/29 13:30	80.0	↓-1.1
4/29 13:40	78.7	↓-1.3
4/29 13:50	77.3	↓-1.4
4/29 14:00	75.8	↓-1.5
4/29 14:10	74.2	↓-1.6
4/29 14:20	72.5	↓-1.7
4/29 14:30	70.7	↓-1.8
4/29 14:40	68.8	↓-1.9
4/29 14:50	66.9	↓-1.9
4/29 15:00	64.9	↓-2.0
4/29 15:10	62.8	↓-2.1
4/29 15:20	60.8	↓-2.0
4/29 15:30	58.6	↓-2.2
4/29 15:40	56.5	↓-2.1
4/29 15:50	54.4	↓-2.1
4/29 16:00	52.3	↓-2.1
4/29 16:10	50.2	↓-2.1
4/29 16:20	48.1	↓-2.1
4/29 16:30	46.1	↓-2.0
4/29 16:40	44.2	↓-1.9
4/29 16:50	42.3	↓-1.9
4/29 17:00	40.5	↓-1.8
4/29 17:10	38.8	↓-1.7
4/29 17:20	37.3	↓-1.5
4/29 17:30	35.8	↓-1.5
4/29 17:40	34.5	↓-1.3
4/29 17:50	33.3	↓-1.2
4/29 18:00	32.3	↓-1.0
4/29 18:10	31.5	↓-0.8
4/29 18:20	30.8	↓-0.7
4/29 18:30	30.3	↓-0.5
4/29 18:40	30.0	↓-0.3
4/29 18:50	29.9	↓-0.1	干潮
4/29 19:00	30.0	↑0.1
4/29 19:10	30.3	↑0.3
4/29 19:20	30.8	↑0.5
4/29 19:30	31.5	↑0.7
4/29 19:40	32.4	↑0.9
4/29 19:50	33.5	↑1.1
4/29 20:00	34.8	↑1.3
4/29 20:10	36.3	↑1.5
4/29 20:20	38.0	↑1.7
4/29 20:30	39.9	↑1.9
4/29 20:40	41.9	↑2.0
4/29 20:50	44.0	↑2.1
4/29 21:00	46.4	↑2.4
4/29 21:10	48.8	↑2.4
4/29 21:20	51.3	↑2.5
4/29 21:30	54.0	↑2.7
4/29 21:40	56.7	↑2.7
4/29 21:50	59.5	↑2.8
4/29 22:00	62.3	↑2.8
4/29 22:10	65.2	↑2.9	最大潮位差
4/29 22:20	68.1	↑2.9	最大潮位差
4/29 22:30	71.0	↑2.9	最大潮位差
4/29 22:40	73.8	↑2.8
4/29 22:50	76.6	↑2.8
4/29 23:00	79.4	↑2.8
4/29 23:10	82.1	↑2.7
4/29 23:20	84.7	↑2.6
4/29 23:30	87.2	↑2.5
4/29 23:40	89.5	↑2.3
4/29 23:50	91.8	↑2.3