29 (月)	01:33	08:02	14:13	20:02
	105cm	34cm	98cm	45cm
中潮 出 04:48 入 18:24 出 02:40 入 15:24

那珂湊（茨城）2030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	95.7	↑1.9
4/29 00:10	97.5	↑1.8
4/29 00:20	99.2	↑1.7
4/29 00:30	100.6	↑1.4
4/29 00:40	101.8	↑1.2
4/29 00:50	102.9	↑1.1
4/29 01:00	103.7	↑0.8
4/29 01:10	104.3	↑0.6
4/29 01:20	104.7	↑0.4
4/29 01:30	104.8	↑0.1	満潮
4/29 01:40	104.8	0
4/29 01:50	104.5	↓-0.3
4/29 02:00	103.9	↓-0.6
4/29 02:10	103.2	↓-0.7
4/29 02:20	102.2	↓-1.0
4/29 02:30	101.1	↓-1.1
4/29 02:40	99.7	↓-1.4
4/29 02:50	98.1	↓-1.6
4/29 03:00	96.3	↓-1.8
4/29 03:10	94.4	↓-1.9
4/29 03:20	92.3	↓-2.1
4/29 03:30	90.1	↓-2.2
4/29 03:40	87.7	↓-2.4
4/29 03:50	85.2	↓-2.5
4/29 04:00	82.6	↓-2.6
4/29 04:10	79.9	↓-2.7
4/29 04:20	77.1	↓-2.8
4/29 04:30	74.3	↓-2.8
4/29 04:40	71.5	↓-2.8
4/29 04:50	68.6	↓-2.9	最大潮位差
4/29 05:00	65.7	↓-2.9	最大潮位差
4/29 05:10	62.9	↓-2.8
4/29 05:20	60.0	↓-2.9	最大潮位差
4/29 05:30	57.3	↓-2.7
4/29 05:40	54.6	↓-2.7
4/29 05:50	52.0	↓-2.6
4/29 06:00	49.5	↓-2.5
4/29 06:10	47.2	↓-2.3
4/29 06:20	44.9	↓-2.3
4/29 06:30	42.9	↓-2.0
4/29 06:40	41.0	↓-1.9
4/29 06:50	39.3	↓-1.7
4/29 07:00	37.8	↓-1.5
4/29 07:10	36.5	↓-1.3
4/29 07:20	35.4	↓-1.1
4/29 07:30	34.6	↓-0.8
4/29 07:40	34.0	↓-0.6
4/29 07:50	33.6	↓-0.4
4/29 08:00	33.4	↓-0.2	干潮
4/29 08:10	33.5	↑0.1
4/29 08:20	33.9	↑0.4
4/29 08:30	34.4	↑0.5
4/29 08:40	35.2	↑0.8
4/29 08:50	36.2	↑1.0
4/29 09:00	37.5	↑1.3
4/29 09:10	38.9	↑1.4
4/29 09:20	40.6	↑1.7
4/29 09:30	42.4	↑1.8
4/29 09:40	44.4	↑2.0
4/29 09:50	46.5	↑2.1
4/29 10:00	48.8	↑2.3
4/29 10:10	51.2	↑2.4
4/29 10:20	53.7	↑2.5
4/29 10:30	56.3	↑2.6
4/29 10:40	59.0	↑2.7
4/29 10:50	61.7	↑2.7
4/29 11:00	64.4	↑2.7
4/29 11:10	67.1	↑2.7
4/29 11:20	69.8	↑2.7
4/29 11:30	72.5	↑2.7
4/29 11:40	75.1	↑2.6
4/29 11:50	77.7	↑2.6
4/29 12:00	80.1	↑2.4
4/29 12:10	82.5	↑2.4
4/29 12:20	84.7	↑2.2
4/29 12:30	86.8	↑2.1
4/29 12:40	88.7	↑1.9
4/29 12:50	90.5	↑1.8
4/29 13:00	92.1	↑1.6
4/29 13:10	93.5	↑1.4
4/29 13:20	94.7	↑1.2
4/29 13:30	95.7	↑1.0
4/29 13:40	96.5	↑0.8
4/29 13:50	97.0	↑0.5
4/29 14:00	97.4	↑0.4
4/29 14:10	97.6	↑0.2	満潮
4/29 14:20	97.5	↓-0.1
4/29 14:30	97.2	↓-0.3
4/29 14:40	96.7	↓-0.5
4/29 14:50	96.0	↓-0.7
4/29 15:00	95.1	↓-0.9
4/29 15:10	94.0	↓-1.1
4/29 15:20	92.8	↓-1.2
4/29 15:30	91.3	↓-1.5
4/29 15:40	89.7	↓-1.6
4/29 15:50	87.9	↓-1.8
4/29 16:00	86.0	↓-1.9
4/29 16:10	84.0	↓-2.0
4/29 16:20	81.9	↓-2.1
4/29 16:30	79.7	↓-2.2
4/29 16:40	77.4	↓-2.3
4/29 16:50	75.1	↓-2.3
4/29 17:00	72.7	↓-2.4
4/29 17:10	70.3	↓-2.4
4/29 17:20	67.9	↓-2.4
4/29 17:30	65.6	↓-2.3
4/29 17:40	63.2	↓-2.4
4/29 17:50	61.0	↓-2.2
4/29 18:00	58.8	↓-2.2
4/29 18:10	56.6	↓-2.2
4/29 18:20	54.7	↓-1.9
4/29 18:30	52.8	↓-1.9
4/29 18:40	51.1	↓-1.7
4/29 18:50	49.5	↓-1.6
4/29 19:00	48.1	↓-1.4
4/29 19:10	46.9	↓-1.2
4/29 19:20	45.9	↓-1.0
4/29 19:30	45.1	↓-0.8
4/29 19:40	44.5	↓-0.6
4/29 19:50	44.2	↓-0.3
4/29 20:00	44.0	↓-0.2	干潮
4/29 20:10	44.1	↑0.1
4/29 20:20	44.4	↑0.3
4/29 20:30	45.0	↑0.6
4/29 20:40	45.8	↑0.8
4/29 20:50	46.8	↑1.0
4/29 21:00	48.0	↑1.2
4/29 21:10	49.4	↑1.4
4/29 21:20	51.0	↑1.6
4/29 21:30	52.9	↑1.9
4/29 21:40	54.8	↑1.9
4/29 21:50	57.0	↑2.2
4/29 22:00	59.3	↑2.3
4/29 22:10	61.7	↑2.4
4/29 22:20	64.3	↑2.6
4/29 22:30	66.9	↑2.6
4/29 22:40	69.6	↑2.7
4/29 22:50	72.3	↑2.7
4/29 23:00	75.1	↑2.8
4/29 23:10	77.9	↑2.8
4/29 23:20	80.7	↑2.8
4/29 23:30	83.5	↑2.8
4/29 23:40	86.2	↑2.7
4/29 23:50	88.8	↑2.6