29 (土)	03:19	09:37	16:09	22:00
	113cm	14cm	119cm	40cm
大潮 出 04:47 入 18:25 出 17:46 入 04:33 潮干狩り ◎ 07:55～11:19

那珂湊（茨城）2056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	65.9	↑3.4
4/29 00:10	69.4	↑3.5
4/29 00:20	72.8	↑3.4
4/29 00:30	76.3	↑3.5
4/29 00:40	79.7	↑3.4
4/29 00:50	83.1	↑3.4
4/29 01:00	86.4	↑3.3
4/29 01:10	89.6	↑3.2
4/29 01:20	92.6	↑3.0
4/29 01:30	95.5	↑2.9
4/29 01:40	98.3	↑2.8
4/29 01:50	100.8	↑2.5
4/29 02:00	103.1	↑2.3
4/29 02:10	105.2	↑2.1
4/29 02:20	107.1	↑1.9
4/29 02:30	108.7	↑1.6
4/29 02:40	110.0	↑1.3
4/29 02:50	111.0	↑1.0
4/29 03:00	111.7	↑0.7
4/29 03:10	112.1	↑0.4	満潮
4/29 03:20	112.2	↑0.1
4/29 03:30	112.0	↓-0.2
4/29 03:40	111.4	↓-0.6
4/29 03:50	110.6	↓-0.8
4/29 04:00	109.4	↓-1.2
4/29 04:10	107.9	↓-1.5
4/29 04:20	106.1	↓-1.8
4/29 04:30	104.1	↓-2.0
4/29 04:40	101.7	↓-2.4
4/29 04:50	99.1	↓-2.6
4/29 05:00	96.2	↓-2.9
4/29 05:10	93.1	↓-3.1
4/29 05:20	89.8	↓-3.3
4/29 05:30	86.3	↓-3.5
4/29 05:40	82.6	↓-3.7
4/29 05:50	78.8	↓-3.8
4/29 06:00	74.9	↓-3.9
4/29 06:10	70.8	↓-4.1
4/29 06:20	66.8	↓-4.0
4/29 06:30	62.6	↓-4.2	最大潮位差
4/29 06:40	58.5	↓-4.1
4/29 06:50	54.4	↓-4.1
4/29 07:00	50.4	↓-4.0
4/29 07:10	46.5	↓-3.9
4/29 07:20	42.6	↓-3.9
4/29 07:30	38.9	↓-3.7
4/29 07:40	35.4	↓-3.5
4/29 07:50	32.1	↓-3.3
4/29 08:00	29.0	↓-3.1
4/29 08:10	26.1	↓-2.9
4/29 08:20	23.5	↓-2.6
4/29 08:30	21.2	↓-2.3
4/29 08:40	19.1	↓-2.1
4/29 08:50	17.4	↓-1.7
4/29 09:00	16.0	↓-1.4
4/29 09:10	14.9	↓-1.1
4/29 09:20	14.2	↓-0.7
4/29 09:30	13.8	↓-0.4	干潮
4/29 09:40	13.7	↓-0.1
4/29 09:50	14.0	↑0.3
4/29 10:00	14.6	↑0.6
4/29 10:10	15.6	↑1.0
4/29 10:20	16.9	↑1.3
4/29 10:30	18.5	↑1.6
4/29 10:40	20.5	↑2.0
4/29 10:50	22.7	↑2.2
4/29 11:00	25.2	↑2.5
4/29 11:10	28.0	↑2.8
4/29 11:20	31.0	↑3.0
4/29 11:30	34.3	↑3.3
4/29 11:40	37.7	↑3.4
4/29 11:50	41.3	↑3.6
4/29 12:00	45.1	↑3.8
4/29 12:10	49.0	↑3.9
4/29 12:20	53.0	↑4.0
4/29 12:30	57.1	↑4.1
4/29 12:40	61.3	↑4.2	最大潮位差
4/29 12:50	65.5	↑4.2	最大潮位差
4/29 13:00	69.6	↑4.1
4/29 13:10	73.8	↑4.2	最大潮位差
4/29 13:20	77.9	↑4.1
4/29 13:30	81.9	↑4.0
4/29 13:40	85.8	↑3.9
4/29 13:50	89.6	↑3.8
4/29 14:00	93.2	↑3.6
4/29 14:10	96.7	↑3.5
4/29 14:20	99.9	↑3.2
4/29 14:30	103.0	↑3.1
4/29 14:40	105.8	↑2.8
4/29 14:50	108.3	↑2.5
4/29 15:00	110.6	↑2.3
4/29 15:10	112.6	↑2.0
4/29 15:20	114.3	↑1.7
4/29 15:30	115.7	↑1.4
4/29 15:40	116.8	↑1.1
4/29 15:50	117.5	↑0.7
4/29 16:00	117.9	↑0.4	満潮
4/29 16:10	118.1	↑0.2
4/29 16:20	117.8	↓-0.3
4/29 16:30	117.3	↓-0.5
4/29 16:40	116.4	↓-0.9
4/29 16:50	115.3	↓-1.1
4/29 17:00	113.8	↓-1.5
4/29 17:10	112.0	↓-1.8
4/29 17:20	110.0	↓-2.0
4/29 17:30	107.7	↓-2.3
4/29 17:40	105.2	↓-2.5
4/29 17:50	102.5	↓-2.7
4/29 18:00	99.6	↓-2.9
4/29 18:10	96.5	↓-3.1
4/29 18:20	93.3	↓-3.2
4/29 18:30	89.9	↓-3.4
4/29 18:40	86.5	↓-3.4
4/29 18:50	83.0	↓-3.5
4/29 19:00	79.5	↓-3.5
4/29 19:10	75.9	↓-3.6
4/29 19:20	72.4	↓-3.5
4/29 19:30	69.0	↓-3.4
4/29 19:40	65.6	↓-3.4
4/29 19:50	62.3	↓-3.3
4/29 20:00	59.2	↓-3.1
4/29 20:10	56.2	↓-3.0
4/29 20:20	53.4	↓-2.8
4/29 20:30	50.8	↓-2.6
4/29 20:40	48.5	↓-2.3
4/29 20:50	46.4	↓-2.1
4/29 21:00	44.5	↓-1.9
4/29 21:10	42.9	↓-1.6
4/29 21:20	41.6	↓-1.3
4/29 21:30	40.6	↓-1.0
4/29 21:40	39.9	↓-0.7
4/29 21:50	39.4	↓-0.5	干潮
4/29 22:00	39.3	↓-0.1	干潮
4/29 22:10	39.5	↑0.2
4/29 22:20	40.0	↑0.5
4/29 22:30	40.8	↑0.8
4/29 22:40	41.8	↑1.0
4/29 22:50	43.2	↑1.4
4/29 23:00	44.8	↑1.6
4/29 23:10	46.6	↑1.8
4/29 23:20	48.7	↑2.1
4/29 23:30	51.0	↑2.3
4/29 23:40	53.5	↑2.5
4/29 23:50	56.2	↑2.7