12 (火)	08:46	18:01	-	-
	110cm	36cm	-	-
長潮 出 06:30 入 17:16 出 11:35 入 01:37

日立（茨城）2030年02月12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
2/12 00:00	77.9	↑0.2
2/12 00:10	78.2	↑0.3
2/12 00:20	78.4	↑0.2
2/12 00:30	78.6	↑0.2
2/12 00:40	78.8	↑0.2
2/12 00:50	79.0	↑0.2
2/12 01:00	79.2	↑0.2
2/12 01:10	79.4	↑0.2
2/12 01:20	79.7	↑0.3
2/12 01:30	79.9	↑0.2
2/12 01:40	80.2	↑0.3
2/12 01:50	80.4	↑0.2
2/12 02:00	80.7	↑0.3
2/12 02:10	81.1	↑0.4
2/12 02:20	81.4	↑0.3
2/12 02:30	81.8	↑0.4
2/12 02:40	82.2	↑0.4
2/12 02:50	82.6	↑0.4
2/12 03:00	83.1	↑0.5
2/12 03:10	83.7	↑0.6
2/12 03:20	84.3	↑0.6
2/12 03:30	84.9	↑0.6
2/12 03:40	85.6	↑0.7
2/12 03:50	86.4	↑0.8
2/12 04:00	87.2	↑0.8
2/12 04:10	88.0	↑0.8
2/12 04:20	88.9	↑0.9
2/12 04:30	89.9	↑1.0
2/12 04:40	90.9	↑1.0
2/12 04:50	91.9	↑1.0
2/12 05:00	93.0	↑1.1
2/12 05:10	94.1	↑1.1
2/12 05:20	95.2	↑1.1
2/12 05:30	96.3	↑1.1
2/12 05:40	97.4	↑1.1
2/12 05:50	98.5	↑1.1
2/12 06:00	99.6	↑1.1
2/12 06:10	100.6	↑1.0
2/12 06:20	101.7	↑1.1
2/12 06:30	102.7	↑1.0
2/12 06:40	103.6	↑0.9
2/12 06:50	104.5	↑0.9
2/12 07:00	105.4	↑0.9
2/12 07:10	106.2	↑0.8
2/12 07:20	106.9	↑0.7
2/12 07:30	107.5	↑0.6
2/12 07:40	108.1	↑0.6
2/12 07:50	108.6	↑0.5
2/12 08:00	109.1	↑0.5
2/12 08:10	109.4	↑0.3
2/12 08:20	109.7	↑0.3
2/12 08:30	109.9	↑0.2
2/12 08:40	110.0	↑0.1	満潮
2/12 08:50	110.0	0
2/12 09:00	109.9	↓-0.1
2/12 09:10	109.7	↓-0.2
2/12 09:20	109.4	↓-0.3
2/12 09:30	108.9	↓-0.5
2/12 09:40	108.4	↓-0.5
2/12 09:50	107.8	↓-0.6
2/12 10:00	107.1	↓-0.7
2/12 10:10	106.2	↓-0.9
2/12 10:20	105.3	↓-0.9
2/12 10:30	104.2	↓-1.1
2/12 10:40	103.1	↓-1.1
2/12 10:50	101.8	↓-1.3
2/12 11:00	100.5	↓-1.3
2/12 11:10	99.0	↓-1.5
2/12 11:20	97.5	↓-1.5
2/12 11:30	96.0	↓-1.5
2/12 11:40	94.3	↓-1.7
2/12 11:50	92.6	↓-1.7
2/12 12:00	90.9	↓-1.7
2/12 12:10	89.1	↓-1.8
2/12 12:20	87.2	↓-1.9
2/12 12:30	85.3	↓-1.9
2/12 12:40	83.4	↓-1.9
2/12 12:50	81.5	↓-1.9
2/12 13:00	79.5	↓-2.0
2/12 13:10	77.5	↓-2.0
2/12 13:20	75.5	↓-2.0
2/12 13:30	73.4	↓-2.1	最大潮位差
2/12 13:40	71.4	↓-2.0
2/12 13:50	69.3	↓-2.1	最大潮位差
2/12 14:00	67.2	↓-2.1	最大潮位差
2/12 14:10	65.2	↓-2.0
2/12 14:20	63.1	↓-2.1	最大潮位差
2/12 14:30	61.1	↓-2.0
2/12 14:40	59.1	↓-2.0
2/12 14:50	57.1	↓-2.0
2/12 15:00	55.1	↓-2.0
2/12 15:10	53.2	↓-1.9
2/12 15:20	51.4	↓-1.8
2/12 15:30	49.6	↓-1.8
2/12 15:40	47.9	↓-1.7
2/12 15:50	46.3	↓-1.6
2/12 16:00	44.8	↓-1.5
2/12 16:10	43.4	↓-1.4
2/12 16:20	42.1	↓-1.3
2/12 16:30	40.9	↓-1.2
2/12 16:40	39.9	↓-1.0
2/12 16:50	39.0	↓-0.9
2/12 17:00	38.1	↓-0.9
2/12 17:10	37.5	↓-0.6
2/12 17:20	36.9	↓-0.6
2/12 17:30	36.5	↓-0.4
2/12 17:40	36.2	↓-0.3
2/12 17:50	36.0	↓-0.2
2/12 18:00	35.9	↓-0.1	干潮
2/12 18:10	36.0	↑0.1
2/12 18:20	36.1	↑0.1
2/12 18:30	36.4	↑0.3
2/12 18:40	36.8	↑0.4
2/12 18:50	37.3	↑0.5
2/12 19:00	37.9	↑0.6
2/12 19:10	38.6	↑0.7
2/12 19:20	39.4	↑0.8
2/12 19:30	40.3	↑0.9
2/12 19:40	41.2	↑0.9
2/12 19:50	42.3	↑1.1
2/12 20:00	43.5	↑1.2
2/12 20:10	44.7	↑1.2
2/12 20:20	46.0	↑1.3
2/12 20:30	47.3	↑1.3
2/12 20:40	48.7	↑1.4
2/12 20:50	50.2	↑1.5
2/12 21:00	51.7	↑1.5
2/12 21:10	53.3	↑1.6
2/12 21:20	54.8	↑1.5
2/12 21:30	56.4	↑1.6
2/12 21:40	58.0	↑1.6
2/12 21:50	59.6	↑1.6
2/12 22:00	61.2	↑1.6
2/12 22:10	62.7	↑1.5
2/12 22:20	64.3	↑1.6
2/12 22:30	65.8	↑1.5
2/12 22:40	67.2	↑1.4
2/12 22:50	68.7	↑1.5
2/12 23:00	70.1	↑1.4
2/12 23:10	71.4	↑1.3
2/12 23:20	72.7	↑1.3
2/12 23:30	74.0	↑1.3
2/12 23:40	75.2	↑1.2
2/12 23:50	76.4	↑1.2