29 (日)	03:31	10:22	17:25	22:38
	116cm	-9cm	118cm	65cm
大潮 出 04:48 入 18:25 出 19:40 入 04:49 潮干狩り ◎ 07:47～12:58

那珂湊（茨城）2029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	73.3	↑2.5
4/29 00:10	75.8	↑2.5
4/29 00:20	78.5	↑2.7
4/29 00:30	81.2	↑2.7
4/29 00:40	83.9	↑2.7
4/29 00:50	86.7	↑2.8
4/29 01:00	89.5	↑2.8
4/29 01:10	92.2	↑2.7
4/29 01:20	94.9	↑2.7
4/29 01:30	97.5	↑2.6
4/29 01:40	100.0	↑2.5
4/29 01:50	102.4	↑2.4
4/29 02:00	104.7	↑2.3
4/29 02:10	106.8	↑2.1
4/29 02:20	108.7	↑1.9
4/29 02:30	110.4	↑1.7
4/29 02:40	111.9	↑1.5
4/29 02:50	113.1	↑1.2
4/29 03:00	114.1	↑1.0
4/29 03:10	114.8	↑0.7
4/29 03:20	115.3	↑0.5
4/29 03:30	115.4	↑0.1	満潮
4/29 03:40	115.3	↓-0.1
4/29 03:50	114.8	↓-0.5
4/29 04:00	114.0	↓-0.8
4/29 04:10	112.9	↓-1.1
4/29 04:20	111.5	↓-1.4
4/29 04:30	109.7	↓-1.8
4/29 04:40	107.7	↓-2.0
4/29 04:50	105.3	↓-2.4
4/29 05:00	102.7	↓-2.6
4/29 05:10	99.7	↓-3.0
4/29 05:20	96.5	↓-3.2
4/29 05:30	93.0	↓-3.5
4/29 05:40	89.2	↓-3.8
4/29 05:50	85.3	↓-3.9
4/29 06:00	81.1	↓-4.2
4/29 06:10	76.7	↓-4.4
4/29 06:20	72.2	↓-4.5
4/29 06:30	67.6	↓-4.6
4/29 06:40	62.8	↓-4.8
4/29 06:50	58.0	↓-4.8
4/29 07:00	53.2	↓-4.8
4/29 07:10	48.3	↓-4.9	最大潮位差
4/29 07:20	43.5	↓-4.8
4/29 07:30	38.7	↓-4.8
4/29 07:40	33.9	↓-4.8
4/29 07:50	29.3	↓-4.6
4/29 08:00	24.9	↓-4.4
4/29 08:10	20.6	↓-4.3
4/29 08:20	16.5	↓-4.1
4/29 08:30	12.6	↓-3.9
4/29 08:40	8.9	↓-3.7
4/29 08:50	5.6	↓-3.3
4/29 09:00	2.5	↓-3.1
4/29 09:10	-0.2	↓-2.7
4/29 09:20	-2.7	↓-2.5
4/29 09:30	-4.7	↓-2.0
4/29 09:40	-6.5	↓-1.8
4/29 09:50	-7.8	↓-1.3
4/29 10:00	-8.8	↓-1.0
4/29 10:10	-9.4	↓-0.6
4/29 10:20	-9.7	↓-0.3	干潮
4/29 10:30	-9.5	↑0.2
4/29 10:40	-9.0	↑0.5
4/29 10:50	-8.1	↑0.9
4/29 11:00	-6.8	↑1.3
4/29 11:10	-5.2	↑1.6
4/29 11:20	-3.2	↑2.0
4/29 11:30	-0.9	↑2.3
4/29 11:40	1.7	↑2.6
4/29 11:50	4.6	↑2.9
4/29 12:00	7.8	↑3.2
4/29 12:10	11.2	↑3.4
4/29 12:20	14.9	↑3.7
4/29 12:30	18.8	↑3.9
4/29 12:40	22.9	↑4.1
4/29 12:50	27.2	↑4.3
4/29 13:00	31.6	↑4.4
4/29 13:10	36.2	↑4.6
4/29 13:20	40.8	↑4.6
4/29 13:30	45.5	↑4.7
4/29 13:40	50.2	↑4.7
4/29 13:50	55.0	↑4.8
4/29 14:00	59.7	↑4.7
4/29 14:10	64.4	↑4.7
4/29 14:20	69.0	↑4.6
4/29 14:30	73.5	↑4.5
4/29 14:40	78.0	↑4.5
4/29 14:50	82.2	↑4.2
4/29 15:00	86.4	↑4.2
4/29 15:10	90.3	↑3.9
4/29 15:20	94.0	↑3.7
4/29 15:30	97.6	↑3.6
4/29 15:40	100.8	↑3.2
4/29 15:50	103.8	↑3.0
4/29 16:00	106.6	↑2.8
4/29 16:10	109.1	↑2.5
4/29 16:20	111.2	↑2.1
4/29 16:30	113.1	↑1.9
4/29 16:40	114.6	↑1.5
4/29 16:50	115.9	↑1.3
4/29 17:00	116.8	↑0.9
4/29 17:10	117.4	↑0.6
4/29 17:20	117.7	↑0.3	満潮
4/29 17:30	117.7	0
4/29 17:40	117.3	↓-0.4
4/29 17:50	116.7	↓-0.6
4/29 18:00	115.8	↓-0.9
4/29 18:10	114.7	↓-1.1
4/29 18:20	113.3	↓-1.4
4/29 18:30	111.6	↓-1.7
4/29 18:40	109.8	↓-1.8
4/29 18:50	107.8	↓-2.0
4/29 19:00	105.6	↓-2.2
4/29 19:10	103.2	↓-2.4
4/29 19:20	100.8	↓-2.4
4/29 19:30	98.2	↓-2.6
4/29 19:40	95.6	↓-2.6
4/29 19:50	93.0	↓-2.6
4/29 20:00	90.3	↓-2.7
4/29 20:10	87.7	↓-2.6
4/29 20:20	85.1	↓-2.6
4/29 20:30	82.5	↓-2.6
4/29 20:40	80.1	↓-2.4
4/29 20:50	77.7	↓-2.4
4/29 21:00	75.6	↓-2.1
4/29 21:10	73.5	↓-2.1
4/29 21:20	71.7	↓-1.8
4/29 21:30	70.0	↓-1.7
4/29 21:40	68.5	↓-1.5
4/29 21:50	67.3	↓-1.2
4/29 22:00	66.2	↓-1.1
4/29 22:10	65.5	↓-0.7
4/29 22:20	64.9	↓-0.6
4/29 22:30	64.6	↓-0.3	干潮
4/29 22:40	64.5	↓-0.1
4/29 22:50	64.7	↑0.2
4/29 23:00	65.2	↑0.5
4/29 23:10	65.8	↑0.6
4/29 23:20	66.7	↑0.9
4/29 23:30	67.8	↑1.1
4/29 23:40	69.1	↑1.3
4/29 23:50	70.6	↑1.5