01 (土)	07:33	01:09	22:41	15:27
	115cm	69cm	78cm	35cm
小潮 出 06:09 入 17:33 出 10:29 入 00:17

日立（茨城）2031年03月01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
3/1 00:00	70.8	↓-0.7
3/1 00:10	70.2	↓-0.6
3/1 00:20	69.7	↓-0.5
3/1 00:30	69.2	↓-0.5
3/1 00:40	68.9	↓-0.3
3/1 00:50	68.6	↓-0.3
3/1 01:00	68.5	↓-0.1	干潮
3/1 01:10	68.4	↓-0.1
3/1 01:20	68.5	↑0.1
3/1 01:30	68.7	↑0.2
3/1 01:40	69.0	↑0.3
3/1 01:50	69.5	↑0.5
3/1 02:00	70.1	↑0.6
3/1 02:10	70.7	↑0.6
3/1 02:20	71.6	↑0.9
3/1 02:30	72.5	↑0.9
3/1 02:40	73.6	↑1.1
3/1 02:50	74.8	↑1.2
3/1 03:00	76.1	↑1.3
3/1 03:10	77.5	↑1.4
3/1 03:20	79.1	↑1.6
3/1 03:30	80.7	↑1.6
3/1 03:40	82.4	↑1.7
3/1 03:50	84.2	↑1.8
3/1 04:00	86.1	↑1.9
3/1 04:10	88.0	↑1.9
3/1 04:20	89.9	↑1.9
3/1 04:30	91.9	↑2.0
3/1 04:40	93.8	↑1.9
3/1 04:50	95.8	↑2.0
3/1 05:00	97.7	↑1.9
3/1 05:10	99.6	↑1.9
3/1 05:20	101.4	↑1.8
3/1 05:30	103.2	↑1.8
3/1 05:40	104.9	↑1.7
3/1 05:50	106.4	↑1.5
3/1 06:00	107.9	↑1.5
3/1 06:10	109.3	↑1.4
3/1 06:20	110.5	↑1.2
3/1 06:30	111.6	↑1.1
3/1 06:40	112.5	↑0.9
3/1 06:50	113.3	↑0.8
3/1 07:00	113.9	↑0.6
3/1 07:10	114.4	↑0.5
3/1 07:20	114.7	↑0.3
3/1 07:30	114.8	↑0.1	満潮
3/1 07:40	114.7	↓-0.1
3/1 07:50	114.5	↓-0.2
3/1 08:00	114.1	↓-0.4
3/1 08:10	113.6	↓-0.5
3/1 08:20	112.8	↓-0.8
3/1 08:30	111.9	↓-0.9
3/1 08:40	110.8	↓-1.1
3/1 08:50	109.5	↓-1.3
3/1 09:00	108.1	↓-1.4
3/1 09:10	106.5	↓-1.6
3/1 09:20	104.8	↓-1.7
3/1 09:30	102.9	↓-1.9
3/1 09:40	100.9	↓-2.0
3/1 09:50	98.7	↓-2.2
3/1 10:00	96.5	↓-2.2
3/1 10:10	94.1	↓-2.4
3/1 10:20	91.7	↓-2.4
3/1 10:30	89.1	↓-2.6
3/1 10:40	86.6	↓-2.5
3/1 10:50	83.9	↓-2.7	最大潮位差
3/1 11:00	81.2	↓-2.7	最大潮位差
3/1 11:10	78.5	↓-2.7	最大潮位差
3/1 11:20	75.8	↓-2.7	最大潮位差
3/1 11:30	73.1	↓-2.7	最大潮位差
3/1 11:40	70.5	↓-2.6
3/1 11:50	67.8	↓-2.7	最大潮位差
3/1 12:00	65.2	↓-2.6
3/1 12:10	62.6	↓-2.6
3/1 12:20	60.1	↓-2.5
3/1 12:30	57.7	↓-2.4
3/1 12:40	55.3	↓-2.4
3/1 12:50	53.0	↓-2.3
3/1 13:00	50.9	↓-2.1
3/1 13:10	48.8	↓-2.1
3/1 13:20	46.8	↓-2.0
3/1 13:30	45.0	↓-1.8
3/1 13:40	43.2	↓-1.8
3/1 13:50	41.6	↓-1.6
3/1 14:00	40.2	↓-1.4
3/1 14:10	38.9	↓-1.3
3/1 14:20	37.7	↓-1.2
3/1 14:30	36.7	↓-1.0
3/1 14:40	35.8	↓-0.9
3/1 14:50	35.1	↓-0.7
3/1 15:00	34.6	↓-0.5
3/1 15:10	34.3	↓-0.3
3/1 15:20	34.1	↓-0.2	干潮
3/1 15:30	34.1	0
3/1 15:40	34.2	↑0.1
3/1 15:50	34.5	↑0.3
3/1 16:00	35.0	↑0.5
3/1 16:10	35.6	↑0.6
3/1 16:20	36.3	↑0.7
3/1 16:30	37.2	↑0.9
3/1 16:40	38.2	↑1.0
3/1 16:50	39.3	↑1.1
3/1 17:00	40.6	↑1.3
3/1 17:10	41.9	↑1.3
3/1 17:20	43.3	↑1.4
3/1 17:30	44.7	↑1.4
3/1 17:40	46.2	↑1.5
3/1 17:50	47.8	↑1.6
3/1 18:00	49.4	↑1.6
3/1 18:10	51.0	↑1.6
3/1 18:20	52.6	↑1.6
3/1 18:30	54.3	↑1.7
3/1 18:40	55.9	↑1.6
3/1 18:50	57.5	↑1.6
3/1 19:00	59.1	↑1.6
3/1 19:10	60.6	↑1.5
3/1 19:20	62.1	↑1.5
3/1 19:30	63.6	↑1.5
3/1 19:40	65.0	↑1.4
3/1 19:50	66.4	↑1.4
3/1 20:00	67.7	↑1.3
3/1 20:10	68.9	↑1.2
3/1 20:20	70.0	↑1.1
3/1 20:30	71.1	↑1.1
3/1 20:40	72.1	↑1.0
3/1 20:50	73.0	↑0.9
3/1 21:00	73.8	↑0.8
3/1 21:10	74.5	↑0.7
3/1 21:20	75.1	↑0.6
3/1 21:30	75.7	↑0.6
3/1 21:40	76.1	↑0.4
3/1 21:50	76.5	↑0.4
3/1 22:00	76.8	↑0.3
3/1 22:10	77.0	↑0.2
3/1 22:20	77.2	↑0.2
3/1 22:30	77.3	↑0.1
3/1 22:40	77.3	0	満潮
3/1 22:50	77.3	0
3/1 23:00	77.2	↓-0.1
3/1 23:10	77.1	↓-0.1
3/1 23:20	77.0	↓-0.1
3/1 23:30	76.8	↓-0.2
3/1 23:40	76.7	↓-0.1
3/1 23:50	76.5	↓-0.2