29 (月)	04:46	12:12	19:48	23:57
	111cm	0cm	101cm	82cm
中潮 出 04:48 入 18:24 出 07:05 入 22:15 潮干狩り ◎ 09:41～14:52

那珂湊（茨城）2047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	77.6	↑0.4
4/29 00:10	78.2	↑0.6
4/29 00:20	79.0	↑0.8
4/29 00:30	79.9	↑0.9
4/29 00:40	80.9	↑1.0
4/29 00:50	82.0	↑1.1
4/29 01:00	83.3	↑1.3
4/29 01:10	84.7	↑1.4
4/29 01:20	86.1	↑1.4
4/29 01:30	87.6	↑1.5
4/29 01:40	89.2	↑1.6
4/29 01:50	90.8	↑1.6
4/29 02:00	92.4	↑1.6
4/29 02:10	94.1	↑1.7
4/29 02:20	95.8	↑1.7
4/29 02:30	97.4	↑1.6
4/29 02:40	99.0	↑1.6
4/29 02:50	100.6	↑1.6
4/29 03:00	102.1	↑1.5
4/29 03:10	103.5	↑1.4
4/29 03:20	104.8	↑1.3
4/29 03:30	106.1	↑1.3
4/29 03:40	107.2	↑1.1
4/29 03:50	108.2	↑1.0
4/29 04:00	109.0	↑0.8
4/29 04:10	109.7	↑0.7
4/29 04:20	110.3	↑0.6
4/29 04:30	110.6	↑0.3
4/29 04:40	110.8	↑0.2	満潮
4/29 04:50	110.8	0
4/29 05:00	110.6	↓-0.2
4/29 05:10	110.2	↓-0.4
4/29 05:20	109.6	↓-0.6
4/29 05:30	108.8	↓-0.8
4/29 05:40	107.7	↓-1.1
4/29 05:50	106.4	↓-1.3
4/29 06:00	104.9	↓-1.5
4/29 06:10	103.2	↓-1.7
4/29 06:20	101.2	↓-2.0
4/29 06:30	99.0	↓-2.2
4/29 06:40	96.6	↓-2.4
4/29 06:50	94.0	↓-2.6
4/29 07:00	91.2	↓-2.8
4/29 07:10	88.2	↓-3.0
4/29 07:20	85.0	↓-3.2
4/29 07:30	81.6	↓-3.4
4/29 07:40	78.1	↓-3.5
4/29 07:50	74.5	↓-3.6
4/29 08:00	70.7	↓-3.8
4/29 08:10	66.8	↓-3.9
4/29 08:20	62.9	↓-3.9
4/29 08:30	58.8	↓-4.1	最大潮位差
4/29 08:40	54.8	↓-4.0
4/29 08:50	50.7	↓-4.1	最大潮位差
4/29 09:00	46.7	↓-4.0
4/29 09:10	42.7	↓-4.0
4/29 09:20	38.7	↓-4.0
4/29 09:30	34.8	↓-3.9
4/29 09:40	31.0	↓-3.8
4/29 09:50	27.4	↓-3.6
4/29 10:00	23.9	↓-3.5
4/29 10:10	20.6	↓-3.3
4/29 10:20	17.5	↓-3.1
4/29 10:30	14.6	↓-2.9
4/29 10:40	11.9	↓-2.7
4/29 10:50	9.5	↓-2.4
4/29 11:00	7.3	↓-2.2
4/29 11:10	5.4	↓-1.9
4/29 11:20	3.7	↓-1.7
4/29 11:30	2.4	↓-1.3
4/29 11:40	1.3	↓-1.1
4/29 11:50	0.6	↓-0.7
4/29 12:00	0.1	↓-0.5
4/29 12:10	-0.1	↓-0.2	干潮
4/29 12:20	0.0	↑0.1
4/29 12:30	0.4	0
4/29 12:40	1.1	↑0.7
4/29 12:50	2.0	↑0.9
4/29 13:00	3.2	↑1.2
4/29 13:10	4.7	↑1.5
4/29 13:20	6.4	↑1.7
4/29 13:30	8.3	↑1.9
4/29 13:40	10.5	↑2.2
4/29 13:50	12.8	↑2.3
4/29 14:00	15.3	↑2.5
4/29 14:10	18.0	↑2.7
4/29 14:20	20.8	↑2.8
4/29 14:30	23.8	↑3.0
4/29 14:40	26.9	↑3.1
4/29 14:50	30.1	↑3.2
4/29 15:00	33.4	↑3.3
4/29 15:10	36.7	↑3.3
4/29 15:20	40.1	↑3.4
4/29 15:30	43.6	↑3.5
4/29 15:40	47.0	↑3.4
4/29 15:50	50.5	↑3.5
4/29 16:00	53.9	↑3.4
4/29 16:10	57.3	↑3.4
4/29 16:20	60.7	↑3.4
4/29 16:30	64.0	↑3.3
4/29 16:40	67.2	↑3.2
4/29 16:50	70.4	↑3.2
4/29 17:00	73.4	↑3.0
4/29 17:10	76.4	↑3.0
4/29 17:20	79.2	↑2.8
4/29 17:30	81.8	↑2.6
4/29 17:40	84.3	↑2.5
4/29 17:50	86.7	↑2.4
4/29 18:00	88.9	↑2.2
4/29 18:10	90.9	↑2.0
4/29 18:20	92.7	↑1.8
4/29 18:30	94.3	↑1.6
4/29 18:40	95.7	↑1.4
4/29 18:50	96.9	↑1.2
4/29 19:00	97.9	↑1.0
4/29 19:10	98.7	↑0.8
4/29 19:20	99.3	↑0.6
4/29 19:30	99.7	↑0.4
4/29 19:40	100.0	↑0.3	満潮
4/29 19:50	100.0	0
4/29 20:00	99.8	↓-0.2
4/29 20:10	99.5	↓-0.3
4/29 20:20	99.1	↓-0.4
4/29 20:30	98.5	↓-0.6
4/29 20:40	97.7	↓-0.8
4/29 20:50	96.9	↓-0.8
4/29 21:00	95.9	↓-1.0
4/29 21:10	94.9	↓-1.0
4/29 21:20	93.8	↓-1.1
4/29 21:30	92.6	↓-1.2
4/29 21:40	91.5	↓-1.1
4/29 21:50	90.3	↓-1.2
4/29 22:00	89.1	↓-1.2
4/29 22:10	88.0	↓-1.1
4/29 22:20	86.9	↓-1.1
4/29 22:30	85.9	↓-1.0
4/29 22:40	84.9	↓-1.0
4/29 22:50	84.0	↓-0.9
4/29 23:00	83.2	↓-0.8
4/29 23:10	82.6	↓-0.6
4/29 23:20	82.0	↓-0.6
4/29 23:30	81.6	↓-0.4
4/29 23:40	81.3	↓-0.3
4/29 23:50	81.2	↓-0.1	干潮