29 (火)	07:00	01:53	22:25	14:53
	105cm	84cm	98cm	34cm
小潮 出 04:48 入 18:24 出 10:32 入 -

日立（茨城）2031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	88.1	↓-0.8
4/29 00:10	87.3	↓-0.8
4/29 00:20	86.6	↓-0.7
4/29 00:30	86.0	↓-0.6
4/29 00:40	85.4	↓-0.6
4/29 00:50	84.9	↓-0.5
4/29 01:00	84.4	↓-0.5
4/29 01:10	84.0	↓-0.4
4/29 01:20	83.7	↓-0.3
4/29 01:30	83.5	↓-0.2
4/29 01:40	83.3	↓-0.2
4/29 01:50	83.2	↓-0.1	干潮
4/29 02:00	83.3	↑0.1
4/29 02:10	83.4	↑0.1
4/29 02:20	83.6	↑0.2
4/29 02:30	83.9	↑0.3
4/29 02:40	84.3	↑0.4
4/29 02:50	84.8	↑0.5
4/29 03:00	85.4	↑0.6
4/29 03:10	86.1	↑0.7
4/29 03:20	86.9	↑0.8
4/29 03:30	87.7	↑0.8
4/29 03:40	88.6	↑0.9
4/29 03:50	89.6	↑1.0
4/29 04:00	90.6	↑1.0
4/29 04:10	91.7	↑1.1
4/29 04:20	92.8	↑1.1
4/29 04:30	93.9	↑1.1
4/29 04:40	95.0	↑1.1
4/29 04:50	96.1	↑1.1
4/29 05:00	97.2	↑1.1
4/29 05:10	98.2	↑1.0
4/29 05:20	99.2	↑1.0
4/29 05:30	100.2	↑1.0
4/29 05:40	101.1	↑0.9
4/29 05:50	101.9	↑0.8
4/29 06:00	102.6	↑0.7
4/29 06:10	103.2	↑0.6
4/29 06:20	103.7	↑0.5
4/29 06:30	104.1	↑0.4
4/29 06:40	104.4	↑0.3
4/29 06:50	104.6	↑0.2	満潮
4/29 07:00	104.6	0	満潮
4/29 07:10	104.5	↓-0.1
4/29 07:20	104.3	↓-0.2
4/29 07:30	104.0	↓-0.3
4/29 07:40	103.5	↓-0.5
4/29 07:50	102.9	↓-0.6
4/29 08:00	102.2	↓-0.7
4/29 08:10	101.3	↓-0.9
4/29 08:20	100.3	↓-1.0
4/29 08:30	99.1	↓-1.2
4/29 08:40	97.9	↓-1.2
4/29 08:50	96.4	↓-1.5
4/29 09:00	94.9	↓-1.5
4/29 09:10	93.3	↓-1.6
4/29 09:20	91.5	↓-1.8
4/29 09:30	89.6	↓-1.9
4/29 09:40	87.7	↓-1.9
4/29 09:50	85.6	↓-2.1
4/29 10:00	83.5	↓-2.1
4/29 10:10	81.2	↓-2.3
4/29 10:20	79.0	↓-2.2
4/29 10:30	76.6	↓-2.4	最大潮位差
4/29 10:40	74.3	↓-2.3
4/29 10:50	71.9	↓-2.4	最大潮位差
4/29 11:00	69.5	↓-2.4	最大潮位差
4/29 11:10	67.1	↓-2.4	最大潮位差
4/29 11:20	64.7	↓-2.4	最大潮位差
4/29 11:30	62.4	↓-2.3
4/29 11:40	60.1	↓-2.3
4/29 11:50	57.8	↓-2.3
4/29 12:00	55.6	↓-2.2
4/29 12:10	53.4	↓-2.2
4/29 12:20	51.3	↓-2.1
4/29 12:30	49.3	↓-2.0
4/29 12:40	47.4	↓-1.9
4/29 12:50	45.6	↓-1.8
4/29 13:00	43.9	↓-1.7
4/29 13:10	42.2	↓-1.7
4/29 13:20	40.8	↓-1.4
4/29 13:30	39.4	↓-1.4
4/29 13:40	38.2	↓-1.2
4/29 13:50	37.1	↓-1.1
4/29 14:00	36.1	↓-1.0
4/29 14:10	35.3	↓-0.8
4/29 14:20	34.7	↓-0.6
4/29 14:30	34.2	↓-0.5
4/29 14:40	33.9	↓-0.3
4/29 14:50	33.8	↓-0.1	干潮
4/29 15:00	33.9	↑0.1
4/29 15:10	34.1	↑0.2
4/29 15:20	34.5	↑0.4
4/29 15:30	35.1	↑0.6
4/29 15:40	35.8	↑0.7
4/29 15:50	36.7	↑0.9
4/29 16:00	37.8	↑1.1
4/29 16:10	39.0	↑1.2
4/29 16:20	40.4	↑1.4
4/29 16:30	41.9	↑1.5
4/29 16:40	43.6	↑1.7
4/29 16:50	45.4	↑1.8
4/29 17:00	47.2	↑1.8
4/29 17:10	49.2	↑2.0
4/29 17:20	51.2	↑2.0
4/29 17:30	53.4	↑2.2
4/29 17:40	55.5	↑2.1
4/29 17:50	57.7	↑2.2
4/29 18:00	60.0	↑2.3
4/29 18:10	62.2	↑2.2
4/29 18:20	64.5	↑2.3
4/29 18:30	66.7	↑2.2
4/29 18:40	69.0	↑2.3
4/29 18:50	71.2	↑2.2
4/29 19:00	73.3	↑2.1
4/29 19:10	75.5	↑2.2
4/29 19:20	77.5	↑2.0
4/29 19:30	79.5	↑2.0
4/29 19:40	81.5	↑2.0
4/29 19:50	83.3	↑1.8
4/29 20:00	85.0	↑1.7
4/29 20:10	86.7	↑1.7
4/29 20:20	88.3	↑1.6
4/29 20:30	89.7	↑1.4
4/29 20:40	91.0	↑1.3
4/29 20:50	92.2	↑1.2
4/29 21:00	93.3	↑1.1
4/29 21:10	94.3	↑1.0
4/29 21:20	95.1	↑0.8
4/29 21:30	95.8	↑0.7
4/29 21:40	96.4	↑0.6
4/29 21:50	96.8	↑0.4
4/29 22:00	97.1	↑0.3
4/29 22:10	97.3	↑0.2
4/29 22:20	97.4	↑0.1	満潮
4/29 22:30	97.4	0
4/29 22:40	97.3	↓-0.1
4/29 22:50	97.1	↓-0.2
4/29 23:00	96.9	↓-0.2
4/29 23:10	96.5	↓-0.4
4/29 23:20	96.1	↓-0.4
4/29 23:30	95.6	↓-0.5
4/29 23:40	95.1	↓-0.5
4/29 23:50	94.5	↓-0.6